52190-34-8
2-methylsulfanylcyclopentan-1-one
→
~64%
89729-97-5
2-methylsulfonylcyclopentan-1-one
857975-14-5
5-methanesulfonyl-valeric acid ethyl ester
+
141-52-6
乙醇钠
694-28-0
2-氯环戊酮