Annulations leading to diene systems. Total syntheses of the dolastane-type diterpenoids (±)-(5<i>S</i>,12<i>R</i>,14<i>S</i>)-dolasta-1(15),7,9-trien-14-ol and (±)-amijitrienol
作者:Edward Piers、Richard W. Friesen
DOI:10.1139/v92-157
日期:1992.4.1
Alkylation of the substituted cycloalkanones 14a–d and 30 with (Z)-1-bromo-4-methyl-3-trimethylstannyl-2-pentene (13) produced compounds 15a–d and 33, which were readily converted into the correspo...