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Journal articles on the topic 'Phosphite esters'

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Published: 6 September 2023

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1

Koguchi, Shinichi, Aya Mihoya, Yuga Shibuya, Akane Ito, Anna Toyoda, and Makoto Oba. "Aerobic Oxidation of Phosphite Esters to Phosphate Esters by Using an Ionic-Liquid-Supported Organotelluride Reusable Catalyst." Synlett 31, no. 20 (October 16, 2020): 2043–45. http://dx.doi.org/10.1055/s-0040-1706068.

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AbstractWe describe the synthesis of an ionic-liquid (IL)-supported organotelluride catalyst and its application as a recyclable catalyst for the aerobic oxidation of phosphite esters to phosphate esters. This method shows high conversion rates, allows the ready isolation and purification of the resulting products, and exhibits good reusability of the catalyst.

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2

Saady, Mourad, Luc Lebeau, and Charles Mioskowski. "Selective Monodeprotection of Phosphate, Phosphite, Phosphonate, and Phosphoramide Benzyl Esters." Journal of Organic Chemistry 60, no. 9 (May 1995): 2946–47. http://dx.doi.org/10.1021/jo00114a059.

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3

Wang, Hui, and Donald J. Graves. "Calcineurin-catalyzed reaction with phosphite and phosphate esters of tyrosine." Biochemistry 30, no. 12 (March 26, 1991): 3019–24. http://dx.doi.org/10.1021/bi00226a006.

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4

Anary-Abbasinejad, Mohammad, Alireza Hassanabadi, and Hossein Anaraki-Ardakani. "One-pot Synthesis of Stable Phosphite Ylides by three component reaction between Acetylenic Esters, Aldehyde Semicarbazones and Tributyl or Triethyl Phosphite." Journal of Chemical Research 2007, no. 8 (August 2007): 455–57. http://dx.doi.org/10.3184/030823407x236372.

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5

Schwetlick, K., T. König, C. Rüger, J. Pionteck, and W. D. Habicher. "Chain-breaking antioxidant activity of phosphite esters." Polymer Degradation and Stability 15, no. 2 (January 1986): 97–108. http://dx.doi.org/10.1016/0141-3910(86)90065-0.

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6

Zayed, M. F., Y. O. El-khoshnieh, N. Khir El-din, and L. S. Boulos. "THE REACTION OF PHOSPHITE ESTERS AND TRIS(DIMETHYLAMIN0)PHOSPHINE WITH 1,4- NAPHTHOQUINONEMONOBENZENESULFONIMINE." Phosphorus, Sulfur, and Silicon and the Related Elements 54, no. 1-4 (September 1990): 81–86. http://dx.doi.org/10.1080/10426509008042123.

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7

SAADY, M., L. LEBEAU, and C. MIOSKOWSKI. "ChemInform Abstract: Selective Monodeprotection of Phosphate, Phosphite, Phosphonate, and Phosphoramide Benzyl Esters." ChemInform 26, no. 37 (August 17, 2010): no. http://dx.doi.org/10.1002/chin.199537089.

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8

Oba, Makoto, Yasunori Okada, Kozaburo Nishiyama, and Wataru Ando. "Aerobic Photooxidation of Phosphite Esters Using Diorganotelluride Catalysts." Organic Letters 11, no. 9 (May 7, 2009): 1879–81. http://dx.doi.org/10.1021/ol900240s.

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9

Drewe, William C., Martin P. Payne, and Richard V. Williams. "Phosphite esters: a novel class of contact allergen." Contact Dermatitis 76, no. 5 (April 7, 2017): 312–14. http://dx.doi.org/10.1111/cod.12704.

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10

Liu, Chunrong, Chung-Min Park, Difei Wang, and Ming Xian. "Phosphite Esters: Reagents for Exploring S-Nitrosothiol Chemistry." Organic Letters 20, no. 24 (December 6, 2018): 7860–63. http://dx.doi.org/10.1021/acs.orglett.8b03393.

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11

Meyer, Thomas G., Axel Fischer, Peter G. Jones, and Reinhard Schmutzler. "Darstellung und Einkristall-Röntgenstrukturanalyse einiger Fluorphosphite und Phosphitester / Preparation and Single Crystal X-Ray Diffraction Study of Some Fluorophosphites and Phosphite Esters." Zeitschrift für Naturforschung B 48, no. 5 (May 1, 1993): 659–71. http://dx.doi.org/10.1515/znb-1993-0516.

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The synthesis of some monofluorophosphite esters from the appropriate hydroxy compound and PCl2F in the presence of a tertiary amine is described. The reaction of 2,2′-dihydroxy-biphenyl with PCl3 in the presence of triethylamine did not furnish the expected chlorophosphite 9; instead, the bridged bisphosphite ester, 10, was obtained. Reaction of the fluorophosphite ester 8 with 3,5-di-tert-butyl-benzoquinone furnished the spiromonofluorophosphorane 12 in which λ5P is part of a five-membered and a seven-membered ring system. Single crystal X-ray diffraction studies were conducted on compounds 2, 10 and 13. In the case of 2, crystallographic 2/m symmetry and short intermolecular P · · · O distances were observed. Compound 10 shows short intramolecular P · · · O contacts. The catechyl phosphate 13, similarly to other dialkylphosphate esters, was found to be a hydrogen-bonded dimer.

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12

Jackson, W. Roy, Patrick Perlmutter, and E. Elizabeth Tasdelen. "Chelation control by phosphite esters in rhodium catalysed hydroformylation." Journal of the Chemical Society, Chemical Communications, no. 10 (1990): 763. http://dx.doi.org/10.1039/c39900000763.

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13

Oshel, Reed E., Mecheril V. Nandakumar, Sameer Urgaonkar, David G. Hendricker, and John G. Verkade. "Water solubilization of DDGS via derivatization with phosphite esters." Bioresource Technology 99, no. 12 (August 2008): 5193–205. http://dx.doi.org/10.1016/j.biortech.2007.09.036.

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14

SCHROEDER, G., and B. GIERCZYK. "ChemInform Abstract: Synthesis of New Phosphate and Phosphite Esters of C-Lariat Crown Ethers." ChemInform 28, no. 37 (August 3, 2010): no. http://dx.doi.org/10.1002/chin.199737195.

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15

Sokolov, Viatcheslav I., Ludmila A. Bulygina, Oleg Ya Borbulevych, and Oleg V. Shishkin. "Cyclopalladation of phenols in the form of mixed phosphite esters." Journal of Organometallic Chemistry 582, no. 2 (June 1999): 246–51. http://dx.doi.org/10.1016/s0022-328x(99)00058-3.

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16

Schwetlick, K., and T. König. "Antioxidant action of phosphite, sulfite and borate esters—A comparison." Polymer Degradation and Stability 24, no. 4 (January 1989): 279–87. http://dx.doi.org/10.1016/0141-3910(89)90038-4.

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17

Sobhani, Sara, and Zahra Vahidi. "P-arylation of aryl halides by an environmentally compatible method." Canadian Journal of Chemistry 95, no. 12 (December 2017): 1280–84. http://dx.doi.org/10.1139/cjc-2017-0364.

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In this paper, palladium–DABCO complex supported on magnetic nanoparticles was successfully used as a new magnetically recoverable heterogeneous catalyst for the synthesis of arylphosphonates via P-arylation of different types of aryl halides (aryl iodides/bromides/chlorides and benzene boronic acid/sulfonate), with phosphite esters (triethyl/triphenyl/tri-iso-propyl/diethyl/diphenyl/di-iso-propyl phosphite) in neat water without using any additive. The heterogeneous catalyst was easily isolated from the reaction mixture by an external magnet and reused five times without significant degradation in its activity.

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18

Yuan, Tao, Fei Chen, and Guo-ping Lu. "Direct synthesis of alkynylphosphonates from alkynes and phosphite esters catalyzed by Cu/Cu2O nanoparticles supported on Nb2O5." New Journal of Chemistry 42, no. 16 (2018): 13957–62. http://dx.doi.org/10.1039/c8nj03206h.

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A new, recyclable and efficient copper catalyst for cross-couplings of alkynes and phosphite esters has been disclosed, in which the synergistic effects of Nb₂O₅ on the catalyst are found owing to its strong Lewis acid sites.

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19

Busfield, WK, ID Grice, and ID Jenkins. "The Reaction of Organophosphorus Radicals With Vinyl Acetate and Acrylonitrile in the Presence of an Aminoxyl Radical Scavenger." Australian Journal of Chemistry 48, no. 3 (1995): 625. http://dx.doi.org/10.1071/ch9950625.

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The radical-trapping technique employing 1,1,3,3-tetramethyl-1,3-dihydro-2H-isoindol-2-yloxyl (1) as a radical scavenger has been used to study the reaction of diphenylphosphinoyl (2) and dimethoxyphosphinoyl (3) radicals with vinyl acetate and acrylonitrile. The phosphorus- centred radicals were generated by hydrogen abstraction from diphenylphosphine oxide and dimethyl phosphite respectively. Diphenylphosphine oxide was approximately three times as reactive as dimethyl phosphite towards hydrogen abstraction by t- butoxyl radicals and four times as reactive as tetrahydrofuran (towards abstraction of an α-hydrogen). Diphenylphosphinoyl radicals were found to be relatively nucleophilic and, in competition experiments, reacted about an order of magnitude faster with acrylonitrile than with vinyl acetate. Dimethoxyphosphinoyl radicals were rather less nucleophilic and reacted only twice as fast with acrylonitrile as they did with vinyl acetate. In the presence of excess aminoxyl (1), both diphenylphosphinoyl and dimethoxyphosphinoyl radicals were efficiently scavenged to produce stable phosphinic and phosphate esters respectively. The rate of scavenging was close to diffusion-controlled (c. 1.8×109 1. mol-1 s-1).

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20

Bergstrom, Don, Peter, and Robert Lind. "Synthesis of (Dicarbonyl)(η5-cyclopentadienyl)Manganese Complex Stabilized Nucleoside Phosphite Esters." Nucleosides, Nucleotides and Nucleic Acids 8, no. 5 (1989): 1061–63. http://dx.doi.org/10.1080/07328318908054281.

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21

Fu, Xisheng, Lingguo Sun, Xuguang Zhou, Jianchang Li, Bingji Fan, and Tianhui Ren. "Tribochemical behaviors of phosphite esters and their combinations with alkyl amines." Applied Surface Science 357 (December 2015): 1163–70. http://dx.doi.org/10.1016/j.apsusc.2015.09.156.

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22

Bergstrom, Don, and Theresa Schmaltz. "Organoiron-mediated alkylation of phosphite esters: synthesis of (dicarbonyl)(.eta.5-cyclopentadienyl)iron-derived nucleoside phosphonate esters." Journal of Organic Chemistry 57, no. 3 (January 1992): 873–76. http://dx.doi.org/10.1021/jo00029a017.

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23

Holý, Antonín, Ivan Rosenberg, and Hana Dvořáková. "Synthesis of N-(2-(2-phosphonylethoxy)ethyl) derivatives of heterocyclic bases." Collection of Czechoslovak Chemical Communications 55, no. 3 (1990): 809–18. http://dx.doi.org/10.1135/cccc19900809.

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Reaction of bis(2-chloroethyl) ether (II) with triethyl phosphite afforded diethyl 2-chloroethoxyethylphosphonate (III). This compound reacts with sodium salts of heterocyclic bases to give diethyl esters of N-(2-(2-phosphonylethoxy)ethyl) derivatives of purine and pyrimidine bases IV. Compounds IV on reaction with bromotrimethylsilane and subsequent hydrolysis were converted into N-(2-(phosphonylethoxy)ethyl) derivatives IV.

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24

Shearan, Stephen J. I., Enrico Andreoli, and Marco Taddei. "An alternative C–P cross-coupling route for the synthesis of novel V-shaped aryldiphosphonic acids." Beilstein Journal of Organic Chemistry 18 (November 7, 2022): 1518–23. http://dx.doi.org/10.3762/bjoc.18.160.

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The synthesis of phosphonate esters is a topic of interest for various fields, including the preparation of phosphonic acids to be employed as organic linkers for the construction of metal phosphonate materials. We report an alternative method that requires no solvent and involves a different order of addition of reactants to perform the transition-metal-catalyzed C–P cross-coupling reaction, often referred to as the Tavs reaction, employing NiCl2 as a pre-catalyst in the phosphonylation of aryl bromide substrates using triisopropyl phosphite. This new method was employed in the synthesis of three novel aryl diphosphonate esters which were subsequently transformed to phosphonic acids through silylation and hydrolysis.

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25

Arsanious, Mona H. N., Yevette A. Issac, and Leila S. Boulos. "Reactions of phosphite esters and trisdialkylaminophosphines with 5-substituted 1,3,4-thiadiazol derivatives." Heteroatom Chemistry 12, no. 7 (2001): 594–601. http://dx.doi.org/10.1002/hc.1090.

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26

PUDOVIK, M. A., L. K. KIBARDINA, and A. N. PUDOVIK. "ChemInform Abstract: Reaction of Pyrocatechol Phosphite Amides with Carboxylic Acid Silyl Esters." ChemInform 24, no. 6 (August 21, 2010): no. http://dx.doi.org/10.1002/chin.199306238.

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27

Lebelt, Liwia, Iwona E. Głowacka, and Dorota G. Piotrowska. "Synthesis of Four Enantiomers of (1-Amino-3-Hydroxypropane-1,3-Diyl)Diphosphonic Acid as Diphosphonate Analogues of 4-Hydroxyglutamic Acid." Molecules 27, no. 9 (April 22, 2022): 2699. http://dx.doi.org/10.3390/molecules27092699.

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All the enantiomers of (1-amino-3-hydroxypropane-1,3-diyl)diphosphonic acid, newly design phosphonate analogues of 4-hydroxyglutamic acids, were obtained. The synthetic strategy involved Abramov reactions of diethyl (R)- and (S)-1-(N-Boc-amino)-3-oxopropylphosphonates with diethyl phosphite, separation of diastereoisomeric [1-(N-Boc-amino)-3-hydroxypropane-1,3-diyl]diphosphonates as O-protected esters, followed by their hydrolysis to the enantiomeric phosphonic acids. The absolute configuration of the enantiomeric phosphonates was established by comparing the 31P NMR chemical shifts of respective (S)-O-methylmandelic acid esters obtained from respective pairs of syn- and anti-[1-(N-Boc-amino)-3-hydroxypropane-1,3-diyl]diphosphonates according to the Spilling rule.

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28

Huang, Yuanting, and Qian Chen. "Recent Advances in C(sp³)—H Phosphorylation Based on Secondary Phosphine Oxides and Phosphite Esters." Chinese Journal of Organic Chemistry 41, no. 11 (2021): 4138. http://dx.doi.org/10.6023/cjoc202107044.

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29

Maghsoodlou, Malek Taher, Sayyed Mostafa Habibi-Khorassani, Mahmoud Nassiri, Sayyed Reza Adhamdoust, and Jaber Salehzadeh. "Stable phosphorus ylides and heterocyclic phosphonate esters derivatives synthesised from stereoselective reactions between triphenyl phosphite and activated acetylenic esters." Journal of Chemical Research 2008, no. 2 (February 1, 2008): 79–82. http://dx.doi.org/10.3184/030823408784365342.

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30

Liu, Yunlang, Tingting Zhu, Zuoming Xie, Chen Deng, Xiujuan Qi, Rong Hu, Jinglin Wang, and Jianyi Chen. "Human Exposure to Chlorinated Organophosphate Ester Flame Retardants and Plasticizers in an Industrial Area of Shenzhen, China." International Journal of Environmental Research and Public Health 19, no. 5 (March 7, 2022): 3126. http://dx.doi.org/10.3390/ijerph19053126.

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Human exposure to organophosphate esters (OPEs) is more pervasive in industrial areas manufacturing OPE-related products. OPE exposure is of great concern due to its associations with adverse health effects, while studies on OPE exposure in industrial districts are scarce. This study aimed to assess human exposure to OPEs in a typical industrial area producing large amounts of OPE-related products in Shenzhen, China. Tris (2-chloroethyl)-phosphate (TCEP), tris (2-chloroisopropyl) phosphate (TCPP) and other common OPEs were analyzed in urine (n = 30) and plasma (n = 21) samples. Moreover, we measured five OPE metabolites (mOPEs) in plasma samples (n = 21). The results show that TCPP and TCEP are dominant compounds, with moderate to high levels compared with those reported in urine and plasma samples from other regions. In addition, di-n-butyl phosphate (DnBP) and diethyl phosphite (DEP) were frequently detected in plasma samples and could be considered as biomarkers. Risk assessment revealed a moderate to high potential health risk from TCEP exposure. Our results provide basic data for human exposure to OPEs in industrial areas and call for the prevention and mitigation of industrial chlorinated OPE pollution.

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31

Grün, Alajos, István Greiner, and György Keglevich. "The Synthesis of α-Hydroxy- and α-Chlorophosphonic Acid Derivatives Starting from Benzaldehydes and Phosphorous Acid or Dimethyl Phosphite." Current Organic Chemistry 23, no. 8 (July 31, 2019): 968–73. http://dx.doi.org/10.2174/1385272823666190611103102.

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The addition of phosphorous acid on the C=O group of substituted benzaldehydes in the presence of hydrochloric acid in water affords a mixture of the corresponding α - chlorophosphonic acid and α-hydroxyphosphonic acid. The selectivity towards the α-chloro derivatives may be increased to 92% by the excess of HCl applying forcing conditions. α- Hydroxyphosphonic acids may be synthesized better in yields of 83-92% by the hydrolysis of the corresponding dimethyl α-hydroxyphosphonates. α-Chlorophosphonic acids may also be obtained in yields of 66-79% from α -hydroxyphosphonic esters by reaction with thionyl chloride followed by hydrolysis. The α -chlorophosphonic acids and esters are useful intermediates for other phosphonic derivatives.

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32

Hudson, Harry R., Ray W. Matthews, Olyemisi O. Shode, Ramon O. Yusuf, Zsuzsa M. Jászay, György Keglevich, Imre Petneházy, and Lászlá Töke. "The Interaction of Phosphite Esters with α-Iodoketones in the Presence of Silver Ion." Phosphorus, Sulfur, and Silicon and the Related Elements 75, no. 1-4 (February 1993): 15–18. http://dx.doi.org/10.1080/10426509308037353.

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33

Muilwijk, Koen F., Paul C. J. Kamer, and Piet W. N. M. van Leeuwen. "A bulky phosphite-modified rhodium catalyst for the hydroformylation of unsaturated fatty acid esters." Journal of the American Oil Chemists' Society 74, no. 3 (March 1997): 223–28. http://dx.doi.org/10.1007/s11746-997-0127-8.

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34

Arsanious, Mona H. N., Yevette A. Issac, and Leila S. Boulos. "ChemInform Abstract: Reactions of Phosphite Esters and Trisdialkylaminophosphines with 5-Substituted 1,3,4-Thiadiazole Derivatives." ChemInform 33, no. 13 (May 22, 2010): no. http://dx.doi.org/10.1002/chin.200213173.

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35

Krátký, Martin, Šárka Štěpánková, Neto-Honorius Houngbedji, Rudolf Vosátka, Katarína Vorčáková, and Jarmila Vinšová. "2-Hydroxy-N-phenylbenzamides and Their Esters Inhibit Acetylcholinesterase and Butyrylcholinesterase." Biomolecules 9, no. 11 (November 5, 2019): 698. http://dx.doi.org/10.3390/biom9110698.

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The development of novel inhibitors of acetylcholinesterase (AChE) and butyrylcholinesterase (BuChE) represents a viable approach to alleviate Alzheimer’s disease. Thirty-six halogenated 2-hydroxy-N-phenylbenzamides (salicylanilides) with various substitution patterns and their esters with phosphorus-based acids were synthesized in yields of 72% to 92% and characterized. They were evaluated for in vitro inhibition of AChE from electric eel and BuChE from equine serum using modified Ellman’s spectrophotometric method. The benzamides exhibited a moderate inhibition of AChE with IC50 values in a narrow concentration range from 33.1 to 85.8 µM. IC50 values for BuChE were higher (53.5–228.4 µM). The majority of derivatives inhibit AChE more efficiently than BuChE and are comparable or superior to rivastigmine—an established cholinesterases inhibitor used in the treatment of Alzheimer’s disease. Phosphorus-based esters especially improved the activity against BuChE with 5-chloro-2-{[4-(trifluoromethyl)phenyl]carbamoyl}phenyl diethyl phosphite 5c superiority (IC50 = 2.4 µM). This derivative was also the most selective inhibitor of BuChE. It caused a mixed inhibition of both cholinesterases and acted as a pseudo-irreversible inhibitor. Several structure-activity relationships were identified, e.g., favouring esters and benzamides obtained from 5-halogenosalicylic acids and polyhalogenated anilines. Both 2-hydroxy-N-phenylbenzamides and esters share convenient physicochemical properties for blood-brain-barrier penetration and thus central nervous system delivery.

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36

Pike, Robert D., Bryn A. Reinecke, Megan E. Dellinger, Austin B. Wiles, Jonathan D. Harper, Jenine R. Cole, Kimberly A. Dendramis, Brian D. Borne, Jeffrey L. Harris, and William T. Pennington. "Bicyclic Phosphite Esters from Pentaerythritol and Dipentaerythritol: New Bridging Ligands in Organometallic and Inorganic Chemistry." Organometallics 23, no. 9 (April 2004): 1986–90. http://dx.doi.org/10.1021/om049957r.

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37

Ghanbari, Mohammad M. "Three-component reaction between 5,5-diarylthiohydantoins and acetylenic esters in the presence of trialkyl phosphite." Monatshefte für Chemie - Chemical Monthly 142, no. 7 (May 19, 2011): 749–52. http://dx.doi.org/10.1007/s00706-011-0512-8.

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38

Sokolov, V. I., and L. A. Bulygina. "New class of pincer ligands: phosphite esters of 1,3-di(hydroxy)arenes in cyclopalladation reaction." Russian Chemical Bulletin 53, no. 10 (October 2004): 2355–56. http://dx.doi.org/10.1007/s11172-005-0134-6.

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39

Zamorano-Octaviano, Jenny, Arely Hernández-Martínez, Armando Ortega-Guevara, Irma Linzaga-Elizalde, and Herbert Höpfl. "Linear and cyclic aminomethanephosphonic acid esters derived from benzaldehyde derivatives, 3-aminopropanol, and diethyl phosphite." Heteroatom Chemistry 17, no. 2 (2006): 75–80. http://dx.doi.org/10.1002/hc.20178.

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40

Li, Yan, Jian Zhao, Qing Yu, and Zhong Wei Wang. "Synthesis Study of the Antioxidant of Tetrakis(2,4-di-tert-butyl phenyl)-4,4’-Biphenylenediphosphonite Esters." Advanced Materials Research 581-582 (October 2012): 206–9. http://dx.doi.org/10.4028/www.scientific.net/amr.581-582.206.

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The antioxidant of tetrakis(2,4-di-tert-butylphenyl)-4,4’-biphenylenediphosphonate (TBBPP) was synthesized using biphenyl, PCl3, AlCl3, and 2,4-di-tert-butylphenol as raw materials. Phosphite esters were selected as the novel decomplex agent to isolate the intermediate of 4,4’-biphenylbisphosphorus dichloride complex from the complex it formed with AlCl3 during the reaction. The separate factors such as the mole ratio of the decomplex agent used, the decomplex temperature, and effect of decomplex agent were studied. The specifications of melting point, thermal stability and transmittance of the target compound synthesized were compared with the commercial product, and the results showed that the TBBPP synthesized in the study showed fairly better quality than the commercial one.

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41

Jászay, Zsuzsa M., Imre Petneházy, and László Tőoke. "Preparation of Esters and Amides from Carboxylic Acids by Activation with Dialkyl Phosphite-Carbon Tetrachloride Mixture." Synthetic Communications 28, no. 15 (August 1998): 2761–68. http://dx.doi.org/10.1080/00397919808004849.

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42

Nada, A. A., N. Khir El-din, S. T. Gaballah, and M. F. Zayed. "THE BEHAVIOR OF TERTIARY PHOSPHITE ESTERS TOWARDS 1,2-DIHYDRO-3,6-PYRIDAZINEDIONES AND 2,3-DIHYDRO-1,4-PHTHALAZINEDIONES." Phosphorus, Sulfur, and Silicon and the Related Elements 119, no. 1 (December 1996): 27–35. http://dx.doi.org/10.1080/10426509608043462.

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43

MEYER, T. G., A. FISCHER, P. G. JONES, and R. SCHMUTZLER. "ChemInform Abstract: Preparation and Single Crystal X-Ray Diffraction Study of Some Fluorophosphites and Phosphite Esters." ChemInform 24, no. 35 (August 31, 2010): no. http://dx.doi.org/10.1002/chin.199335263.

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44

Liu, Xiao-Ning, Wei-Lei Guo, Chuan-Jin Hou, and Xiang-Ping Hu. "New and Efficient Synthesis of 1,3-Dienylphosphonates by Palladium-Catalyzed Substitution of Propargylic Esters to Diethyl Phosphite." Synthetic Communications 43, no. 19 (June 26, 2013): 2622–26. http://dx.doi.org/10.1080/00397911.2012.725795.

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45

Shen, Yanchang, and Zenghong Zhang. "Sequential Transformation of Diethyl Phosphite. A Convenient Synthesis of Substituted (E)-3-Alkoxycarbonyl-β,γ-unsaturated Esters." Journal of Chemical Research, no. 10 (1998): 642–43. http://dx.doi.org/10.1039/a803769h.

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46

Ghanbari, Mohammad M. "ChemInform Abstract: Three-Component Reaction Between 5,5-Diarylthiohydantoins and Acetylenic Esters in the Presence of Trialkyl Phosphite." ChemInform 42, no. 44 (October 6, 2011): no. http://dx.doi.org/10.1002/chin.201144117.

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47

HUDSON, H. R., R. W. MATTHEWS, O. O. SHODE, and R. O. YUSUF. "ChemInform Abstract: The Interaction of Phosphite Esters with α-Iodoketones in the Presence of the Silver Ion." ChemInform 24, no. 34 (September 1, 2010): no. http://dx.doi.org/10.1002/chin.199334209.

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48

Tole, Tegene T., Johannes H. L. Jordaan, and Hermanus C. M. Vosloo. "α-Pyridinyl Alcohols, α,α’-Pyridine Diols, α-Bipyridinyl Alcohols, and α,α’-Bipyridine Diols as Structure Motifs Towards Important Organic Molecules and Transition Metal Complexes." Current Organic Synthesis 17, no. 5 (July 27, 2020): 344–66. http://dx.doi.org/10.2174/1570179417666200212111049.

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Abstract:

Background: The preparation and use of pyridinyl alcohols as ligands showed incredible increment in the past three decades. Important property of pyridinyl alcoholato ligands is their strong basicity, which is mainly due to the lack of resonance stabilization of the corresponding anion. This strongly basic anionic nature gives them high ability to make bridges between metal centers rather than to bind to only one metal center in a terminal fashion. They are needed as ligands due to their ability to interact with transition metals both covalently (with oxygen) and hemilabile coordination (through nitrogen). Objective: The review focuses on the wide application of α-pyridinyl alcohols, α,α’-pyridine diols, α- bipyridinyl alcohols, and α,α’-bipyridine diols as structure motifs in the preparation of important organic molecules which is due to their strongly basic anionic nature. Conclusion: It is clear from the review that in addition to their synthetic utility in the homogeneous and asymmetric catalytic reactions, the preparation of the crown ethers, cyclic and acyclic ethers, coordinated borates (boronic esters), pyridinyl-phosphine ligands, pyridinyl-phosphite ligands, and pyridinyl-phosphinite ligands is the other broad area of application of pyridinyl alcohols. In addition to the aforementioned applications they are used for modeling mode of action of enzymes and some therapeutic agents. Their strongly basic anionic nature gives them high ability to make bridges between metal centers rather than to bind to only one metal center in a terminal fashion in the synthesis of transition metal cluster complexes. Not least numbers of single molecule magnets that can be used as storage of high density information were the result of transition metal complexes of pyridinyl alcoholato ligands.

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Varhadi, Poonam, Mehejabeen Kotwal, and D. Srinivas. "Zirconium phenyl phosphonate phosphite as a highly active, reusable, solid acid catalyst for producing fatty acid polyol esters." Applied Catalysis A: General 462-463 (July 2013): 129–36. http://dx.doi.org/10.1016/j.apcata.2013.04.043.

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JASZAY, Z. M., I. PETNEHAZY, and L. TOKE. "ChemInform Abstract: Preparation of Esters and Amides from Carboxylic Acids by Activation with Dialkyl Phosphite-Carbon Tetrachloride Mixture." ChemInform 29, no. 43 (June 19, 2010): no. http://dx.doi.org/10.1002/chin.199843097.

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