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(3aRS,6RS,6aRS,7RS,9aSR)-7-Benzyl-5,6-dimethyl-3,3a,6,6a,7,8-hexahydrofuro[3,4-h]isoindole-1,9(9aH)dione

✍ Scribed by Jones, P. G. ;Kennard, O.

Book ID
114525227
Publisher
International Union of Crystallography
Year
1978
Weight
380 KB
Volume
34
Category
Article
ISSN
0567-7408

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9-(4-Bromophenyl)-3,3,6,6-tetramethyl-3,
9-(4-Bromophenyl)-3,3,6,6-tetramethyl-3,4,6,7-tetrahydro-2H-xanthene-1,8(5H,9H)-dione
✍ Bigdeli, M. Ali ;Mahdavinia, Gholam Hossein ;Amani, Vahid πŸ“‚ Article πŸ“… 2007 πŸ› International Union of Crystallography 🌐 English βš– 646 KB

The title compound, C 23 H 25 BrO 3 , was synthesized by the reaction of p-bromobenzaldehyde with dimedone and HClO 4 / SiO 2 in EtOH. In the molecule, the dihydropyran ring adopts a boat conformation and the two cyclohexene rings are in a trans conformation.