✦ LIBER ✦

5′-Aminohydroxymethylene-1′,2′-dichloro-spiro[7H-pyrano[3,2-c;5,6-c′]dichromene-7,4′-cyclohex-2′-ene]-3′,6,6′,8-tetraone dimethylformamide disolvate, a spiro compound from the reaction of 4-hydroxycoumarin with 2,3-dichloro-5,6-dicyanobenzoquinone

✍ Scribed by Zhang, Sheng-Ling ;Huang, Zhi-Shu ;Gu, Lian-Quan ;Ng, Seik Weng

Publisher: International Union of Crystallography
Year: 2004
Tongue: English
Weight: 269 KB
Volume: 60
Category: Article
ISSN: 1600-5368
DOI: 10.1107/s160053680402416x

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✦ Synopsis

Single-crystal X-ray study T = 295 K Mean '(C±C) = 0.003 A Ê Disorder in solvent or counterion R factor = 0.047 wR factor = 0.137 Data-to-parameter ratio = 14.0 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

5′-Amino­hydroxy­methyl­ene-1′,2′-di­chloro-spiro­[7H-pyrano­[3,2-c;5,6-c′]­dichromene-7,4′-cyclo­hex-2′-ene]-3′,6,6′,8-tetraone di­methyl­form­amide disolvate, a spiro compound from the reaction of 4-hydroxy­coumarin with 2,3-di­chloro-5,6-di­cyano­benzo­quinone

✦ Synopsis

5′-Aminohydroxymethylene-1′,2′-dichloro-spiro[7H-pyrano[3,2-c;5,6-c′]dichromene-7,4′-cyclohex-2′-ene]-3′,6,6′,8-tetraone dimethylformamide disolvate, a spiro compound from the reaction of 4-hydroxycoumarin with 2,3-dichloro-5,6-dicyanobenzoquinone