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Structure of ent-(12R)-methyl-15,16-epoxy-9,10-friedolabda-5(10),13(16),14-trien-19-oate 20,12-lactone (penduliflaworonsin)

โœ Scribed by Sanni, S. B. ;Behm, H. ;Beurskens, P. T. ;Adesogan, E. K.


Book ID
114505049
Publisher
International Union of Crystallography
Year
1987
Tongue
English
Weight
430 KB
Volume
43
Category
Article
ISSN
0108-2701

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ent-(8S,10R)-15,16-Epoxy-19-norcleroda-4
โœ Said, Ikram M. ;Noor, Ainal F. A. ;Syah, Yana M. ;Latif, Jalifah ;Ngah, Nurziana ๐Ÿ“‚ Article ๐Ÿ“… 2005 ๐Ÿ› International Union of Crystallography ๐ŸŒ English โš– 197 KB

The title compound, C 19 H 18 O 5 , is a diastereoisomer of crotocaudin, both being isolated from the plants of genus Croton. In isocrotocaudin, the furan moiety makes a dihedral angle with the adjacent lactone of 13.53 (17) . The cyclohexyl ring of the diterpene moiety adopts a chair confirmation.

Crystal structure of 1:1 Complexes betwe