Boberg,F.; von Gentzkow,W., Justus Liebigs Annalen der Chemie, 1973, p. 256 - 262
作者:Boberg,F.、von Gentzkow,W.
DOI:——
日期:——
Worrall, Journal of the American Chemical Society, 1917, vol. 39, p. 700
作者:Worrall
DOI:——
日期:——
One-Pot Three-Component Heteroannulation of β-Oxo Dithioesters, Amines and Hydroxylamine: Regioselective, Facile and Straightforward Entry to 5-Substituted 3-Aminoisoxazoles
amine, which undergoes nucleophilic attack by hydroxylamine followed by intramolecular cyclization with the oxo functionality and subsequent dehydration to give 5-substituted 3-aminoisoxazoles as a single regioisomer in good yields. Furthermore, the mechanism of the reaction has been established experimentally and shown to be in agreement with the hard and soft (Lewis) acid and base (HSAB) theory.