作者:R.C. Cambie、R.T. Gallagher
DOI:10.1016/s0040-4020(01)98660-0
日期:1968.1
Treatment of 6α-bromo-7-oxototaryl acetate (II, R = OAc) with NaHCo3/DMSO gives 6α-bromo-7-oxototarol (II, R = OH, 5%), Δ5-dehydro-7-oxototaryl acetate (III, R = OAc, 45%), Δ5- dehydro-7-oxototarol (III, R = OH, 15%), and by fission of the dA/B ring junction, 7-oxo-5,10-secototara- 5,8,10(20),11,13-penataen-13-ol (IV, R = H, 5%). The yield of the secoditerpenoid is improved markedly (80%) when 6α-bromo-7-oxatotarol
的6α溴-7- oxototaryl乙酸处理(II,R = OAc)用NaHCO 3 / DMSO给出6α溴-7- oxototarol(II,R = OH,5%),Δ 5 -脱氢-7- oxototaryl乙(III,R = OAC,45%),Δ 5 -脱氢-7- oxototarol(III,R = OH,15%),和由DA / B环结的裂变,7-氧代-5,10- secototara -5,8,10(20),11,13-penataen-13-ol(IV,R = H,5%)。当6α-溴-7-氧杂戊醇而不是其乙酸盐为底物时,二萜类化合物的收率显着提高(80%)。