An efficient preparation of 3-azabicyclo [3.3.0]. Oct-5-en-7-ones from propargyl alcohol- cobalt complexes via nicholas reaction with amidic nitrogen nucleophiles followed by pauson-khand cyclization
作者:Nakcheol Jeong、Sung-eun Yoo、Sang Jo Lee、Sang Hee Lee、Young Keun Chung
DOI:10.1016/s0040-4039(00)71257-3
日期:1991.5
3-Azabicyclo [3.3.0]-oct-5-en-7-ones were efficiently prepared from cobalt-propagyl alcohol complexes and various allyl amides via Nicholas reaction in the presence of BF3Et2O followed by Pauson-Khand cyclization promoted with trimethylamine N-oxide or SiO2.
BYSTROEM, S. E.;ASLANIAN, R.;BAECKVALL, J. -E., TETRAHEDRON LETT., 1985, 26, N 14, 1749-1752