Synthesis of hexacyclic indole alkaloids related to vindolinine by sonochemical cyclization
作者:Georgette Hugel、Dominique Cartier、Jean Lévy
DOI:10.1016/s0040-4039(01)80732-2
日期:1989.1
Upon treatment with sodium in THF under sonication, 19-iodotabersonine underwent cyclization to the vindolinine ring system. The yields and ratio of the diastereomers thus obtained depended on the sonication parameters.