Sheets built from C-H ••• O and C-H ••• π(arene) hydrogen bonds in (2RS,6SR)-N-diphenylacetyl-2,6-diphenylpiperidin-4-one and (2RS,3SR,5RS,6SR)-3,5-dimethyl-N-phenylacetyl-2,6-diphenyl-piperidin-4-one

被引：3

作者：

Thanikasalam, Kanagasabapathy

Jeyaraman, Ramasubbu

Panchanatheswaran, Krishnaswamy

Low, John N.

Glidewell, Christopher ^{[1
]}

机构：

[1] Univ St Andrews, Sch Chem, St Andrews KY16 9ST, Fife, Scotland

[2] Bharathidasan Univ, Sch Chem, Tiruchirappalli 620024, India

[3] Univ Aberdeen, Dept Chem, Old Aberdeen AB24 3UE, Scotland

来源：

ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY | 2006年 / 62卷

关键词：

D O I：

10.1107/S0108270106013874

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In (2RS, 6SR)-N-diphenylacetyl-2,6-diphenylpiperidin-4-one, C31H27NO2, ( I), the piperidinone ring adopts an almost ideal twist - boat conformation, and the molecules are linked into sheets by a combination of one C - H center dot center dot center dot O hydrogen bond and one C - H center dot center dot center dot pi( arene) hydrogen bond. ( 2RS, 3SR, 5RS, 6SR)3,5-Dimethyl-2,6-diphenyl-N-phenylacetylpiperidin-4-one, C27H27NO2, (II), crystallizes with Z' = 2 in the space group P (1) over bar; the piperidinone rings adopt an almost ideal boat conformation in one of the molecules and a conformation between boat and twist - boat in the other. The molecules of ( II) are linked into sheets by a combination of five C - H center dot center dot center dot O hydrogen bonds and one C - H center dot center dot center dot pi( arene) hydrogen bond.

引用

页码：O324 / O327

页数：4

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