作者:C.R. Bennett、R.C. Cambie
DOI:10.1016/s0040-4020(01)99076-3
日期:1966.1
have been examined. Reduction of totaryl methyl ether with lithium in ethylenediamine gives a mixture of totarol (I, R = OH), totara-8,11,13-triene (I, R = H), totar=8(14)-ene (IV), and totar-8-ene (V). Totara-8,11,13-triene is also formed by Kenner desoxygenation of totarol. Friedel-Crafts acetylation of totara-8,11,13 triene yields 12-acetyltotaratriene (XIV, R = COCH3) which has been converted by
已经研究了用于还原拓他醇的芳环的方法。在乙二胺中用锂还原对甲苯基甲基醚得到甲苯酚(I,R = OH),甲苯酚8,11,13-三烯(I,R = H),甲苯酚= 8(14)-烯(IV)的混合物,以及totar-8-ene(V)。Totara-8,11,13-三烯也通过Kenter进行的拓他酚的脱氧反应而形成。托塔拉8,11,13三烯的Friedel-Crafts乙酰化反应生成12-乙酰基托他三烯(XIV,R = COCH 3),已通过Baeyer-Villiger氧化和水解反应转变为12-羟基对三ara烯(XIV,R = OH),一种十二烷酸和松醇的部分脱氧类似物。已鉴定出totara-8,11,13-三烯乙酰化的次要产物为2,5-二乙酰基-3-甲基-7-异丙烯炔(XVI)。在Pd上进行甲苯酚的催化加氢,得到饱和烃戊烷(XX)和13-氧代戊烷(XXI)。Short和Stromberg的“四氢塔