13252-83-0
4-羟基-6-甲基香豆素
+
98-59-9
对甲苯磺酰氯
→
~69%
345948-96-1
(6-methyl-2-oxochromen-4-yl) 4-methylbenzenesulfonate
16299-22-2
6-methyl-4-phenylchromen-2-one