Tetrahedron Letters p. 4233 - 4236 (1996)
Update date:2022-08-03
Topics:
Hale, Karl J.
Cai, Jiaqiang
An asymmeric synthesis of the activated esters 20 and 21 is reported. Both molecules equate with the C(28)-C(47) region of A83586C, and contain functionality appropriate for future unification with the hexapeptide unit. A useful new reaction is described for converting a methyl ester directly into a thioethyl or HOBT ester that operates under very mild conditions.
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Doi:10.1016/S0040-4020(01)82733-2
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