ATTRACTIVE INTERACTIONS BETWEEN AN ALKYNE GROUP AND 2 CARBONYL OXYGEN-ATOMS - THE CRYSTAL-STRUCTURE AND MOLECULAR-STRUCTURE OF 2,2'-ETHYNYLENEDIBENZOIC ACID AT 150-K

被引：9

作者：

PILKINGTON, M ^{[1
]}

TAYYIP, S ^{[1
]}

WALLIS, JD ^{[1
]}

机构：

[1] UNIV KENT,CHEM LAB,CANTERBURY CT2 7NH,KENT,ENGLAND

来源：

JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2 | 1994年 / 12期

关键词：

D O I：

10.1039/p29940002481

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The X-ray crystal structure of 8 shows two attractive intramolecular interactions between sp carbon atoms and adjacent carbonyl oxygen atoms, leading to a twisting of the triple bond equivalent to an orthogonal combination of cis and trans bends; the two carboxylic acid groups lie to the same side of the triple bond to avoid unfavourable contacts between carbonyl oxygen atoms and incipient carbanionic centres.

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页码：2481 / 2484

页数：4

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