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  • Title: Absolute configuration of chloro-bisabolene sesquiterpene.
    Author: Zhu Y, Yu KB, Jia ZJ.
    Journal: Pharmazie; 2004 Jul; 59(7):513-5. PubMed ID: 15296086.
    Abstract:
    The crystal structure of a cholor-bisabolene sesquiterpene has been determined for the absolute configuration. Its structure was elucidated as (-)-(1R,2R,3R,4R,6S,8S,10S)-chloro-2,10-diacetoxy-1,8-diangeloyloxy-3-hydroxy-11-methoxy-bisabol-7(14)-ene. The chlorine atom at C4 is axial in the cyclohexane ring. The molecule shows a stable chair conformation, and crystallizes in the monoclinic space group P2(1) with one molecule in the asymmetric unit.
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