Ab initio prediction of ring strain enthalpies of cyclic amine-boranes

被引:32
|
作者
Gilbert, TM [1 ]
机构
[1] No Illinois Univ, Dept Chem & Biochem, De Kalb, IL 60115 USA
关键词
boron heterocycles; nitrogen heterocycles; steric and strain effects; computer-assisted methods;
D O I
10.1016/S0040-4039(98)02105-4
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Ring strain enthalpies for a series of cyclic amine-boranes (1-azonia-2-boratacycloalkanes) were calculated from MP4(SDTQ)/6-31G*//MP2/6-31G* energies by the group equivalent method. Small rings exhibit smaller RSEs than do the corresponding cycloalkanes; larger rings exhibit RSEs essentially identical to those of the corresponding cycloalkanes. (C) 1998 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:9147 / 9150
页数:4
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