(2R,3R,5R)-2-[(2R,3aS,6aR)-2,3,3a,-4,5,6a-hexahydrofuro[2,3-b]furan-2-yl]-5-isopropenyl-2,3-dimethylcyclo-hexanone and (4aR,5S,7R)-5-isopropenyl-7,8,8-trimethyl-2,3,4,4a,-5,6,7,8-octahydronaphthalene-4a-carbonitrile

被引：4
|
作者：
Ellis, DD [1 ]
Spek, AL [1 ]
机构：
[1] Univ Utrecht, Bijvoet Ctr Biomol Res, Dept Crystal & Struct Chem, NL-3584 CH Utrecht, Netherlands
来源：
ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS | 2000年 / 56卷
关键词：
D O I：
10.1107/S0108270100008805
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The molecular structures of two chiral cyclohexanones based on R-(-)-carvone, C17H26O3, (I), and C17H23NO, (II), are reported here. The six-membered ring in (I) is in a chair conformation with the two fused five-membered rings of the furofuranyl substituent in a cis configuration. Compound (II) contains a decalin group; one ring has the chair form whilst the other is in a half-boat conformation. Both products have been characterized spectroscopically, however, neither NMR nor IR results could prove the stereochemistry at each chiral centre unambiguously. The crystal analyses were used to examine conformational properties of the compounds.
引用
收藏
页码：1173 / 1175
页数：3
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