Selective reactions of α-aryl wittig reagents with the formyl moiety of 4-formylbenzoyl chloride |
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| Authors: | Frank Wätjen Otto Dahl Ole Buchardt |
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| Institution: | Chemical Laboratory II, The H. C. Ørsted Institute, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen, Denmark |
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| Abstract: | The benzylic Wittig reagents 2a, 2b and 2e react with 4-formylbenzoyl chloride 1 to give 40–60% yields of products 3 derived from selective attack at the formyl group of 1; The same selectivity is not found for the non-stabilized ylids 2c and 2d or the stabilized ylid 2f. |
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