Copper(II) efficiently catalyzes the aerobic oxidation of aryl thioacetamides into the corresponding α-keto aryl thioamides in moderate to high yields in the presence of K2CO3 under O2 atmosphere. This protocol is simple, clean, and generates water as the only byproduct. A mechanism is proposed for the reaction course.
A Novel One-Pot Synthesis of Fully Substituted Thiophen-2(3H)-ones Using N,N-Disubstituted Thioamides
作者:Hassan Zali-Boeini、Fatemeh Pourjafarian
DOI:10.1002/hlca.201100517
日期:2012.7
A new one‐step synthesis of highly substituted thiophen‐2(3H)‐one derivatives was developed. 2‐Aryl‐1‐(morpholin‐4‐yl)ethanethiones were reacted with 2‐chloro‐2‐phenylacetyl chloride in DMF in the presence of a base to give the title compounds in moderate‐to‐good yields.
Efficient Synthesis of 3-Aminothioacrylamides by Iminoformylation of Thioacetamides
作者:Andreas Rolfs、Jürgen Liebscher
DOI:10.1055/s-1994-25545
日期:——
Heating substituted thioacetamides 1 with either trismorpholinomethane or with a mixture of triethyl orthoformate and a secondary amine gives high yields of synthetically versatile 3-aminothioacryl-amides 4.