Boron trifluoride catalysed reactions of 2,2,2-trichloroethyl-6-diazopenicillanate with ketones: preparation of novel 6β-acyl-6α-alkyl(aryl) penicillanates. |
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| Authors: | VJ Jephcote DI John |
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| Institution: | Department of Chemistry, University of London King''s College, Strand, London WC2R 2LS. England U.K. |
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| Abstract: | The BF3·Et2O catalysed reactions of the diazopenicillanate 1 with ketones provide novel 6-acyl-6-alkyl(aryl)penicillanates 2, together with thiazolooxazinones 6 formed via penam C(5)-C(6) cleavage reactions. |
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