(2S,3S)-3-(3-Bromophenyl)-6,6-dimethyl-2-nitro-2,3,6,7-tetrahydrobenzofuran-4(5H)-one

被引：0

作者：

Wang, Yifeng ^{[1
]}

Yao, Minjie ^{[1
]}

Dong, Kun ^{[1
]}

Xu, Danqian ^{[1
]}

机构：

[1] Zhejiang Univ Technol, Catalyt Hydrogenat Res Ctr, Hangzhou 310014, Zhejiang, Peoples R China

来源：

ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS | 2013年 / 69卷

关键词：

data-to-parameter ratio = 15.0; meanω(C - C) = 0.007 A °; Rfactor = 0.051; single-crystal X-ray study; T = 296 K; wRfactor = 0.108;

D O I：

10.1107/S160053681301920X

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The title compound, C16H16BrNO4, has two adjacent chiral C atoms and both have an S configuration. The fused cyclohex-2enone and dihydrofuran rings both adopt envelope conformations, with the quaternary C atom and the nitro-substituted C atoms as the respective flap. The flap atoms lie 0.607 (3) and -0.253 (2) angstrom, respectively, from the mean plane of the remaining ring atoms on opposite sides. The dihedral angle between the mean plane of the four coplanar atoms of the dihydrofuran ring and the phenyl ring is 86.16 (3)degrees. In the crystal, molecules are linked by weak C-H center dot center dot center dot O interactions, forming a ladder motif parallel to the b axis.

引用

页码：O1270 / +

页数：8

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