Dihydroazines Based on α,β-Unsaturated Ketones Reactions (original) (raw)

Synthesis of Enantiopure 2,3,8,8a- Tetrahydro-7H-oxazolo[3,2-a]pyridine Derivatives†

Santiago García-Granda

Journal of Organic Chemistry, 1996

View PDFchevron_right

Reaction of N-vinylpyrazolium and N-vinylindazolium salts with cyanide ion: formation of 1,2-dihydropyrimidines, 3,4-dihydroquinazolines, and quinolines

Maria Monge

Journal of Organic Chemistry, 1992

View PDFchevron_right

A facile synthesis of pyrazole, isoxazole and pyrimidine ortho-dicarboxylic acid derivatives via β-enaminoketoesters

Carlo Morelli

Tetrahedron, 1997

View PDFchevron_right

ChemInform Abstract: Mannich Reaction in the Synthesis of N,S-Containing Heterocycles. Part 16. Synthesis of Derivatives of Tetrahydropyrido[1,2-a][1,3,5]triazine and 5,6,12,13-Tetrahydro-1H,8H-dipyrido[1,2-a:1′,2′-e][1,3,5,7]tetrazocine

Victor Dotsenko

ChemInform

View PDFchevron_right

HETEROCYCLIC-SYSTEMS WITH BRIDGEHEAD NITROGEN ATOM-REACTIONS OF 4-AMINO-5-MERCAPTO-3-SUBSTITUTED-S-TRIAZOLES WITH HALOKETONES, CARBOXYLIC-ACIDS AND ALPHA-HALO ACIDS

Gaurav Sharma

View PDFchevron_right

Enaminones as Building Blocks in Heterocyclic Syntheses: Reinvestigating the Product Structures of Enaminones with Malononitrile. A Novel Route to 6-Substituted-3-Oxo-2,3-Dihydropyridazine-4-Carboxylic Acids

Abdulaziz Alnajjar

Molecules, 2008

View PDFchevron_right

-Oxo anilides in Heterocyclic Synthesis: Novel Synthesis of Pyridazinones, Pyrazolopyridazines, and Cinnolines

abdelhaleem Hussein

Egyptian Journal of Chemistry

View PDFchevron_right

Reactions with Acetoacetanilide: New approaches for the Synthesis of Polyfunctionally Substituted Pyridine Derivatives

Sherif Fahmy

Liebigs Annalen der Chemie, 1986

View PDFchevron_right

Utility of Cyanoacetamides as Precursors to Pyrazolo[3,4-d]pyrimidin-4-ones, 2-Aryl-6-substituted 1,2,3 Triazolo[4,5-d]pyrimidines and Pyrazolo[1,5-a]pyrimidine-3-carboxamides

Abdelmoneim A. Makhlouf

HETEROCYCLES, 2007

View PDFchevron_right

ChemInform Abstract: Reactions of 1,2,3-Dithiazoles with Halogenated Malononitriles

Panayiotis Koutentis

ChemInform, 2002

View PDFchevron_right

β-Enaminonitriles in heterocylic synthesis: Synthesis of new tetrahydropyridinethione, pyridopyrimidines, pyridotriazines and dihydropyridines

Sayed Zakaria Darwish

J Chem Sci, 2008

View PDFchevron_right

-Oxo anilides in Heterocyclic Synthesis: Novel Synthesis of Polyfunctionally Pyridines, Pyrimidines and Benzothiazole derivatives

Fathi AbuShanab

Egyptian Journal of Chemistry, 2018

View PDFchevron_right

Haloacetylated enol ethers. 13 . Synthesis of N -[1-aryl(alkyl)-3-oxo-4,4,4-trichloro-1-buten-1-yl]- o -phenylenediamines and 2-trichloromethyl-4-aryl-3 H -1,5-benzodiazepines

Marcos Martins

Journal of Heterocyclic Chemistry, 1999

View PDFchevron_right

Heterocyclization of compounds containing diazo and cyano groups. 4. Reactions of 2-diazo-2-cyanoacetic acid amides with P4S10 and the lawesson reagent. Synthesis and recyclization of 5-amino-1,2,3-thiadiazole-4-carbothioamides

Albert Lebedev

Chemistry of Heterocyclic Compounds, 1987

View PDFchevron_right

Heterodiene syntheses—V 1,2- Versus 1,4-cycloaddition reactions of enamines to N-substituted 3-oxindolideneacetophenones

Franca Marinone

Tetrahedron, 1971

View PDFchevron_right

Cycloaddition reactions of carbohydrate derivatives. Part VI. Quinolizidine analogs of castanospermine

Attila Agócs

Tetrahedron, 1995

View PDFchevron_right

Acid catalysed enamine induced transformations of 1,3-dimethyl-5-formyluracil. A unique annulation reaction with enaminones

SUBODH KUMAR

Tetrahedron, 1995

View PDFchevron_right

A short enantioselective access to 2,3,6-trialkylpiperidines and 5,8-dialkylindolizidines

Yung-sing Wong

Tetrahedron, 1998

View PDFchevron_right

Heterocyclization of thiouracil derivative: synthesis of thiazolopyrimidines, tetrazolopyrimidines and triazolopyrimidines of potential biological activity

Aly Said

Journal of the Iranian Chemical Society, 2015

View PDFchevron_right

A new entry to the synthesis of substituted azetidines: [2+2] cycloaddition reaction of four-membered endocyclic enamides to ketenes

Carlos Roque Duarte Correia

Tetrahedron Letters, 2006

View PDFchevron_right

Synthesis of thiazolo[3,2-a]pyridines from enaminoesters by tandem conjugate addition-cyclization

Arturo San Feliciano

Tetrahedron Letters, 1998

View PDFchevron_right

Reactions with Heterocyclic Amidines, XI. Syntheses of New 2-Aminopyrazolo[1,5—a]pyrimidines and 2-Amino[1,5-c]-as-triazines

Hamza Mohamed

Archiv der Pharmazie, 1983

View PDFchevron_right

Some Aspects of Reaction of 6-Aminouracil and 6-Amino-2-thiouracil with α,β-Unsaturated Ketones

Viacheslav E Saraiev, Valentyn Chebanov

View PDFchevron_right

Synthesis of 2-anilinobenzimidates, anthranilamides, and 2,3-dihydroquinazolin-4(1H)-ones from N-heterocyclic carbenes of indazole

Kari Rissanen

Tetrahedron, 2015

View PDFchevron_right

Synthesis of phenyl-substituted derivatives of decahydrophenanthridine-1, 7-dione and hexahydro-8-isoquinolone

Brigita Vigante

Chemistry of Heterocyclic Compounds, 1992

View PDFchevron_right

Selected methods for synthesis and modification of heterocycles

Valentyn Chebanov

View PDFchevron_right

?ene? Adducts of N-substituted triazolinediones. 3. Synthesis of novel types of imidourazoles from N-substituted cis-cyclohex-4-ene-1,2-dicarboximides

Naila Musaeva

Chemistry of Heterocyclic Compounds, 1990

View PDFchevron_right

Reactions with heterocyclic amidines, VII: Synthesis of some new pyrazolo[1,5-c]-1,2,4-triazines, pyrazolo[1,5-a]-1,3,5-triazines and pyrazolo[1,5-a]pyrimidines

Ahmed Ghozlan

Monatshefte f�r Chemie, 1981

View PDFchevron_right

Reactions of amidrazones with 1,4-quinones

Mohsen Gomaa

Arkivoc, 2007

View PDFchevron_right

Activated nitriles in heterocyclic synthesis. IV. Reactions with 1-ethoxycarbonyl-4-cyanoacetylthiosemicarbazide. Synthesis of Functionalized Pyridinone and 1,3,4-Thiadiazole Derivatives

Mahmoud Mahfouz Ramiz

1988

View PDFchevron_right

Synthetic Utility of Enaminonitrile Moiety in Heterocyclic Synthesis: Synthesis of Some New Thienopyrimidines

Hassan Madkour

Phosphorus, Sulfur, and Silicon and the Related Elements, 2009

View PDFchevron_right

Reactions with heterocyclic amidines: Synthesis of several new pyrazolo[1,5-a] pyrimidines and pyrazolo[1,5-a]1,3,5-triazines

Dr. Ahmed Abo-Bakr

View PDFchevron_right

Reactions with 2-aminonicotinic acid, I Some 8-aza analogs of quinazolinones and derived tricyclic compounds

Farid Soliman

Monatshefte f�r Chemie Chemical Monthly, 1983

View PDFchevron_right

Heterocycles from heterocycles. 1,3-Diaryl-4,5-imidazolidinediones from 1,3,5-triarylhexahydro-1,3,5-triazines and oxalyl chloride

Giancarlo Verardo

Tetrahedron, 1993

View PDFchevron_right

5(4H)-Oxazolones. Part XI. Cycloaddition reaction of oxazolones and münchnones to triphenylvinylphosphonium salts as synthetic equivalents of alkynes

Pasqualina Trimarco

Tetrahedron, 1998

View PDFchevron_right