✦ LIBER ✦

9-(2,6-Dihydroxyphenyl)-3,3,6,6-tetramethyl-N-(4-methylphenyl)-1,8-dioxo-1,2,3,4,5,6,7,8,9,10-decahydroacridine

✍ Scribed by Jang, Hong ;Li, Tuanjie ;Tu, Shujiang ;Zou, Xiang

Publisher: International Union of Crystallography
Year: 2005
Tongue: English
Weight: 97 KB
Volume: 61
Category: Article
ISSN: 1600-5368
DOI: 10.1107/s1600536805019720

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✦ Synopsis

The title compound, C 30 H 33 NO 4 , was synthesized by the reaction of 2,6-dihydroxybenzaldehyde with p-toluidine and 5,5-dimethylcyclohexane-1,3-dione in glycol under microwave irradition. X-ray analysis reveals that the dihydropyridine ring is in a distorted boat conformation and that the cyclohexenone rings adopt enevelope conformations. In the crystal structure, molecules are linked by O-HÁ Á ÁO hydrogen bonds around a centre of symmetry to form a dimer.

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The title compound, C 23 H 26 BrNO 2 , was synthesized by the reaction of 4-bromobenzaldehyde with dimedone and ammonium acetate under microwave irradiation. In the molecule, the dihydropyridine ring adopts a slight boat conformation.

9-(2,6-Dihydroxy­phen­yl)-3,3,6,6-tetra­meth­yl-N-(4-methyl­phen­yl)-1,8-dioxo-1,2,3,4,5,6,7,8,9,10-deca­hydro­acridine

✦ Synopsis

9-(2,6-Dihydroxyphenyl)-3,3,6,6-tetramethyl-N-(4-methylphenyl)-1,8-dioxo-1,2,3,4,5,6,7,8,9,10-decahydroacridine