Tetrahedron Letters p. 5521 - 5524 (1987)
Update date:2022-07-29
Topics:
Amri, H.
Villieras, J.
Substitution of 1-ethoxycarbonyl n-hydroxycycloalkenes acetates and silyl ethers (n = 5, 6) by GRIGNARD reagents in the presence of cuprous salt as a catalyst or lithium ester enolates (without catalyst) gives rise to various 1-carbethoxy alkylcycloalkenes.It is applied to a new short stereoselective synthesis of (+/-) Mitsugashiwalactone (6 steps - 27percent global yield) from a succinaldehyde precursor.
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