STABILIZING THE BOAT CONFORMATION OF CYCLOHEXANE RINGS

被引:8
|
作者
DASGUPTA, S
TANG, YC
MOLDOWAN, JM
CARLSON, RMK
GODDARD, WA
机构
[1] CHEVRON PETR TECHNOL CO,LA HABRA,CA 90631
[2] STANFORD UNIV,DEPT GEOG & ENVIRONM SCI,STANFORD,CA 94305
[3] CHEVRON PETR TECHNOL CO,RICHMOND,CA 94802
关键词
D O I
10.1021/ja00129a017
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
In calculating the energetics for various conformers of the A, B, and C series of hopanoid hydrocarbons present in mature oil reservoirs, we find that the B series prefers the boat conformation (by 1.3-2.5 kcal/mol) for the D cyclohexane ring (see Figures 1 and 2). We analyze the structural elements responsible for stabilizing this boat conformation, identify the key features, and illustrate how one might stabilize boat conformations of other systems.
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页码:6532 / 6534
页数:3
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