SCHEDULED MAINTENANCE
A relay ring-opening/double ring-closing metathesis strategy for the bicyclic macrolide-butenolide core structures†
Abstract
A concise strategy has been developed for the synthesis of the bicyclic macrolide-butenolide core structures of various natural products with the macrolide ring size ranging from 12- to 16-membered. The bicyclic structure was easily assembled using the relay ring-opening/double ring-closing metathesis strategy. An efficient synthesis of (±)-desmethyl manshurolide has been achieved as an application of this strategy.
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