Crystal structures of (±)-1,4-di-O-benzoyl-2,3-O-isopropylidene-myo-inositol and (±)-1,4-di-O-benzoyl-5,6-O-isopropylidene-myo-inositol: a conformational analysis
✍ Scribed by Sung-Kee Chung; Young-Tae Chang; Dongmok Whang; Kimoon Kim
- Book ID
- 108309657
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 377 KB
- Volume
- 295
- Category
- Article
- ISSN
- 0008-6215
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f )-1,2:4,5-Di-0-isopropylidene-myo-inositol (11, C,2H,0,, crystallises in the mopoclinic space group, C2/c with unit-cell dimensions a = 22.587(3), b = 5.4204(3), and c = 22.174(4) A. (\*)\_1,2:5,6di-0-isopropylidene-myo-inositol (2), C,,H,O,, cOmtallises in the monoclinic space group, P2, /n with
An efficient method for the resolution of 1,2:4,5-di-O-isopropylidene-myo-inositol has been developed. The diketal was converted to diastereomeric 3,6-di-O-mandelates by the reaction with (S)-O-acetylmandeloyl chloride. Both the diastereomers could be separated by sequential crystallization in multi