74331-48-9

Basic information

• Product Name: 5,7-Dihydro-1,3,5,7-tetraphenyldiimidazo<4,5-b:4',5'-e>pyrazine-2,6(1H,3H)-dithione
• CAS NO: 74331-48-9
• Molecular Weight: 528.661
• Mol File: 74331-48-9.mol

Chemical Properties

• CAS DataBase Reference: 5,7-Dihydro-1,3,5,7-tetraphenyldiimidazo<4,5-b:4',5'-e>pyrazine-2,6(1H,3H)-dithione(CAS DataBase Reference)
• NIST Chemistry Reference: 5,7-Dihydro-1,3,5,7-tetraphenyldiimidazo<4,5-b:4',5'-e>pyrazine-2,6(1H,3H)-dithione(74331-48-9)
• EPA Substance Registry System: 5,7-Dihydro-1,3,5,7-tetraphenyldiimidazo<4,5-b:4',5'-e>pyrazine-2,6(1H,3H)-dithione(74331-48-9)

Safety Data

• Hazardous Substances Data: 74331-48-9(Hazardous Substances Data)

Upstream product

• 74331-41-2 5-Imino-1,3-diphenyl-2,4-imidazolidinedithione 

Relevant articles and documents

Reactions of Isothiocyanates with Cyanothioformamides. Cyclization of 5-Imino-4-thioxo-2-imidazolidones and 5-Imino-2,4-imidazolidinedithiones to 5,7-Dihydrodiimidazopyrazine-2,6(1H,3H)-diones and -dithiones

N-Methyl- or N-phenylcyanothioformamide (1a,b) reacts with methyl or phenyl isocyanate to provide 5-imino-1,3-disubstituted-4-thioxo-2-imidazolidinones 3a-d.Methyl or phenyl isothiocyanate with 1a,b gives 5-imino-1,3-disubstituted-2,4-imidazolidinedithion

Heterocyclic Ring-Closure Reactions. 6. Preparation and Further Cyclization Reactions of 5-Imino-1,3-diphenyl-4-thioxo-2-imidazolidinone and 5-Imino-1,3-diphenyl-2,4-imidazolidinedithione

Phenyl isocyanate (1a) and phenyl isothiocyanate (1b) react with cyanothioformanilide (2b) to give the title compounds 3b and 3c.With additional 1a, 3b,c provide the 5-(N-phenylcarbamoyl) derivatives 4b,c.With hydrochloric acid, 3b,c afford the 4-oxo comp