反应条件
1: 1.56 g / 15.5 h / 150 °C
2: 0.5 g / toluene / 20 h / Heating; method for preparation of 3,4-dimethylpyrano<2,3-c>pyrazol(6)ones (reaction between further 2-piperidylacetohydrazine and esters)
View Scheme
参考文献
Tanaka, Teruo; Terada, Atsusuke; Miyadera, Tetsuo; Tachikawa, Ryuji
Chemical and Pharmaceutical Bulletin, 1980 , vol. 28, # 1 p. 30 - 34