1.
Org Biomol Chem
; 1(24): 4364-6, 2003 Dec 21.
Article
in English
| MEDLINE
| ID: mdl-14685306
ABSTRACT
The compact tricyclic substructure of solanoeclepin A containing the cyclobutanone ring was prepared by using as the key step a highly regioselective intramolecular [2 + 2]-photocycloaddition reaction between one of the [small pi]-bonds of an allene and the CC double bond of a butenolide.