REACTIONS OF HYDRAZONOYL HALIDES 37<sup>1</sup>: SYNTHESIS OF TRIAZOLO[4,3-<i>a</i>]PYRIMIDINES, 1,3,4-THIADIAZOLES AND 1,3,4-SELENADIAZOLES
作者:Abdou O. Abdelhamid、Bassem A.M. Abdel-Wahab、Ali A. Al-Atoom
DOI:10.1080/10426500490422272
日期:2004.3.1
1,2,4-Triazolo[4,3-a]pyrimidines, thiadiazolines and selenadiazolines synthesized via reactions of hydrazonoyl halides with each of ethyl 4-(3,4-dimethoxyphenyl)-6-methyl-2-methylthio-3,4-dihydropyrimidine-5-carboxylate (or ethyl 6-(3,4-dimethylphenyl)-4-methyl-2-thio1,3,6-trihydropyrimidine-5-carboxylate), ethyl 4-(2,3-dimethoxyphenyl)- 6-methyl-2-methylthio-3,4-dihydropyrimidine-5-carboxylate, potassium
1,2,4-三唑并[4,3-a]嘧啶、噻二唑啉和硒二唑啉通过腙酰卤与4-(3,4-二甲氧基苯基)-6-甲基-2-甲硫基-3,4乙酯反应合成-dihydropyrimidine-5-carboxylate (或 6-(3,4-二甲基苯基)-4-methyl-2-thio1,3,6-trihydropyrimidine-5-carboxylate), 乙基 4-(2,3-dimethoxyphenyl)-6 -methyl-2-methylthio-3,4-dihydropyrimidine-5-carboxylate、硫氰酸钾、硒氰酸钾和碳二硫代酸钾分别。