Supplier Page from Thermo Fisher Scientific for Sodium methoxide, ca 30% w/w in methanol
1-Benzyl-3-methyl-4-piperidone, 99% from Thermo Fisher Scientific
2-Mesitylenesulfonyl chloride, 99% from Thermo Fisher Scientific
Ethyl cyanoformate, 99% from Thermo Fisher Scientific
Methyl chloroformate, 99% from Thermo Fisher Scientific