The synthesis of the C23-C32 fragment of spirangien A is reported using Evans' alkylation, Evans-Metternich aldol reaction and a substrate controlled stereoselective reduction. (c) 2007 Elsevier Ltd. All rights reserved.
The synthesis of the C23-C32 fragment of spirangien A is reported using Evans' alkylation, Evans-Metternich aldol reaction and a substrate controlled stereoselective reduction. (c) 2007 Elsevier Ltd. All rights reserved.