Synthesis of Some New Thiazole, Thiophene, and 2,3-Dihydro-1,3,4-thiadiazole and Pyrimidino[1,2-b]indazole Derivatives.

Autor: Rateb, Nora M.
Předmět:
Zdroj: Phosphorus, Sulfur & Silicon & the Related Elements; Oct2005, Vol. 180 Issue 10, p2361-2372, 12p, 4 Diagrams, 3 Charts
Abstrakt: Hydrazonoyl halides 4a – g reacted with methyl carbodithioate 3 thioanilide 10 to give 1,3,4-thiadiazoles { 5a–g and 13a–g ,} respectively. Thioanilide 10 reacted with ω-bromoacetophenones 14a – e to give the acyclic product 15a – e , which was converted to the thiophenes 16a–e and to the thiazoles 17a–e , respectively. Structures of the newly synthesized compounds were elucidated on the basis of elemental analysis, spectral data, and alternative synthesis route whenever possible. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index