Supplier Page from Thermo Fisher Scientific for (S)-3-Amino-3-phenylpropanoic acid ethyl ester hydrochloride, 95%, 98% ee
9-Fluorenone, 99+% from Thermo Fisher Scientific
DL-Ethyl 2-bromopropionate, 99% from Thermo Fisher Scientific
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific