62217-60-1
ethyl 3,3-dimethyl-2-sulfanylidenebutanoate
+
2259-30-5
magnesium,2-methylpropane,bromide
→
62217-63-4
ethyl 2-tert-butylsulfanyl-3,3-dimethylbutanoate
5333-74-4
ethyl 3,3-dimethyl-2-oxobutanoate