Chemical and Pharmaceutical Bulletin p. 749 - 756 (1998)
Update date:2022-07-29
Topics:
Kawase, Masami
Miyamae, Hiroshi
Kurihara, Teruo
The reactions of N-acyl-N-benzyl-α-amino acids (1) or N-acylprolines (5) with trifluoroacetic anhydride in the presence of pyridine afford 5- trifluoromethyloxazoles (2 or 7) in good yields. The reaction could proceed through the transient formation of me
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