Synthesis and Characterisation of 1,1′-{[3,5-Bis(dodecyloxy-carbonyl)-4-(thiophen-3-yl)-1,4-dihydropyridine-2,6-diyl]bis-(methylene)}bis(pyridin-1-ium) Dibromide [PDF]
Molbank, 2021 In the present work, construction of double-charged cationic amphiphilic 1,1′-{[3,5-bis(dodecyl¬oxy-carbonyl)-4-(thiophen-3-yl)-1,4-dihydropyridine-2,6-diyl]bis-(methylene)}bis(pyridin-1-ium) dibromide (7) was performed in four steps.
Martins Rucins +6 more
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Eco-Friendly Methodology to Prepare N-Heterocycles Related to Dihydropyridines: Microwave-Assisted Synthesis of Alkyl 4-Arylsubstituted-6-chloro-5-formyl-2-methyl-1,4-dihydropyridine-3-carboxylate and 4-Arylsubstituted-4,7-dihydrofuro[3,4-b]pyridine-2,5(1H,3H)-dione [PDF]
Molecules, 2011 Here we describe the efficient synthesis of alkyl 4-arylsubstituted-6-chloro-5-formyl-2-methyl-1,4-dihydropyridine-3-carboxylates and 4-arylsubstituted-4,7-dihydro-furo[3,4-b]pyridine-2,5(1H,3H)-diones via microwave-accelerated reaction of alkyl 4 ...
Fernando Albericio +4 more
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Diethyl 4-(4-ethoxyphenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
Acta Crystallographica Section E, 2009 In the title compound, C21H27NO5, the dihydropyridine ring adopts a boat conformation. The ethoxyphenyl ring is oriented approximately perpendicular to the planar part of the dihydropyridine ring, making a dihedral angle of 89.45 (6)°.
Hoong-Kun Fun +4 more
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New Organocatalytic Asymmetric Synthesis of Highly Substituted Chiral 2-Oxospiro-[indole-3,4′- (1′,4′-dihydropyridine)] Derivatives [PDF]
Molecules, 2015 Herein, we report our preliminary results concerning the first promising asymmetric synthesis of highly functionalized 2-oxospiro-[indole-3,4′-(1′,4′-dihydropyridine)] via the reaction of an enamine with isatylidene malononitrile derivatives in the ...
Fernando Auria-Luna +4 more
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Diethyl 4-(biphenyl-4-yl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
Acta Crystallographica Section E, 2014 The title compound, C25H27NO4, has a flattened dihydropyridine ring. The benzene and phenyl rings are synclinal to one another, forming a dihedral angle of 49.82 (8)°; the axis of the biphenyl rings makes an 81.05 (9)° angle to the plane of the ...
Scott A. Steiger +4 more
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مجلة علوم ذي قار, 2023 A series of 2-oxo-6-[4-(1H-tetrazol-1-yl) phenyl-1,2-dihydropyridine-3-carbonitrile 3,4-dimethoxyphenyl)-2-oxo-6-4-(1H-tetrazol-1-yl) phenyl]-1,2-dihydropyridine-3-carbonitrile and 2-oxo-6-[4-(1H-tetrazol-1-yl) phenyl]-4-(thiophen-2-yl)- 1,2 ...
Athraa Hamed Mekky +5 more
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مجلة علوم ذي قار, 2023 The present study includes synthesized of some pyridin-2(1H)- one of 1-(4-hydroxy-3-methoxyphenyl) ethan-1-one. The [ 6-(4-hydroxy-3-methoxyphenyl) - 4 - (4-methoxyphenyl) - 2 - oxo-1,2-dihydropyridine - 3- carbonitrile, 4 - (4-bromophenyl) - 6 -(4 ...
Entedhar Thejeel, Athraa Hameed Mekky
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Molbank, 2022 The 1,4-dihydropyridine is a ubiquitous scaffold employed not only in medicinal chemistry but also in organic synthesis, given its ability to act as a hydrogen transfer reagent, thus emulating NAD(P)H reducing agents.
Carlotta Borgarelli +3 more
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Frontiers in Chemistry, 2021 We report a highly efficient green protocol for developing a novel library of 1,2,4-triazole-tagged 1,4-dihydropyridine analogs through the one-pot process from the four-component fusion of the 1H-1,2,4-triazol-3-amine with different chosen aldehydes ...
Nagaraju Kerru +4 more
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An isoxazole strategy for the synthesis of 4-oxo-1,4-dihydropyridine-3-carboxylates
Beilstein Journal of Organic Chemistry, 2022 A method has been developed for the preparation of 2-alkyl-6-aryl-, 2-aryl-6-aryl and 2,6-diaryl-5-aryl/hetaryl-substituted methyl 4-oxo-1,4-dihydropyridine-3-carboxylates by Mo(CO)6-mediated ring expansion of methyl 2-(isoxazol-5-yl)-3-oxopropanoates ...
Timur O. Zanakhov +3 more
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