Synthetic Studies of the HIV-1 Protease Inhibitive Didemnaketals: Stereocontrolled Synthetic Approach to the Key Mother Spiroketals
作者:Yan Xing Jia、Bin Wu、Xin Li、Shi Kuo Ren、Yong Qiang Tu、Albert S. C. Chan、William Kitching
DOI:10.1021/ol007016e
日期:2001.3.1
6R,8S,10S,1'R,1' 'R)-2(acetylhydroxymethyl)-4,10-dimethyl-8(isopropenylhydroxymethyl)-1,7-dioxaspiro[5,5]undecane (4a) and its C1' '-epimer (4b), the key mother spiroketals of the HIV-1 protease inhibitive didemnaketals from the ascidian Didemnum sp., has been carried out through multisteps from the natural (R)-(+)-pulegone, which involved the diastereoselective construction of four chiral carbon centers(C-2
(2S,4R,6R,8S,10S,1'R,1''R)-2(乙酰羟甲基)-4,10-二甲基-8(异丙烯基羟甲基)-1,7-二氧杂螺环的立体控制合成[5,5 ]十一烷(4a)及其C1'-顶基(4b)是来自海鞘Didemnum sp。的HIV-1蛋白酶抑制性二苯甲酮的关键母亲螺环,已通过天然(R)-(+ )-pulegone,涉及通过分子内手性诱导诱导四个手性碳中心(C-2,C-6,C-8和C-1')的非对映选择性。