Dichroisme circulaire d'olefines VI alkylidene-17 androstanes |
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| Authors: | Jean-Marie Bernassau Marcel Fetizon Issam Hanna Jeanine Rens Antoinette Viger |
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| Institution: | Laboratoire de Synthèse Organique, Ecole Polytechnique, 91128 Palaiseau Cedex, France |
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| Abstract: | The Cotton effect of 17-alkylidene (5α) androstanes is discussed. The large variations observed in the C.D. values indicated that the role of olefin torsion in the ground state is not significant. A semi quantitative approach based on A.B.P. model is suggested. |
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