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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Doi:10.1016/S0040-4020(01)86118-4
(1988)Doi:10.1016/S0040-4039(00)61828-2
(1987)Doi:10.1248/cpb.40.524
(1992)Doi:10.1016/j.tetlet.2009.02.186
(2009)Doi:10.1016/j.jorganchem.2008.12.056
(2009)Doi:10.1246/cl.2005.28
(2005)
