| Literature DB >> 17685530 |
Jun Ma1, Wenyuan Yin, Hao Zhou, James M Cook.
Abstract
An enantiospecific method for the synthesis of 4-methoxytryptophan has been developed via a regiospecific Larock heteroannulation and employed for the first total syntheses of 9-methoxygeissoschizol and 9-methoxy-Nb-methylgeissoschizol, as well as the total synthesis of the opioid agonistic alkaloid mitragynine. The asymmetric Pictet-Spengler reaction and a Ni(COD)2-mediated cyclization served as key steps.Entities:
Mesh:
Substances:
Year: 2007 PMID: 17685530 PMCID: PMC2526544 DOI: 10.1021/ol071220l
Source DB: PubMed Journal: Org Lett ISSN: 1523-7052 Impact factor: 6.005