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Meth­yl 4,6-dichloro­chroman-2-carboxyl­ate

✍ Scribed by Huang, Wei ;Zhou, Zhongzhen ;Zhao, Peiliang ;Chen, Qiong ;Teng, Deyou ;Yang, Guangfu

Publisher
International Union of Crystallography
Year
2005
Tongue
English
Weight
260 KB
Volume
61
Category
Article
ISSN
1600-5368

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✦ Synopsis

In the title compound, C 11 H 10 Cl 2 O 3 , the six-membered heterocyclic ring adopts a half-chair conformation. An intermolecular C-HÁ Á ÁO hydrogen bond andstacking are observed in the crystal structure.

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The molecule of the title compound, C 9 H 9 Cl 2 NO 2 , is a zwitterion with cationic iminium and an anionic phenolate group, which form an intramolecular N-HÁ Á ÁO hydrogen bond closing a six-membered pseudocycle. Intermolecular O-HÁ Á ÁO hydrogen bonds link the molecules into infinite chains runni