First total synthesis of the 4a-methyltetrahydrofluorene diterpenoids (±)-dichroanal B and (±)-dichroanone

被引:76
作者
Banerjee, M [1 ]
Mukhopadhyay, R [1 ]
Achari, B [1 ]
Banerjee, AK [1 ]
机构
[1] Indian Inst Chem Biol, Kolkata 700032, W Bengal, India
关键词
D O I
10.1021/ol035506b
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
[GRAPHICS] A simple synthesis of the 4a-methyltetrahydrofluorene diterpenoids (+/-)-dichroanal B and (+/-)-dichroanone has been achieved through a common hexahydrofluorenone intermediate obtained via Pd(0)-catalyzed reductive cyclization of a substituted 2-(2-bromobenzyl) methylene cyclohexane.
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页码:3931 / 3933
页数:3
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