
Tetrahedron Letters p. 235 - 236 (1982)
Update date:2022-08-02
Topics:
Hamada, Yasumasa
Shioiri, Takayuki
Diphenyl phosphorazidate(DPPA) can be used efficiently for the direct C-acylation of methyl isocyanoacetate with carboxylic acids, giving 4-methoxycarbonyloxazoles.
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