Tetrahedron Letters p. 2137 - 2140 (1991)
Update date:2022-08-05
Topics:
Jeong, Nakcheol
Yoo, Sung-eun
Lee, Sang Jo
Lee, Sang Hee
Chung, Young Keun
3-Azabicyclo<3.3.0>oct-5-en-7-ones were efficiently prepared from cobalt-propargyl alcohol complexes and various allyl amides via Nicholas reaction in the presence of BF3*Et2O followed by Pauson-Khand cyclization promoted with trimethylamine N-oxide or SiO2.
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