反应条件
1.1: ammonia / water; tert-butyl methyl ether / 0 - 20 °C
1.2: pH 2
2.1: acetone / water / 80 °C
3.1: ammonia / water / 5 h / 80 °C
3.2: 0 °C / pH 1
4.1: potassium hydroxide / water / 30 h / 0 °C
4.2: 1.17 h / 0 - 80 °C
4.3: 0.5 h / 80 - 90 °C
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