Reactions with Hydrazonoyl Halides 63: Synthesis and Anticancer Activity of Some New 1,3,4-Thiadiazoles, 1,3,4-Selenadiazoles, and 1,2,4-Triazolo[4,3-<i>a</i>]pyrimidines
作者:Eman K. A. Abdelall、Mahmoud A. Mohamed、Abdou O. Abdelhamid
DOI:10.1080/10426500903348013
日期:2010.8.25
4-selenadiazoles, and triazolino[4,3-a]pyrimidines containing benzoxazole or benzothiazole moieties were prepared from the reaction of each of ethyl 3-aza-3-(benzoxazol-2-ylamino)-2-chloroprop-2-enoate and ethyl 3-aza-3-(benzothiazolo-2-ylamino)-2-chloroprop-2-enoate with each of potassium thiocyanate, potassium selenocyanate, alkyl carbodithioate, and pyrmidine-2-thione derivatives. All the newly synthesized
Reactions of Hydrazonoyl Halides 56<sup>1</sup>: Synthesis and Reactions of 1-Bromo-2-(5-chloro-benzofuranyl)ethanedione-1-phenylhydrazone
作者:Abdou O. Abdelhamid、Ahmed H El-Ghandour、Ahmed A.M. El-Reedy
DOI:10.1080/10426500701640876
日期:2008.4.18
2,3-Dihydro-1,3,4-thiadiazoles and triazolino[4,3-a]pyrimidines containing benzofuran moiety were prepared from reaction of 1-bromo-2-(5-chlorobenzofuranyl) ethanedione-1-phenylhydrazone with each of potassium thiocyanate, alkyl carbodithioates and pyrmidine-2-thiones. All newly synthesized were confirmed by elemental analysis, spectral data, and alternative route synthesis whenever possible.
Reactions with Hydrazonoyl Halides 42<sup>1</sup>: Synthesis of Some New 2,3-Dihydro-1,3,4thiadiazoles, 2,3-Dihydro-1,3,4-selenadiazoles and Triazolino[, ]pyrimidines
作者:Abdou O. Abdelhamid、Mohamed A. M. Alkhodshi
DOI:10.1080/104265090508091
日期:2005.1.1
Abstract 2,3-Dihydro-1,3,4-thiadiazoles, 2,3-dihydro-1,3,4-selenadiazoles, unsymmetrical azines and triazolino[ [4] , [3] ]pyrimidines were prepared from reaction of (2Z)-3-aza-2-bromo-1-naphto[ [1] , [2] ]furan-2-yl-3-(phenylamino)prop-2-en-1-one (6) with each of potassium thiocyanate, potassium selenocyanate, alkyl carbodithioate, ethyl 6-methyl-2-methylthio-4-substituted 3,4-dihydropyrimidine-5-carboxylate
REACTIONS OF HYDRAZONOYL HALIDES 39<sup>1</sup>: SYNTHESIS OF SOME NEW TRIAZOLES AND 2,3-DIHYDRO-1,3,4-THIADIAZOLES
作者:Abdou O. Abdelhamid、Ali A. Al-Atoom
DOI:10.1080/10426500490475067
日期:2004.11.1
C-acyl-N-phenyllhydrazonoyl halides 1a–ghave been caused to react with 3-(aminomethylthiomethyl)-2H-chromen-2-one in the presence of triethylamine to give triazoles. Also, C-acyl-N-pyrazolylhydrazonoyl chlorides 13a, breact with alkyl carbodithioates (14or 15) a–mafforded 2,3-dihydro-1,3,4-thiadiazoles in good yields. Structures of the new compounds were elucidated on the basis of elemental analyses
Synthesis, antimicrobial studies, and molecular docking of some new dihydro-1,3,4-thiadiazole and pyrazole derivatives derived from dithiocarbazates
作者:Amr Hassan Moustafa、Doaa H. Ahmed、Mohamed T. M. El-Wassimy、Mamdouh F. A. Mohamed
DOI:10.1080/00397911.2020.1843179
日期:2021.2.16
A series of 3-acetyl-2-aryl-5-methylthio-2,3-dihydro-1,3,4-thiadiazoles 3a–g, N- (4-acetyl-5-aryl-4,5-dihydro-1,3,4-thiadiazol-2-yl) acetamide derivatives 5a–e and spiro-compound 7 was prepared fro...