为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

Piperonyl methyl ketone was obtained by oxidizing isosafrole with hydrogen peroxide and formic acid. Dianion of ethyl ac......

β-Keto-δ-valerolactones, which were obtained by reaction of acetoacetate with aldehydes or ketones, reacted with carbo......

采用乙酰乙酸乙酯的双负离子与胡椒基甲基酮反应,合成了5,6-二氢-6-甲基-6-胡椒基-2H-吡喃-2,4-二酮,然后与原甲酸三乙酯、芳胺进......

β-Keto-δ-valerolactones, which were obtained by reaction of acetoacetate with aldehydes or ketones, reacted with carbo......