Regioselective synthesis of some novel pyrazoles, isoxazoles, pyrazolo[3,4- d ]pyridazines and isoxazolo[3,4- d ]pyridazines pendant to benzimidazole (original) (raw)

Indolizines, triazolo[4,3-a]pyridines, benzimidazo[1,2-d]oxadiazoles, and pyrazolo[1,5-c]triazoles via nitrogen and sulfur ylides

Kamal Dawood

Heteroatom Chemistry, 2004

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Synthesis and Characterization of Some Compounds containing Pyrazole Moiety

samer tayib

Journal of University of Anbar for Pure Science

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An Efficient Single Step Synthesis of Pyridazine, Pyrazolo[5,1-c]-1,2,4-triazine, 1,2,4-Triazolo[5,1-c]-1,2,4-triazine and 1,2,4-Triazino[4,3-a]benzimidazole Derivatives

Dr. Ahmad Farag

HETEROCYCLES, 2009

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One‐pot synthesis of imidazo[1,2‐b]pyrazole, imidazo[1,2‐b]‐1,2,4‐triazole, imidazo[1,2‐a]pyridine, imidazo[1,2‐a]pyrimidine, imidazo[1,2‐a]benzimidazole, and 1,2,4‐triazolo[4,3‐a]benzimidazole derivatives

Dr. Ahmad Farag

Heteroatom Chemistry, 1997

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Synthesis and some reactions of novel (4Z)-4-{[1-(3-chlorophenyl)-3-(4-methoxyphenyl)-1H-pyrazol-4-yl]methylene}-2-hydrazinyl-1-phenyl-1H-imidazol-5(4H)-ones

Nagy Khalifa

Russian Journal of General Chemistry, 2017

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Synthesis and properties of ethyl 1-aryl-5-methyl-4-[1-(phenylhydrazinylidene)ethyl]-1H-pyrazole-3-carboxylates

Mykhaylo Potopnyk

Russian Journal of Organic Chemistry, 2017

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Synthesis and some reactions of 4-(ethoxycarbonyl)-1,5-diphenyl-1 H -pyrazole-3-carboxylic acid

Hasan Genc

Journal of Heterocyclic Chemistry, 2007

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Syntheses of Pyrazine-, Quinoxaline-, and Imidazole-Fused Pyrroline Nitroxides

Tamas Kalai

Synthesis, 2019

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Synthesis of some novel pyrazolo[3,4-d]pyrimidine derivatives

Said F Hamed

Arkivoc, 2007

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Benzimidazole Annulated New Heterocyclic Compounds: Synthesis of New Polycyclic Pyrazole Derivatives

mohamed raslan

Journal of Heterocyclic Chemistry, 2012

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ChemInform Abstract: A Convenient Synthesis of Pyrazolo[3,4-d]pyrimidine-4,6-dione and Pyrazolo[4,3-d]pyrimidine-5,7-dione Derivatives

Mustapha Soukri

ChemInform, 2001

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Pyrazoles as Building Blocks in Heterocyclic Synthesis: Synthesis of Some New Substituted 1-Triazinylpyrazolo[3,4-d]pyrimidine and 1-Triazinylpyrazolo[3,4-b]pyridine Derivatives

Hassan Abbas

ChemInform, 2005

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Synthesis and biological activity of a new class of enaminonitrile pyrazole

nadia dawoud

Egyptian Journal of Chemistry, 2021

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Synthesis of 1-methyl-, 4-nitro-, 4-amino-and 4-iodo-1,2-dihydro-3 H -pyrazol-3-ones

George Varvounis

Journal of Heterocyclic Chemistry, 2001

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Synthesis of tetrasubstituted pyrazoles containing pyridinyl substituents Full Research Paper Open Access

Ashenafi Damtew Mamuye

2017

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Nitriles in Heterocyclic Synthesis: Novel Syntheses of Functionally Substituted Isoxazoles, Pyrazoles, Pyrazines and their Condensed Derivatives

Ahmed Fadda

Zeitschrift für Naturforschung B, 1986

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Synthesis of novel isoxazolines and isoxazoles of N-substituted pyrazolo[3,4-d]pyrimidin-4(5H)-one derivatives through [3+2] cycloaddition

hichem Ben jannet

Arabian Journal of Chemistry, 2014

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Studies Toward the Reactivity of Hydrazones for the Synthesis of Functionalized Pyrazoles and Nitromethyl Sulfones and the Application of Pyrazoles Thereof

Dinabandhu Sar

2016

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Reactions with hydrazidoyl halides (V)1): synthesis of some amidrazones, hydrazides, pyrazoles and pyrazolo[3,4-d]pyridazine derivatives

Fawzy Attaby

Archives of Pharmacal Research, 1990

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A New Approach for the Synthesis of Some Pyrazolo

sayed tawfeek

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The Synthesis and Reactions of Novel Pyrazole Derivatives by 4-phenylcarbonyl-5-phenyl-2,3-dihydro-2,3-furandione Reacted with Some Hydrazones

emin erdem

Revista de Chimie

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Reaction of N -Monosubstituted Hydrazones with Nitroolefins: A Novel Regioselective Pyrazole Synthesis

Xiaohu Deng

Organic Letters, 2006

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Regioselective Synthesis of Some Pyrazole Scaffolds Attached to Benzothiazole and Benzimidazole Moieties

Sara Mohamed

Journal of Chemistry, 2014

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Reactions of methyl 2-(benzyloxycarbonyl)amino-3-dimethylaminopropenoate and related compounds with hydrazines. Regiospecific synthesis of 1-substituted-4-amino-substituted-1H-pyrazol-5-(2H)-ones

Branko Stanovnik

Journal of Heterocyclic Chemistry, 2006

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ChemInform Abstract: Microwave-Assisted Synthesis of 2,4-Disubstituted Pyrimido[1,2-a]benzimidazoles

sumit deshmukh

ChemInform, 2008

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Pyrazoles and Pyrazolo[4,3-e]pyrrolo[1,2-a]pyrazines, I. Synthesis and Antimicrobial Activity

Abdel-Rahman Farghaly, Hussein El-Kashef

Monatshefte f�r Chemie - Chemical Monthly, 2005

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Synthesis of new pyrazole -3-one derivatives containing azo group

nadia albobaid

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Synthesis of Some Pyrazole Derivatives from 5-Chloro-and 5-Azido-1,3-diphenyl-1H-pyrazole-4-carbaldehydes

Mahjoubah Munayr

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Polyfunctional Pyrazoles. 10*. Synthesis of 5-OXO-4,5,7,9-Tetrahydropyrazolo[3,4-е][1,2,3]-Triazolo[1,5-а][1,3]Diazepine-3-Carboxamides in a Tandem Reaction of Ethyl 4-(Azido-Methyl)Pyrazole-3-Carboxylates with Cyanoacetamides

Mykhaylo Vovk

Chemistry of Heterocyclic Compounds, 2015

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Synthesis and Biological Activities of (4Z)-2-(1H-benzimidazol-2-ylmethyl)-4-arylidene-5-methyl-2,4-dihydro-3H-pyrazol-3-one Compounds

Pranali Mishra

Journal of Pharmaceutical Research International, 2021

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ChemInform Abstract: Synthesis of Pyrazolo(3,4-c)isoquinoline and Pyrazolo(3,4-b)pyridine Derivatives from Azomethines and CH-Acidic Compounds

Dr. Lothar Hennig

ChemInform, 1994

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Synthesis of imidazo [1, 2-a] pyridines by rearrangement of 2-pyridyl-3-arylaminoisoxazol-5-(2H)-ones

karim akbari dilmaghani

Arkivoc, 2005

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Studies on enaminonitriles: A new synthesis of 1,3-substituted pyrazole-4-carbonitrile

Ahmed Ghozlan

Journal of Heterocyclic Chemistry, 2005

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From Quinoxaline, Pyrido[2,3-b]pyrazine and Pyrido[3,4-b]pyrazine to Pyrazino-Fused Carbazoles and Carbolines

Florence Mongin

Molecules, 2018

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