Account 
Hantzsch pyridine synthesis from two beta-ketoesters, an aldehyde, and ammonia (stepwise). (1127)
ethyl 4-cyclopropyl-3-oxobutanoate
methyl 3,5-dioxohexanoate
ethyl (E)-3-oxohex-4-enoate
methyl 4-bromo-3-oxopentanoate
ethyl 4-((tert-butoxycarbonyl)amino)-3-oxobutanoate
methyl 4-(((benzyloxy)carbonyl)amino)-3-oxobutanoate
ethyl 4,4-difluoro-3-oxopentanoate
methyl 3-oxohexanoate
ethyl 3-oxo-3-(4-phenoxyphenyl)propanoate
ethyl 3-(2,4-dichlorophenyl)-3-oxopropanoate
methyl 3-oxo-4-phenylbutanoate
methyl 5-methyl-3-oxohexanoate
methyl 5-((tert-butoxycarbonyl)amino)-3-oxopentanoate
ethyl 3-(2,3-dichlorophenyl)-3-oxopropanoate
methyl 3-(furan-2-yl)-3-oxopropanoate
ethyl 4-bromo-3-oxobutanoate
di-tert-butyl 3-oxopentanedioate
ethyl 3-(2-methylcyclohexyl)-3-oxopropanoate
ethyl 3-(furan-2-yl)-3-oxopropanoate
ethyl 5-(benzyloxy)-3-oxopentanoate
ethyl 4-(4-fluorophenyl)-3-oxobutanoate
ethyl 3-oxo-3-(3-(trifluoromethyl)phenyl)propanoate
methyl 3-cyclobutyl-3-oxopropanoate
tert-butyl (R)-2-(3-ethoxy-3-oxopropanoyl)pyrrolidine-1-carboxylate
ethyl 3-oxo-3-(tetrahydrofuran-2-yl)propanoate
ethyl 3-(4-bromo-2-fluorophenyl)-3-oxopropanoate
ethyl 5,5,5-trifluoro-3-oxopentanoate
ethyl 6,6,6-trifluoro-3-oxohexanoate
methyl 3-oxobutanoate
Total: 202