Journal articles on the topic 'Povarov-type'

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1

Clerigué, José, M. Teresa Ramos, and J. Carlos Menéndez. "(2S*,4S*)-4-[(E)-(2,2-Dimethylhydrazono)methyl]-6-methoxy-4-methyl-2-[(E)-styryl]-1,2,3,4-tetrahydroquinoline." Molbank 2021, no. 2 (June 1, 2021): M1220. http://dx.doi.org/10.3390/m1220.

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The Povarov reaction of p-anisidine, cinnamaldehyde and methacrolein dimethylhydrazone afforded a 1,2,3,4-tetrahydroquinoline derivative bearing 2-styryl, 4-methyl and 4-dimethylhydrazono substituents in a fully diastereoselective fashion. This is the first example of the combination of a type I aza-vinylogous Povarov reaction and a type II vinylogous Povarov reaction in the same process.
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2

Vicente-García, Esther, Federica Catti, Rosario Ramón, and Rodolfo Lavilla. "Unsaturated Lactams: New Inputs for Povarov-Type Multicomponent Reactions." Organic Letters 12, no. 4 (February 19, 2010): 860–63. http://dx.doi.org/10.1021/ol902913j.

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3

Sanz-Vidal, Álvaro, Javier Miró, María Sánchez-Roselló, Carlos del Pozo, and Santos Fustero. "Gold-Catalyzed Povarov-Type Reaction of Fluorinated Imino Esters and Furans." Journal of Organic Chemistry 81, no. 15 (July 22, 2016): 6515–24. http://dx.doi.org/10.1021/acs.joc.6b01139.

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4

Chandra, Devesh, Ankit Kumar Dhiman, Rakesh Kumar, and Upendra Sharma. "Microwave-Assisted Metal-Free Rapid Synthesis of C4-Arylated Quinolines via Povarov Type Multicomponent Reaction." European Journal of Organic Chemistry 2019, no. 16 (April 1, 2019): 2753–58. http://dx.doi.org/10.1002/ejoc.201900325.

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5

Galvez, Jaime, Juan-Carlos Castillo, Jairo Quiroga, Michel Rajzmann, Jean Rodriguez, and Yoann Coquerel. "Divergent Chemo-, Regio-, and Diastereoselective Normal Electron-Demand Povarov-Type Reactions with α-Oxo-ketene Dienophiles." Organic Letters 16, no. 16 (July 30, 2014): 4126–29. http://dx.doi.org/10.1021/ol5018245.

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6

Sridharan, Vellaisamy, Carmen Avendaño, and J. Carlos Menéndez. "Convenient, two-step synthesis of 2-styrylquinolines: an application of the CAN-catalyzed vinylogous type-II Povarov reaction." Tetrahedron 65, no. 10 (March 2009): 2087–96. http://dx.doi.org/10.1016/j.tet.2008.12.077.

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7

Galvez, Jaime, Juan-Carlos Castillo, Jairo Quiroga, Michel Rajzmann, Jean Rodriguez, and Yoann Coquerel. "ChemInform Abstract: Divergent Chemo-, Regio-, and Diastereoselective Normal Electron-Demand Povarov-Type Reactions with α-Oxo-ketene Dienophiles." ChemInform 46, no. 7 (January 29, 2015): no. http://dx.doi.org/10.1002/chin.201507231.

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8

Ghoshal, Anirban, Doddapaneni Yugandhar, Jagadeesh Babu Nanubolu, and Ajay Kumar Srivastava. "An Efficient One-Pot Synthesis of Densely Functionalized Fused-Quinolines via Sequential Ugi4CC and Acid-Mediated Povarov-Type Reaction." ACS Combinatorial Science 19, no. 9 (August 8, 2017): 600–608. http://dx.doi.org/10.1021/acscombsci.7b00095.

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9

Wu, Xia, Xiao Geng, Peng Zhao, Jingjing Zhang, Xingxing Gong, Yan-dong Wu, and An-xin Wu. "I2-Promoted Povarov-Type Reaction Using 1,4-Dithane-2,5-diol as an Ethylene Surrogate: Formal [4 + 2] Synthesis of Quinolines." Organic Letters 19, no. 7 (March 16, 2017): 1550–53. http://dx.doi.org/10.1021/acs.orglett.7b00361.

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10

Gao, Qinghe, Shan Liu, Xia Wu, and Anxin Wu. "Povarov-Type Reaction Using Methyl as New Input: Direct Synthesis of Substituted Quinolines by I2-Mediated Formal [3 + 2 + 1] Cycloaddition." Organic Letters 16, no. 17 (August 13, 2014): 4582–85. http://dx.doi.org/10.1021/ol502134u.

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11

Ren, Xuwen, Guangxun Li, Jin Huang, Weidong Wang, Yongpo Zhang, Guomin Xing, Chunyan Gao, Gang Zhao, Jinzhong Zhao, and Zhuo Tang. "Step-Controlled Povarov-Type Reaction with 1,2-Dihydroquinolines as Precursors of Dienophiles: Direct Synthesis of Spirocyclic Bi-tetrahydroquinolines and Functionalized 1,2-Dihydroquinolines." Organic Letters 19, no. 1 (December 9, 2016): 58–61. http://dx.doi.org/10.1021/acs.orglett.6b03330.

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12

Hu, Qi-Qi, Yan-Ting Gao, Jia-Chen Sun, Jing-Jing Gao, Hong-Xiao Mu, Yi-Ming Li, Ya-Nan Zheng, Kai-Rui Yang, and Yan-Ping Zhu. "Iodine-imine Synergistic Promoted Povarov-Type Multicomponent Reaction for the Synthesis of 2,2′-Biquinolines and Their Application to a Copper/Ligand Catalytic System." Organic Letters 23, no. 22 (November 8, 2021): 9000–9005. http://dx.doi.org/10.1021/acs.orglett.1c03546.

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13

Yuan, Yuan, Shuwei Zhang, Zheng Sun, Yichun Su, Qiyuan Ma, Yu Yuan, and Xiaodong Jia. "Tris(4-bromophenyl)aminium Hexachloroantimonate-Initiated Oxidative Povarov-Type Reaction between Glycine Esters and (Cyclopropylidenemethyl)benzenes Using the Counterion as a Chlorine Donor." Organic Letters 22, no. 16 (August 4, 2020): 6294–98. http://dx.doi.org/10.1021/acs.orglett.0c02054.

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14

Geng, Xiao, Xia Wu, Peng Zhao, Jingjing Zhang, Yan-Dong Wu, and An-Xin Wu. "Synergistic I2/Amine Promoted Povarov-Type Reaction for the Synthesis of 2-Acyl-3-aryl(alkyl)quinolines Using Aryl(alkyl)acetaldehydes as Alkene Surrogates." Organic Letters 19, no. 16 (August 3, 2017): 4179–82. http://dx.doi.org/10.1021/acs.orglett.7b01686.

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15

Martínez Bonilla, Carlos A., Carlos E. Puerto Galvis, Leonor Y. Vargas Méndez, and Vladimir V. Kouznetsov. "Ce(SO4)2-catalysed the highly diastereoselective synthesis of tetrahydroquinolines via an imino Diels Alder ABB′ type reaction and their in vivo toxicity and imaging in zebrafish embryos." RSC Advances 6, no. 44 (2016): 37478–86. http://dx.doi.org/10.1039/c6ra04325a.

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The synthesis of tetrahydroquinolines via the Povarov reaction has been developed using Ce(SO2)4 as a catalyst. This efficient protocol allowed the toxicity and phenotypic study of these products using a zebrafish embryo model.
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16

Sanz-Vidal, Alvaro, Javier Miro, Maria Sanchez-Rosello, Carlos del Pozo, and Santos Fustero. "ChemInform Abstract: Gold-Catalyzed Povarov-Type Reaction of Fluorinated Imino Esters and Furans." ChemInform 47, no. 51 (December 2016). http://dx.doi.org/10.1002/chin.201651175.

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17

Kishore, Dakoju Ravi, Kurella Mounika, Gedu Satyanarayana, Komal Goel, and Jakkula Naveen. "Microwave-Assisted Domino Povarov-Type [4+2] Cycloaddition: A Rapid Access to 7-Phenyl-6H-chromeno[4,3-b]quinolines." Synthesis, December 15, 2022. http://dx.doi.org/10.1055/s-0041-1738429.

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AbstractA convenient, facile, and eco-friendly approach to synthesizing 7-phenyl-6H-chromeno[4,3-b]quinolines under microwave irradiation is presented. The current strategy enabled the synthesis of chromenoquinoline frameworks at 80 °C under shorter reaction times via intermolecular Schiff base formation followed by an intramolecular inverse demand hetero-Diels–Alder [4+2]-cycloaddition reaction by using a catalytic amount of copper triflate as the sole catalyst. Consequently, one C–N and two C–C bonds are constructed in a single pot, and a wide spread of 7-phenyl-6H-chromeno[4,3-b]quinolines have been synthesized with good functional group tolerance.
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18

Sridharan, Vellaisamy, Carmen Avendano, and J. Carlos Menendez. "ChemInform Abstract: Convenient, Two-Step Synthesis of 2-Styrylquinolines: An Application of the CAN-Catalyzed Vinylogous Type-II Povarov Reaction." ChemInform 40, no. 27 (July 7, 2009). http://dx.doi.org/10.1002/chin.200927140.

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