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16101-63-6

6,7-DIMETHOXY-1(2H)-ISOQUINOLONE synthesis

13synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 4 steps
1: 64 percent / CuI, Et3N / Pd(PPh3)2Cl2 / dimethylformamide / 18 h / 100 °C
2: 67 percent / ethanol / 12 h / Heating
3: 38 percent / 3 N NaOH, 30percent H2O2 / methanol / 3 h / 70 °C
4: 78 percent / TsOH / benzene / 6 h / Heating

References:

Sakamoto, Takao;Miura, Norio;Kondo, Yoshinori;Yamanaka, Hiroshi [Chemical and pharmaceutical bulletin,1986,vol. 34,# 7,p. 2760 - 2765]

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