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Pyridine Syntheses

Another important reaction of diketene derivatives is the Hant2sch pyridine synthesis (101). This synthesis is the preparation of 1,4-dihydropyridines (14) starting either from two acetoacetic esters, which react with an aldehyde and ammonia or a primary amine or from 3-aminocrotonates and 2-alkyhdene acetoacetic esters, both diketene derivatives. Several such dihydropyridines such as nifedipine [21829-25-4] (102), nimodipine [66085-59-4] and nicardipine [55985-32-5] exhibit interesting pharmaceutical activity as vasodilators (blood vessel dilation) and antihypertensives (see Cardiovascularagents). [Pg.478]

Benzofuro[2,3-c]pyridine, 3,4-dihydro-synthesis, 4, 978 Benzofuro[2,3-b]pyridines synthesis, 4, 977 Benzofuro[3,2-b]pyridines synthesis, 4, 981 Benzofuro[3,2-d]pyrimidines synthesis, 4, 987... [Pg.549]

H-l-Benzopyran-4-ones — see Chromones 4H-l-Benzopyran-4-ones, 2-phenyl — see Flavones Benzopyranopyrazoles synthesis, S, 317, 341 Benzopyrano[4,3-c]pytazol-4-one synthesis, 3, 712 Benzopyrano[4,3-6]pyridine synthesis, 3, 712 Benzopyrano[4,3-ii]pyrimidine synthesis, 3, 712 Benzopyrans nomenclature, 1, 23 pyrylium salt synthesis from, 3, 873 reactions... [Pg.551]

Isoxazoio[4,3-c]pyridine, 3-amino-4,5,6,7-tetrahydro-appiications, 6, 634 Isoxazolo[4,3-c]pyridine, tetrahydro-synthesis, 6, 633-634 Isoxazoio[4,5-h]pyridine synthesis, 6, 626 Isoxazoio[4,5-c]pyridine synthesis... [Pg.692]

Pyrrolo[3,2-c]pyridines — see also 5-Azaindoles hydrogen exchange, 4, 502 reactions, 4, 526 synthesis, 4, 514, 523 UV spectra, 4, 501 Pyrrolo[3,4-c]pyridines synthesis, 4, 517... [Pg.823]

Selenolo[2,3-b]pyridine-2-carboxylic acid, 3-hydroxy-synthesis, 4, 1034 Selenolopyridines, 4, 1034—1036 H NMR, 4, 1035, 1036 Selenolo[2,3-c]pyridines synthesis, 4, 1035 Selenolo[3,2-b]pyridines deuteriodeprotonation, 4, 1035 synthesis, 4, 1034 Selenolo[3,2-c]pyridines synthesis, 4, 1035 Selenolo[2,3-b]pyrroles ionization potentials, 4, 1046 Selenolo[3,2-b]pyrroles ionization potentials, 4, 1046 Selenolo[3,4-c]pyrroles non-classical... [Pg.840]

CHICHIBABIN Pyridine synthesis Pyridine synthesis from aromatic acetaldehydes and ammonia... [Pg.63]


See other pages where Pyridine Syntheses is mentioned: [Pg.463]    [Pg.571]    [Pg.571]    [Pg.590]    [Pg.591]    [Pg.591]    [Pg.636]    [Pg.685]    [Pg.685]    [Pg.685]    [Pg.685]    [Pg.685]    [Pg.692]    [Pg.692]    [Pg.692]    [Pg.692]    [Pg.692]    [Pg.718]    [Pg.718]    [Pg.718]    [Pg.718]    [Pg.718]    [Pg.731]    [Pg.731]    [Pg.731]    [Pg.778]    [Pg.865]    [Pg.865]    [Pg.865]    [Pg.865]    [Pg.865]    [Pg.865]    [Pg.865]    [Pg.865]    [Pg.865]    [Pg.865]    [Pg.877]    [Pg.877]    [Pg.877]    [Pg.877]    [Pg.880]    [Pg.12]    [Pg.157]   
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1.2.3- Triazolo pyridine ring synthesis

1.2.4- Triazolo pyridine, synthesis from

2- Alkyl-6-methyl pyridine synthesis

3-Aryl pyridines, synthesis under

4,5,6,7-Tetrahydrothieno pyridine synthesis

A Short Synthesis of Strychnine from Pyridine

Acetylene pyridine synthesis

Aromatic heterocycle synthesis pyridines

Aryl ether synthesis pyridine

BAEYER Pyridine synthesis

Benzonitrile synthesis, pyridine

Boger pyridine synthesis

Bohlmann-Rahtz pyridine synthesis

Chichibabin (Tschitschibabin) pyridine synthesis

Chichibabin pyridine synthesis

Complex heterocycles synthesis, pyridine

Condensed pyridines, synthesis

Cyano-pyridine synthesis

Dewar pyridines, synthesis

Diels-Alder reactions pyridine synthesis

Electrochemical synthesis of pyridines

Electrochemical synthesis pyridines

Fluorinated 2- pyridines synthesis

Friedlander pyridine ring synthesis

Furo pyridine synthesis

Guareschi-Thorpe pyridine synthesis

HANTSCH Pyridine Synthesis

Hantzsch (dihydro)-pyridine synthesis

Hantzsch -pyridine synthesis

Hantzsch -pyridine synthesis Mechanism

Hantzsch -pyridine synthesis Variations

Hantzsch pyridine synthesis using microwave

Hantzsch synthesis of pyridines

Hantzsch-type pyridine synthesis

Heterocycle synthesis Hantzsch pyridine

Heterocycle transformation, pyridine synthesis

Highly substituted pyridine synthesi

Howto make pyridines the Hantzsch pyridine synthesis

Imidazo pyridine ring synthesis

Imidazo pyridine, synthesis

Imidazo pyridine, synthesis from

Imidazopyridine synthesis pyridine

Intramolecular Boger pyridine synthesis

Ionic liquids highly substituted pyridine synthesi

Isoxazolo pyridine, synthesis from

Katritzky pyridine synthesis

Kondrat’eva pyridine synthesis

Krohnke pyridine synthesis

Krohnke reaction (pyridine synthesis)

Multi-component reaction pyridine synthesis

Nicotinic synthesis from pyridine

Nitriles pyridine synthesis

One-pot synthesis, of pyridines

Organocobalt-catalysed synthesis pyridines

Organocobalt-catalyzed synthesis of pyridines

Penta-substituted pyridine synthesis

Poly vinyl-pyridine), synthesis

Pyrano pyridine synthesis

Pyrazolo pyridine ring synthesis

Pyrazolo pyridine, synthesis

Pyrazolo pyridines, synthesis from

Pyrazolopyridines synthesis, pyridine

Pyridine 2-amino-4-methyl-, ring synthesis

Pyridine Bohlmann synthesis

Pyridine aldehydes, synthesis

Pyridine compounds synthesis

Pyridine containing polymers synthesis

Pyridine continued synthesis

Pyridine derivatives, synthesis

Pyridine organocobalt-catalyzed synthesis

Pyridine ring synthesis from oximes

Pyridine synthesis by electrochemical methods

Pyridine synthesis from 1,5-diketones

Pyridine synthesis transition-metal-catalyzed

Pyridine, 2,6-disubstituted-1,2,5,6-tetrahydro synthesis

Pyridine, 2-chloro-3,5-dinitroglycoside synthesis

Pyridine, 2-ethyl-, catalytic synthesis

Pyridine, 3-bromo synthesis

Pyridine, 3-chloro-, synthesis

Pyridine, 4-benzylacid anhydride synthesis

Pyridine, 4-dimethylaminocatalyst thiol ester synthesis

Pyridine, bis synthesis

Pyridine, dihydroanalysis of aldehydes Hantzsch synthesis

Pyridine, dihydroanalysis of aldehydes synthesis

Pyridine, tetrahydroSchopf reaction synthesis

Pyridine-2,3-dicarboxylates, synthesis from

Pyridine-2-carbaldehydes, 6-substituted synthesis

Pyridine-2-thiones synthesis

Pyridine-3-carbaldehyde synthesis

Pyridines 1,4-dihydro-, ring synthesis

Pyridines 2-alkylthio-, syntheses

Pyridines 2-hydroxypyridines synthesis

Pyridines 2-pyridones synthesis

Pyridines Reactions and Synthesis

Pyridines acid chloride synthesis

Pyridines copper catalyzed synthesis

Pyridines ring synthesis

Pyridines synthesis, palladium®) chloride

Pyridines, 1,2-dihydroDiels-Alder reactions synthesis

Pyridines, 2,3-disubstituted, synthesis

Pyridines, 2,4-diamino-, synthesis from

Pyridines, 2- synthesis via cocycloaddition

Pyridines, 2-alkyl catalytic synthesis

Pyridines, 4-acyloxyreaction with thiols synthesis of carbothioates

Pyridines, alkynyl-, synthesis

Pyridines, chloro-, synthesis from

Pyridines, literature reviews synthesis

Pyridines, olefinic derivatives, synthesis

Pyridines, substituted synthesis

Pyridines, synthesis from triazines

Pyridines, tetrahydrocarbene complexes synthesis

Pyrrolo pyridines synthesis

Reducing Power —the Synthesis and Utilization of Pyridine Nucleotides

Rhodium-catalyzed synthesis pyridines

Syntheses from Pyridines

Synthesis of Highly Substituted Pyridines

Synthesis of Pyridines

Synthesis of pyridine ring

Synthesis of pyridines by electrochemical methods

Thieno pyridine-5-carboxylates synthesis

Thieno pyridines syntheses

Thieno pyridines, properties synthesis

Trifluoromethyl substituted pyridines synthesis

Tschitschibabin pyridine synthesis

Typical Ring Synthesis of a Pyridine Involving Only C-Heteroatom Bond Formation

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