62217-60-1
ethyl 3,3-dimethyl-2-sulfanylidenebutanoate
+
38203-73-5
(E/Z)-1-butenylmagnesium bromide
→
62217-64-5
ethyl 2-tert-butyl-2-sulfanylhex-4-enoate
5333-74-4
ethyl 3,3-dimethyl-2-oxobutanoate