Cyclative cleavage via solid-phase supported stabilized sulfur ylides: synthesis of macrocyclic lactones
摘要:
A new synthesis of macrolactones bearing a cyclopropyl ring condensed to the macrocycle is reported via a cyclization-release strategy making use of solid-phase supported stabilized sulfur ylides. (C), 2002 Elsevier Science Ltd. All rights reserved.
Cyclative cleavage via solid-phase supported stabilized sulfur ylides: synthesis of macrocyclic lactones
摘要:
A new synthesis of macrolactones bearing a cyclopropyl ring condensed to the macrocycle is reported via a cyclization-release strategy making use of solid-phase supported stabilized sulfur ylides. (C), 2002 Elsevier Science Ltd. All rights reserved.
an enantioselective lipase-catalyzed acylation of a secondary alcohol, (ii) an efficientdiastereoselective addition of an alkyl-lithium reagent to a glyceraldehyde derivative, (iii) conversion of an epoxide to a one-carbon homologated allylicalcohol via a sulphorane addition, and (iv) a cross metathesis between two chiralallylicalcohols and subsequent functionalization to obtain the ethyl ester of