New methods and reagents in organic synt
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Yasumasa Hamada; Takayuki Shioiri
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Article
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1982
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Elsevier Science
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French
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Diphenyl phosphorazidatefDPPAI can be used efficientZy for the direct C-acylation of methy isocyanoacetate with carboxylic acids, giving 4-methoxycarbonyZoxa;Les.