Dimethyl 1-methoxycarbonyl-1,2-dihydroquinoline-2-phosphonates 1a-f obtained from corresponding quinoline derivatives 2 in one step were ozonized in CHCl 3 and CH 3 COOH. Treatment of the resulting mixture with NaHCO 3 produced the 2-formyl-1-methoxycarbonylindole derivatives 5a-g in high yields. Th
Novel Ring Transformation of Quinolines to Indole Derivatives in Two Steps.
β Scribed by Michiharu Sugiura; Natsuyo Yamaguchi; Takafumi Saya; Misato Ito; Koosuke Asai; Isamu Maeba
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 27 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0931-7597
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Diphenyl 1-phenoxycarbonyl-1,4-dihydroquinoline-4-phosphonates 5c-g, obtained from the reaction of corresponding quinoline derivatives 1 with phenyl chloroformate and triphenyl phosphite in one step, were ozonized in CHCl 3 and CH 3 COOH. Treatment of the resulting mixture with NaHCO 3 produced the
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