252290-09-8
(4aS,5R)-3,4,4a,5,6,7-hexahydro-4a,5-dimethyl-2H-1-benzopyran-2-one
+
917-54-4
甲基锂
→
184653-52-9
(2S,3R)-2,3-dimethyl-2-(3-oxobutyl)cyclohexan-1-one
234078-11-6
(2RS,3R)-2,3-dimethylcyclohexanone