1.
Org Lett
; 3(16): 2607-10, 2001 Aug 09.
Artigo
em Inglês
| MEDLINE
| ID: mdl-11483072
RESUMO
[reaction: see text] A series of aromatic enynes containing steric buttressing elements were prepared and evaluated in the NMO-mediated Pauson-Khand cyclization. O-Allyl systems led to the expected angularly fused products, whereas the O-butenyl and O-pentenyl derivatives afforded the unprecedented bridge systems.