Synthesis of 1,2,4-triazoles employing isocyanides
摘要:
A conceptually new, two-step synthesis of medicinally important 1,2,4-triazoles from isocyanides and thiosemicarbazones was developed. The method is based on the recently discovered TMSCI-promoted reaction of isocyanides that yields rare N-1,N-3-disubstututed formamidrazones. (C) 2013 Elsevier Ltd. All rights reserved.
Synthesis of N1,N3-disubstituted formamidrazones via the TMSCl-promoted reaction of isocyanides with thiosemicarbazones
摘要:
A hitherto undescribed TMSCl-promoted reaction of thiosemicarbazones was found to give rare N-1,N-3-disubstituted formamidrazones in fair to excellent yields. The scope of this new reaction was investigated and a plausible mechanism proposed. (C) 2012 Elsevier Ltd. All rights reserved.