98-59-9
对甲苯磺酰氯
+
141699-55-0
N-Boc-3-羟基氮杂环丁烷
→
~96%
605655-08-1
1-Boc-3-(甲苯-4-磺酰氧基)-氮杂丁烷
1311166-10-5
tert-butyl 3-hydroxycyclobutanecarboxylate
~41%