57584-97-1
3-(dimethylamino)-2-methyl-1-phenylprop-2-en-1-one
+
124-63-0
甲烷磺酰氯
→
~43%
76312-36-2
N,N,5-trimethyl-2,2-dioxo-6-phenyl-3,4-dihydrooxathiin-4-amine