Synthesis of novel oxygen heterocycles: 1,10-dioxa-cyclopenta[a]fluorene and benzo[b]naphtho[2, 1-d]furans via Dötz intramolecular benzannulation
作者:Subhabrata Sen、Parag Kulkarni、Kailaskumar Borate、Nandini R. Pai
DOI:10.1016/j.tetlet.2009.04.123
日期:2009.7
Novel fused heterocycles 1,10-dioxa-cyclopenta[a]fluorene and benzo[b]naphtho[2, 1-d]furans were synthesized via Dötz intramolecular benzannulation of alkyne tethered aryloxy chromium Fischer carbenes.
新型的稠合杂环1,10-二氧杂环戊[ a ]芴和苯并[ b ]萘[2,1- d ]呋喃是通过炔烃系芳氧基铬菲舍尔苯甲酸酯的Dötz分子内苯环化反应合成的。