1: dimethylformamide / 0.5 h / 20 °C 2: dimethylformamide / 0.5 h / 100 °C 3: aq. K2CO3 / methanol / 12 h / 20 °C 4: 72 percent / acetonitrile / 12 h / 130 °C View Scheme
Chiang; Li
Scientia Sinica (English Edition), 1958 , vol. 7, p. 617,628
Chem.Abstr., 1958 , p. 15539
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Chiang; Li
Huaxue Xuebao, 1957 , vol. 23, p. 391,396, 397
Chem.Abstr., 1958 , p. 15539