Biotransformation of geraniol, nerol and (+)- and (−)-carvone by suspension cultured cells of Catharanthus roseus
作者:Hiroki Hamada、Hideaki Yasumune、Yoshihiro Fuchikami、Toshifumi Hirata、Isabel Sattler、Howard J. Williams、A. Ian Scott
DOI:10.1016/s0031-9422(96)00566-3
日期:1997.2
Abstract Suspension cultured cells of Catharanthus roseus hydroxylate the allylic positions of geraniol, nerol and (+)- and (−)-carvone and reduce double bonds and ketone groups. After incubation for 7 days, the main products of (−)- and (+)-carvone were 5β-hydroxyneodihydrocarveol and 5α-hydroxycarvone, respectively.
The first total synthesis of marine sesterterpenoid ansellone G (2) was accomplished. This strategy utilizes the Prins cyclization reaction of a chloro-substituted homoallyl alcohol to synthesize the hydrobenzopyran skeleton. The preintroduction of the chloro groups facilitated the functional group transformation for 2 after constructing the carbon framework. Furthermore, we also successfully synthesized