Reaction Between Isocyanides and Dialkyl Acetylenedicarboxylates in the Presence of Strong CH‐Acids: One‐Pot Synthesis of Highly Functionalized Annulated 4H‐Pyrans.

Abstract

Synthesis of Highly Functionalized Annulated 4H-Pyrans. -The procedure offers a mild and facile approach to highly functionalized pyranopyrans and pyranochromenes. -(TEIMOURI*, M. B.; BAZHRANG, R.; ESLAMIMANESH, V.; NOURI, A.; Tetrahedron 62 (2006) 13, 3016-3020; Dep. Petrochem., Iran Polym. Petrochem. Inst., Tehran, Iran; Eng.) -Jannicke 30-147