98078-84-3

Basic information

• Product Name: 2-(2-Hydroxyphenyl)-5-oxo-4-thioxo-3,4-dihydro-5H-<1>benzopyrano<4,3-d>pyrimidine
• Synonyms: 2-(2-Hydroxyphenyl)-5-oxo-4-thioxo-3,4-dihydro-5H-<1>benzopyrano<4,3-d>pyrimidine
• CAS NO: 98078-84-3
• Molecular Weight: 322.344
• Mol File: 98078-84-3.mol
• Article Data: 2

Chemical Properties

• CAS DataBase Reference: 2-(2-Hydroxyphenyl)-5-oxo-4-thioxo-3,4-dihydro-5H-<1>benzopyrano<4,3-d>pyrimidine(CAS DataBase Reference)
• NIST Chemistry Reference: 2-(2-Hydroxyphenyl)-5-oxo-4-thioxo-3,4-dihydro-5H-<1>benzopyrano<4,3-d>pyrimidine(98078-84-3)
• EPA Substance Registry System: 2-(2-Hydroxyphenyl)-5-oxo-4-thioxo-3,4-dihydro-5H-<1>benzopyrano<4,3-d>pyrimidine(98078-84-3)

Safety Data

• Hazardous Substances Data: 98078-84-3(Hazardous Substances Data)

Upstream product

• 36140-83-7 1-cyanoacetyl-3,5-dimethylpyrazole 
• 63963-47-3 6,6'-(1,2,4-Dithiazolidin-3,5-yliden)-bis-2,4-cyclohexadien-1-on 
• 102964-56-7 4--2-(2-hydroxyphenyl)-4H-1,3-benzoxazine 

Downstream Products

• 105950-28-5 2-(2-Hydroxyphenyl)-4-methylthio-5-oxo-5H-<1>benzopyrano<4,3-d>pyrimidine 
• 98078-83-2 2-(2-Hydroxyphenyl)-4,5-dioxo-3,4-dihydro-5H-<1>benzopyranopyrimidine 
• 38370-06-8 2-(2-Hydroxyphenyl)-4-imino-5-oxo-3,4-dihydro-5H-<1>benzopyrano<4,3-d>pyrimidine 

Relevant articles and documents

Eine einfache Synthese von 5H-Benzopyranopyrimidin-Derivaten mit Oxo-, Thioxo- und/oder Imino-Funktionen in 4- und 5-Stellung

The reaction of 4-dicyanomethylene- or 4--2-(2-hydroxyphenyl)-4H-1,3-benzoxazine with ammonium acetate, hydrogen sulfide, or aqueous acid represents a useful method for the preparation of 4,5-(imino, thioxo, or oxo)-disubstituted 2-(2-hydroxyphenyl)-3,4-dihydro-5H-benzopyranopyrimidines.