1.
Chem Commun (Camb)
; (21): 2260-1, 2006 Jun 04.
Article
in English
| MEDLINE
| ID: mdl-16718322
ABSTRACT
A platinum-catalyzed domino process with intermediate benzopyrylium cations reaches its optimum utility in the formation of 7- and 8-membered rings. With iron(III) chloride, a tetracyclic product is isolated, derived from an oxidative transformation of a metal-carbene intermediate.