1.
Org Lett
; 3(16): 2533-5, 2001 Aug 09.
Artigo
em Inglês
| MEDLINE
| ID: mdl-11483053
RESUMO
[reaction: see text] A formal total synthesis of racemic spatol is presented. The key steps involved a 4 + 3 cycloaddition of a halogenated cyclopentenyl cation to cyclopentadiene and a quasi-Favorskii rearrangement.
Assuntos
Antineoplásicos/síntese química , Diterpenos/síntese química , Phaeophyceae/química , Compostos de Alumínio , Ciclização , Indicadores e Reagentes , Compostos de Lítio , Espectroscopia de Ressonância Magnética , Conformação Molecular , Oxirredução
2.
Org Lett
; 2(18): 2913-5, 2000 Sep 07.
Artigo
em Inglês
| MEDLINE
| ID: mdl-10964397
RESUMO
[reaction: see text] The judicious placement of stereocenters on precursors for 4 + 3 cycloaddition reactions can lead to high levels of stereocontrol in the 4 + 3 cycloaddition process of cyclopentenyl cations and tethered butadienes. This concept was successfully tested in the context of a synthesis of (+)-dactylol.
3.
4.