Crystal structure of [(2R, 3R, 4S)-3,4-bis-(acetyloxy)-5-iodo-3,4-dihydro-2H-pyran-2-yl]methyl acetate

被引：3

作者：

Zukerman-Schpector, Julio ^{[1
]}

Caracelli, Ignez ^{[2
]}

Stefani, Helio A. ^{[3
]}

Shamim, Anwar ^{[4
]}

Tiekink, Edward R. T. ^{[5
]}

机构：

[1] Univ Fed Sao Carlos, Dept Quim, BR-13565905 Sao Carlos, SP, Brazil

[2] Univ Fed Sao Carlos, Dept Fis, BR-13565905 Sao Carlos, SP, Brazil

[3] Univ Sao Paulo, Fac Ciencias Farmaceut, Dept Farm, Sao Paulo, SP, Brazil

[4] Univ Sao Paulo, Inst Quim, Sao Paulo, SP, Brazil

[5] Univ Malaya, Dept Chem, Kuala Lumpur 50603, Malaysia

来源：

ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS | 2015年 / 71卷

关键词：

Crystal structure; carbohydrate; conformation; C-H center dot center dot center dot O interactions; crystal structure;

D O I：

10.1107/S205698901402564X

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

In the title compound, C12H15IO7, the 3,4-dihydro-2H-pyran ring is in a distorted half-boat conformation with the atom bearing the acetyloxy group adjacent to the C atom bearing the methylacetate group lying 0.633 (6) angstrom above the plane of the remaining ring atoms (r.m.s. deviation = 0.0907 angstrom). In the crystal, molecules are linked into a supramolecular chain along the a axis through two C-H center dot center dot center dot O interactions to the same acceptor carbonyl O atom; these chains pack with no specific intermolecular interactions between them.

引用

页码：O53 / +

页数：9

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