p-Menthane-3-carboxaldehyde:: A useful chiral auxiliary for the synthesis of chiral quaternary carbons of high enantiomeric purity

被引:44
|
作者
Spino, C [1 ]
Godbout, C [1 ]
Beaulieu, C [1 ]
Harter, M [1 ]
Mwene-Mbeja, TM [1 ]
Boisvert, L [1 ]
机构
[1] Univ Sherbrooke, Dept Chim, Sherbrooke, PQ J1K 2R1, Canada
关键词
D O I
10.1021/ja046084j
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
(+)- or (-)-p-Menthane-3-carboxaldehyde is made in two easy steps from (+)- or (-)-menthone, respectively. This auxiliary allows for the synthesis of carbonyl compounds bearing a a-chiral quaternary carbon. The flexibility, efficiency, and ease of use of the method are demonstrated in a series of examples, which include the total synthesis of (+)-cuparenone as well as a partial synthesis of (-)-cassiol.
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页码:13312 / 13319
页数:8
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