rel-Methyl (3R,3aR,4aS,5S,7R,8R,8aS,9aS)-5-bromododecahydro-3-isopropyl-8,9a-dimethyl-10-oxo-4a,8-(epoxymethano)-4aH-benz[f]indene-7-carboxylate (1) and rel-methyl (3R,3aS,4aS,5S,7R,8R,8aS,9aS)-5-bromododecahydro-3-isopropyl-8,9a-dimethyl-10-oxo-4a,8-(epoxymethano)-4aH-benz[f]indene-7-carboxylate (2), C21H31BrO4
✍ Scribed by Corey, E. J. ;Engler, T. A. ;Berg, J. M.
- Book ID
- 114502729
- Publisher
- International Union of Crystallography
- Year
- 1985
- Tongue
- English
- Weight
- 436 KB
- Volume
- 41
- Category
- Article
- ISSN
- 0108-2701
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📜 SIMILAR VOLUMES
The absolute configuration of the title tetracyclic bis-oxazine, C 14 H 17 N 3 O 5 S, has been determined. It is an unexpected product from the attempt to synthesize a new class of bisoxazolines. The seven-membered lactam ring exhibits four axial (O and N) and one equatorial (S) substituents. The or
Single-crystal X-ray study T = 183 K Mean '(C±C) = 0.003 A Ê R factor = 0.035 wR factor = 0.082 Data-to-parameter ratio = 12.6 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.