A stereoselective synthesis of (+)-boronolide is described. The key steps involve a stereoselective reduction of an oc-hydroxy ketone, allylation of an alpha-hydroxy aldehyde and a ring-closing olefin metathesis of a homoallylic alcohol derived acrylate ester utilizing Grubbs' catalyst. (C) 2000 Elsevier Science Ltd. All rights reserved.
A stereoselective synthesis of (+)-boronolide is described. The key steps involve a stereoselective reduction of an oc-hydroxy ketone, allylation of an alpha-hydroxy aldehyde and a ring-closing olefin metathesis of a homoallylic alcohol derived acrylate ester utilizing Grubbs' catalyst. (C) 2000 Elsevier Science Ltd. All rights reserved.
A stereoselective synthesis of (+)-boronolide is described. The key steps involve a stereoselective reduction of an oc-hydroxy ketone, allylation of an alpha-hydroxy aldehyde and a ring-closing olefin metathesis of a homoallylic alcohol derived acrylate ester utilizing Grubbs' catalyst. (C) 2000 Elsevier Science Ltd. All rights reserved.