A one-pot method has been developed for the synthesis of 2-R-7-methyl-5-oxo-5H-1,3,4-thia-diazolo[3,2-a]pyrimidine by condensation of beta-alkylthio(alkoxy)propionitrile, thiosemicarbazide, and ethyl acetoacetate in PPA, and also (7-methyl-5-oxo-5H-1,3,4-thidiazolo[3,2-a]pyrimidin-2-yl)-acetamide from cyanoacetamide, thiosemicarbazide, and ethyl acetoacetate.
A one-pot method has been developed for the synthesis of 2-R-7-methyl-5-oxo-5H-1,3,4-thia-diazolo[3,2-a]pyrimidine by condensation of beta-alkylthio(alkoxy)propionitrile, thiosemicarbazide, and ethyl acetoacetate in PPA, and also (7-methyl-5-oxo-5H-1,3,4-thidiazolo[3,2-a]pyrimidin-2-yl)-acetamide from cyanoacetamide, thiosemicarbazide, and ethyl acetoacetate.
作者:S. Sh. Shukurov、A. V. Gulin、D. M. Osimov、I. M. Nasyrov、K. Kh. Khaidarov
DOI:10.1007/bf00768979
日期:1991.10
OSIMOV, D. M.;SHUKUROV, S. SH.;NASYROV, I. M.;ZAXAROV, K. S., DOKL. AN TADZHSSR, 30,(1987) N 7, 437-440
作者:OSIMOV, D. M.、SHUKUROV, S. SH.、NASYROV, I. M.、ZAXAROV, K. S.
DOI:——
日期:——
SHUKUROV, S. SH.;NASYROV, I. M.;OSIMOV, D. M.;ZAXAROV, K. S.;MIRZOBAEV, G+, DOKL. AN TADZHSSR, 30,(1987) N 10, 652-655
作者:SHUKUROV, S. SH.、NASYROV, I. M.、OSIMOV, D. M.、ZAXAROV, K. S.、MIRZOBAEV, G+
DOI:——
日期:——
Polyfunctional nitriles in the synthesis of derivatives of 1,3,4-thiadiazolo-[3,2-a]pyrimidines
作者:M. A. Kukaniev、M. D. Osimov、Z. G. Sangov、S. S. Safarov、M. B. Karimov、T. R. Radjabov
DOI:10.1007/s10593-008-0125-2
日期:2008.7
A one-pot method has been developed for the synthesis of 2-R-7-methyl-5-oxo-5H-1,3,4-thia-diazolo[3,2-a]pyrimidine by condensation of beta-alkylthio(alkoxy)propionitrile, thiosemicarbazide, and ethyl acetoacetate in PPA, and also (7-methyl-5-oxo-5H-1,3,4-thidiazolo[3,2-a]pyrimidin-2-yl)-acetamide from cyanoacetamide, thiosemicarbazide, and ethyl acetoacetate.