93922-74-8

Basic information

• Product Name: 4H-Pyrido[1,2-a]pyrimidine-3-carboxylic acid, 6,7,8,9-tetrahydro-6-methyl-4-oxo-9-(phenylmethylene)-, ethyl ester, (E)-
• CAS NO: 93922-74-8
• Molecular Formula: C19H20N2O3
• Molecular Weight: 324.379
• Mol File: 93922-74-8.mol
• Article Data: 2

Chemical Properties

• CAS DataBase Reference: 4H-Pyrido[1,2-a]pyrimidine-3-carboxylic acid, 6,7,8,9-tetrahydro-6-methyl-4-oxo-9-(phenylmethylene)-, ethyl ester, (E)-(CAS DataBase Reference)
• NIST Chemistry Reference: 4H-Pyrido[1,2-a]pyrimidine-3-carboxylic acid, 6,7,8,9-tetrahydro-6-methyl-4-oxo-9-(phenylmethylene)-, ethyl ester, (E)-(93922-74-8)
• EPA Substance Registry System: 4H-Pyrido[1,2-a]pyrimidine-3-carboxylic acid, 6,7,8,9-tetrahydro-6-methyl-4-oxo-9-(phenylmethylene)-, ethyl ester, (E)-(93922-74-8)

Safety Data

• Hazardous Substances Data: 93922-74-8(Hazardous Substances Data)

Upstream product

• 100-52-7 benzaldehyde 
• 32092-14-1 6-methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid ethyl ester 

Downstream Products

• 28867-76-7 benzaldehyde benzylidenehydrazone 
• 93886-07-8 6-Methyl-4-oxo-9-[1-phenyl-meth-(E)-ylidene]-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid [2-(3,4-dimethoxy-phenyl)-ethyl]-amide 
• 93886-05-6 6-Methyl-4-oxo-9-[1-phenyl-meth-(E)-ylidene]-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid (3-chloro-2,4-dimethoxy-phenyl)-amide 
• 93886-04-5 6-Methyl-4-oxo-9-[1-phenyl-meth-(E)-ylidene]-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid (3,5-dichloro-4-hydroxy-phenyl)-amide 
• 93886-06-7 6-Methyl-4-oxo-9-[1-phenyl-meth-(E)-ylidene]-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid phenethyl-amide 
• 93886-03-4 6-Methyl-4-oxo-9-[1-phenyl-meth-(E)-ylidene]-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid (2-fluoro-phenyl)-amide 
• 92713-93-4 6-Methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid [2-(3,4-dimethoxy-phenyl)-ethyl]-amide 
• 93886-02-3 6-Methyl-4-oxo-9-[1-phenyl-meth-(E)-ylidene]-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid o-tolylamide 
• 93886-08-9 6-Methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid (3-chloro-2,4-dimethoxy-phenyl)-amide 
• 93886-01-2 6-Methyl-4-oxo-9-[1-phenyl-meth-(E)-ylidene]-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid phenylamide 
• 92713-94-5 6-Methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid (3,5-dichloro-4-hydroxy-phenyl)-amide 
• 92731-78-7 6-Methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid phenethyl-amide 
• 92731-77-6 6-Methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid (2-fluoro-phenyl)-amide 
• 92731-76-5 6-Methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid o-tolylamide 

Relevant articles and documents

Nitrogen Bridgehead Compounds. Part 76. Synthesis and Stereochemistry of Ethyl 9-Benzylidene-6,7,8,9-tetrahydro-2-oxo-2H- and 4-oxo-4H-pyridopyrimidine-3-carboxylates and their Homologues

Ethyl 4-oxo-6,7,8,9-tetrahydro-4H-pyridopyrimidine-3-carboxylates 1-4, their piperidine ring homologues 5-6 and their 2-oxo isomers 7-9 were reacted with benzaldehyde.At low temperature, kinetically stable addition products were formed.Thermodinami