The first total synthesis of the rearranged aromatic sesquiterpene (+/-)-laurokamurene B, isolated from the Chinese red alga Laurencia okamurai Yamada, has been accomplished, confirming the structure of the natural product. A combination of Ireland-Claisen rearrangement and ring-closing metathesis was employed as key reactions. (c) 2007 Elsevier Ltd. All rights reserved.
The first total synthesis of the rearranged aromatic sesquiterpene (+/-)-laurokamurene B, isolated from the Chinese red alga Laurencia okamurai Yamada, has been accomplished, confirming the structure of the natural product. A combination of Ireland-Claisen rearrangement and ring-closing metathesis was employed as key reactions. (c) 2007 Elsevier Ltd. All rights reserved.