SNOWDEN, R. L., HELV. CHIM. ACTA, 1983, 66, N 4, 1031-1038
作者:SNOWDEN, R. L.
DOI:——
日期:——
Fragmentation of Homoallylic Alkoxides. Preparation of 1-(3?-cyclopentenyl)-2-alkanones from 2-substituted bicyclo[2.2.1]hept-5-en-2-ols
作者:Roger L. Snowden
DOI:10.1002/hlca.19830660405
日期:1983.6.15
The potassium 2-substituted bicyclo[2.2.1]hept-5-en-2-alkoxides derived from alcohols 2–9 at 30° in hexamethylphosphoric triamide (HMPA) afford 1-(3′-cyclopentenyl)-2-alkanones 10–19via heterolytic C(1), C(2)-allylic bond cleavage in the substrate alkoxide followed by intramolecular protonation of the resultant transient allylic anion.