Tetrahedron Letters p. 4129 - 4132 (1993)
Update date:2022-08-04
Topics:
Moriarty, Robert M.
Kim, Joonggon
Guo, Liang
The key intermediate 2b for 3,5-cyclovitamin D ring A synthon 13 was prepared in 80percent yield as a diastereomeric mixture (70:30) via intramolecular cyclopropanation from iodonium ylide 10b.
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