Photolysis of 6-methyl-1,2,3,4,5-pentaphenyl-1,3-cyclohexadiene. Crystal structure of 7-methyl-2,3,5,6-tetraphenyltricyclo[6.4.0.04,8]dodeca-3,5,9,11-tetraene
✍ Scribed by Woolsey, Neil F.; Radonovich, Lewis J.; Saad, Fathi M.; Koch, Franklin J.
- Book ID
- 126000485
- Publisher
- American Chemical Society
- Year
- 1979
- Tongue
- English
- Weight
- 682 KB
- Volume
- 44
- Category
- Article
- ISSN
- 0022-3263
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The crystal structure of the title compound, C 24 H 27 NO 4 , reveals that there are two roughly identical molecules in the asymmetric unit. In both acridine moieties, the central pyridine rings are slightly distorted and adopt a boat conformation, whereas the two outer six-membered rings display ha
formed separately and the Pe stabilized as a bisphosphane complex['0T. The complex with tris(dimethy1amino)phosphane, the 1,1,1,3,3,3-hexakis(dimethylamino)-l?~~,32.~-triphospha-2-enium tetraphenylborate 2, is particularly easy to handle"']. In order to accept Pe from 2, however, the olefin must be