Synthesis p. 849 - 851 (1992)
Update date:2022-08-04
Topics:
Goda
Sato
Ihara
Hirayama
5-Substituted 2-(α-alkoxyimino)ethylthiophenes 4-8 are obtained by the reaction of 2-(α-alkoxyimino)ethylthiophenes 3 and electrophilic reagents. Hydrolysis of thiophenes 4-8 produces 5-substituted 2-acetylthiophenes 9-13, respectively. Compounds 3 are easily obtained either by the reaction of 2-acetylthiophene (1) and an O-alkylhydroxylamine or by oxidation of 1 followed by O-alkylation.
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