作者:Ralph A. Raphael、John H.A. Stibbard、Raymond Tidbury
DOI:10.1016/s0040-4039(00)87354-2
日期:1982.1
The synthesis of the cis-fused γ-lactone 2,7-dioxabicyclo-[4,3,0]non-4-en-8-one (3) by two routes is reported. Its stereoselective conversion to a keyintermediate for pseudomonicacidsynthesis is described.
Formal total synthesis of (.+-.)-pseudomonic acids A and C. The quasi-intramolecular Lewis acid catalyzed Diels-Alder reaction
作者:Barry B. Snider、Gary B. Phillips、Robert Cordova
DOI:10.1021/jo00166a013
日期:1983.9
Selective mono-claisen rearrangement of carbohydrate glycals. A chemical consequence of the vinylogous anomeric effect
作者:Dennis P. Curran、Young-Ger Suh
DOI:10.1016/s0008-6215(00)90885-1
日期:1987.12
second apparently similar Claisen rearrangement required significantly higher temperatures in all cases. Thus, similar hydroxy groups were differentiated without resort to selective protection. A stereoelectronic rationale based on the newly-introduced vinylogous anomeric effect (VAE) is put forth to explain the accelerated Claisen rearrangements of these glycals. Molecular orbital and resonance descriptions