- 1,3-Benzyl Migration in Iminium Ions: Evidence for a Fast Free-Radical Chain Reaction
[作者:BLANK NANCY; STRAUB BERND F; OPATZ TILL,期刊:European Journal of Organic Chemistry, 页码:7355-7365 , 文章类型: Article,,卷期:2011年-36]
- The exocyclic 1,3-benzyl shift observed in iminium salts derived from 1-benzyl-1,2,3,4-tetrahydroisoquinolines is related to the endocyclic Knabe rearrangement. A crossover experiment, isotopic labelling, the study of in...
- Enantioselective Total Syntheses of (-)-Isonitramine, (-)-Sibirine, and (+)-Nitramine by Ring-Closing Metathesis
[作者:PANDEY GANESH; KUMARA PRASANNA C; BURUGU SHIVA KUMAR; PURANIK VEDAVATI G,期刊:European Journal of Organic Chemistry, 页码:7372-7377 , 文章类型: Article,,卷期:2011年-36]
- Concise enantioselective total syntheses of naturally occurring 2-azaspiro[5,5]undecan-7-ol (Nitraria) alkaloids viz. ()-isonitramine, ()-sibirine, and (+)-nitramine are accomplished in 42, 38, and 25?% overall yield, re...
|