Trifluoromethanesulfonic anhydride–4-(N,N-dimethylamino)pyridine as a reagent combination for effecting Bischler–Napieraiski cyclisation under mild conditions: application to total syntheses of the Amaryllidaceae alkaloids N-methylcrinasiadine, anhydrolycorinone, hippadine and oxoassoanine
Trifluoromethanesulfonic anhydride–4-(N,N-dimethylamino)pyridine as a reagent combination for effecting Bischler–Napieraiski cyclisation under mild conditions: application to total syntheses of the Amaryllidaceae alkaloids N-methylcrinasiadine, anhydrolycorinone, hippadine and oxoassoanine
Trifluoromethanesulfonic anhydride–4-(N,N-dimethylamino)pyridine as a reagent combination for effecting Bischler–Napieraiski cyclisation under mild conditions: application to total syntheses of the Amaryllidaceae alkaloids N-methylcrinasiadine, anhydrolycorinone, hippadine and oxoassoanine
作者:Martin G. Banwell、Brett D. Bissett、Stefan Busato、Cameron J. Cowden、David C. R. Hockless、Jeffrey W. Holman、Roger W. Read、Angela W. Wu
DOI:10.1039/c39950002551
日期:——
A combination of triflic anhydride and 4-(N,N-dimethylamnino)pyridine effects BischlerâNapieraiski cyclisation of β-phenethytearbamates and β-phenethylamides under very mild conditions.