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(Z)-1,3,4a-Trimethyl-5,5-diphenyl-6-oxa-1,3-diaza-bicyclo-[4.2.0]octane-2,4-dione

(Z)-1,3,4a-Trimethyl-5,5-diphenyl-6-oxa-1,3-diaza-bicyclo-[4.2.0]octane-2,4-dione

Zhi-Cai Lin, Jing-Bo Shi, Wen-Jian Tang, Jun Li

Acta Crystallogr Sect E Struct Rep Online. 2008 Apr 4;64(Pt 5):o796.

PMID: 21202288

Abstract:

The title compound, C(20)H(20)N(2)O(3), is a head-to-tail oxetane, one of the regioisomers obtained by the the Paternó-Büchi reaction of 1,3-dimethyl-thymine with benzophenone. The oxetane ring is folded, the dihedral angle between the C-O-C and C-C-C planes being 14.4 (2)°. The dihedral angle between the two phenyl rings is 64.3 (2)°. The pyrimidine ring adopts a boat conformation. The crystal structure involves weak C-H⋯O hydrogen bonds.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP332855886	(S)-3-Anilino-5-methyl-5-phenylimidazolidine-2,4-dione		332855-88-6	Price

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