5-(2,6-dimethylphenyl)-4-oxopentanoic acid 、 5-(2,4,6-trimethylphenyl)-4-oxopentanoic acid 以
Methyl-5-(2-methylphenyl)-4-oxopentanoat 为溶剂,
生成 6-(2,6-dimethylbenzyl)-2,3,4,5-tetrahydropyridaz-3-one 、 2,3,4,5-tetrahydro-6-(2,4,6-trimethylbenzyl)pyridaz-3-one