A new approach to the core structure of protoberberine alkaloid was described. Total synthesis of (+/-)-gusanlung D (2) was reported. (c) 2008 Elsevier Ltd. All rights reserved.
A new approach to the core structure of protoberberine alkaloid was described. Total synthesis of (+/-)-gusanlung D (2) was reported. (c) 2008 Elsevier Ltd. All rights reserved.