255861-19-9Relevant articles and documents
Comparison of approaches to ent-morphine via radical, cationic, and heck-type cyclizations
Frey, Dean A.,Duan, Caiming,Ghiviriga, Ion,Hudlicky, Tomas
, p. 561 - 569 (2000)
3-(2-|6S-12-Bromo-6-methoxyphenoxy)-5S-[tert-buty](dimethyl)silyloxy) cyclohex-1-en-1-yl|-ethyl)oxazol-2(3H)-one 14 was subjected to Heck cyclization conditions to afford dibenzofuran derivative 16. The comparison of stepwise vs cascade approaches to 8 vi