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Synthesis of (4aR,9aS,9bR)- and (4aR,9aS,9bS)-4a,6,6,9a-tetramethyl-trans-perhydroindano[2,1-c]pyrans

โœ Scribed by P. F. Vlad; N. D. Ungur


Book ID
112354195
Publisher
Springer US
Year
1983
Tongue
English
Weight
552 KB
Volume
19
Category
Article
ISSN
0009-3122

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โœ Flekhter, Oxana B. ;Medvedeva, Natalya I. ;Suponitsky, Kyrill Yu. ๐Ÿ“‚ Article ๐Ÿ“… 2007 ๐Ÿ› International Union of Crystallography ๐ŸŒ English โš– 250 KB

The title compound, C 34 H 56 O 5 , an oleanane triterpene, is a key intermediate in the synthetic route from betulin to 18(19)oleanene triterpenoids. In the molecule, all bond lengths and angles are normal. The hydroxy groups are involved in intermolecular O-Hร ร รO hydrogen bonds, which link the m