A novel ring contraction: 3β-methyl-A-nor-5β-cholestan-5-ol-6-one from 3β-tosyloxy-5α-cholestane-5,6β-diol through an ene reaction of an unsaturated acyloin |
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| Authors: | D S Brown R W G Foster B A Marples K G Mason |
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| Institution: | Department of Chemistry, The University of Technology Loughborough, Leics. LE11 3TU U.K. |
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| Abstract: | A by-product of the reaction of 3β-tosyloxy-5α-cholestane-5,6β-diol with
, 3β-methyl-A-nor-5β-cholestan-5-ol-6-one, is believed to arise from the intramolecular ene reaction of 4,5-seco-cholest-3-en-6β-ol-5-one. |
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