ChemInform Abstract: Unexpected Prins Cyclization: Iron‐Promoted Cyclization/Hydration of Alkynyl‐Dimethyl Acetals.

Abstract

Unexpected Prins Cyclization: Iron-Promoted Cyclization/Hydration of Alkynyl--Dimethyl Acetals. -A novel strategy for the preparation of acyl substituted cycloheptenes is developed using an intramolecular Prins cyclization in the presence of FeCl3 as reagent. -(ZHENG, D.; GONG, W.; MA, Z.; MA, B.; ZHAO, X.; XIE*, Z.; LI, Y.; Tetrahedron Lett. 52 (2011) 2, 314-317, http://dx.