Showing papers on "Selenourea published in 1981"

TL;DR: In this paper, the reaction of 2-chlorooxiranes with thioamides and thioureas provides access to thiazoles, 4-hydroxy-4,5-dihydrothiazoles and 2-imino-2,3-dimethylrothiazole under mild conditions and with excellent yields.

TL;DR: In this paper, the amino acid (±)-β-(2-amino-1,3-selenazol-4-yl)alanine 4a was prepared from selenourea and 1,3dichloropropan-2-one via a four-step synthetic sequence.