Abstract:Fused pyrrole derivatives R 0160 Facile Synthesis of 2-Azaazulenes from Thiobenzoyl Isocyanates Using Trimethylsilyldiazomethane. -Reaction of various thiobenzoyl isocyanates with Me3Si-CHN2 results in formation of diazoketones in moderate to good yields. Further treatment under Buchner conditions gives azaazulenes which may have attractive biological activities. For methoxy derivatives (IIIg) and (IIIh), Buchner reaction leads to isoquinolines as the sole stable products. -(MORITA, M.; HARI, Y.; IGUCHI, T.; A… Show more
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