623-73-4
重氮乙酸乙酯
+
75-16-1
甲基溴化镁
98-59-9
对甲苯磺酰氯
→
~87%
28525-08-8
2-diazonio-1-ethoxy-2-(4-methylphenyl)sulfonylethenolate
2850-19-3
4-甲基-(苯基磺酰基)乙酸乙酯