The stereospecificity and stereoselectivity of hydrogen transfer in photochemical reactions |
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| Authors: | EL Ghisalberti PR Jefferies MA Sefton |
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| Institution: | Department of Organic Chemistry, University of Western Australia, Nedlands, Western Australia 6009 |
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| Abstract: | The photolysis of methyl ent-19-acetoxy-3-oxo-beyer-15-en-17-oate (3) occurs with retention of configuration of C-4 to give the 4S-3,4-seco acid. In the phototransformation of 3-ketobeyeranes to 3,4-seco acids the C-2 axial hydrogen is transferred preferentially to C-4. |
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