Efficient and Convenient Synthesis of Angular Furanocoumarines from Hydroxycoumarines.
作者:Takashi HARAYAMA、Yoshitaka NISHITA
DOI:10.1248/cpb.44.1986
日期:——
Angular furanocoumarins (1) were synthesized via sequential reactions of vinylation of halo-hydroxycoumarins (5 or 6) with chlorodimethylvinylsilane (8)and Pd catalyst, oxidation of Tl(NO3)3 in methanol, and treatment with acid.