135127-78-5

Basic information

• Product Name: Thieno[2,3-c]pyridazine-6-carboxamide, 5-amino-3,4-diphenyl-
• CAS NO: 135127-78-5
• Molecular Formula: C19H14N4OS
• Molecular Weight: 346.412
• Mol File: 135127-78-5.mol

Chemical Properties

• CAS DataBase Reference: Thieno[2,3-c]pyridazine-6-carboxamide, 5-amino-3,4-diphenyl-(CAS DataBase Reference)
• NIST Chemistry Reference: Thieno[2,3-c]pyridazine-6-carboxamide, 5-amino-3,4-diphenyl-(135127-78-5)
• EPA Substance Registry System: Thieno[2,3-c]pyridazine-6-carboxamide, 5-amino-3,4-diphenyl-(135127-78-5)

Safety Data

• Hazardous Substances Data: 135127-78-5(Hazardous Substances Data)

Upstream product

• 112450-34-7 4-cyano-5,6-diphenylpyridazine-3 (2H)-thione 
• 94011-79-7 3-chloro-5,6-diphenylpyridazine-4-carbonitrile 
• 134129-62-7 3,4-diphenyl-5-cyano-6-(carboxyamidomethylthio)pyridazine 
• 79-07-2 Chloroacetamide 

Downstream Products

• 183382-18-5 6-Benzo[1,3]dioxol-5-yl-3,4-diphenyl-6,7-dihydro-5H-pyrimido[4',5':4,5]thieno[2,3-c]pyridazin-8-one 
• 183382-14-1 6-(4-Chloro-phenyl)-3,4-diphenyl-6,7-dihydro-5H-pyrimido[4',5':4,5]thieno[2,3-c]pyridazin-8-one 
• 183382-10-7 3,4,6-Triphenyl-6,7-dihydro-5H-pyrimido[4',5':4,5]thieno[2,3-c]pyridazin-8-one 
• 173723-18-7 8,9-diphenylpyridazino[4',3':4,5]thieno[3,2-d]-1,2,3-triazin-4(3H)-one 
• 135127-82-1 8,9-diphenyl-2-(4-nitro)styrylpyrimido<4',5':4,5>thieno<2,3-c>pyridazin-4(3H)-one 
• 135127-81-0 2-methyl-8,9-diphenylpyrimido<4',5':4,5>thieno<2,3-c>pyridazin-4(3H)-one 
• 183382-22-1 6-(4-Nitro-phenyl)-3,4-diphenyl-7H-pyrimido[4',5':4,5]thieno[2,3-c]pyridazin-8-one 
• 183382-25-4 6-Benzo[1,3]dioxol-5-yl-3,4-diphenyl-7H-pyrimido[4',5':4,5]thieno[2,3-c]pyridazin-8-one 
• 183382-26-5 6-(2,6-Dichloro-phenyl)-3,4-diphenyl-7H-pyrimido[4',5':4,5]thieno[2,3-c]pyridazin-8-one 
• 183382-24-3 6-(2-Methoxy-phenyl)-3,4-diphenyl-7H-pyrimido[4',5':4,5]thieno[2,3-c]pyridazin-8-one 
• 183382-35-6 (3,4,6-Triphenyl-pyrimido[4',5':4,5]thieno[2,3-c]pyridazin-8-yl)-hydrazine 
• 183382-23-2 6-(4-Chloro-phenyl)-3,4-diphenyl-7H-pyrimido[4',5':4,5]thieno[2,3-c]pyridazin-8-one 

Relevant articles and documents

Synthesis of some new pyrimidothienopyridazines and related heterocycles

5-Amino-3,4-diphenylthieno[2,3-c]pyridazine-6-carbonitrile 2a was reacted with propylene diamine to give tetrahydropyrimidinyl derivative 3. The latter compound (3) underwent certain cyclocondensation reactions to produce pyrimidothienopyridazines 4-6. Al

Synthesis of Pyrimido[4′,5′:4,5]thieno[2,3-c]-pyridazine Derivatives

Convenient syntheses of 3,4-diphenyl-8-oxo-6-substituted-5,6,7,8-tetrahydropyrimido[4′, 5′:4,5]thieno[2,3-c]pyridazines (4a-g), 3,4-diphenyl-8-oxo-6-substituted-7,8-dihydropyrimido[4′,5′: 4,5]thieno[2,3-c]pyridazines (5a-g), 8-chloro-3,4-diphenyl-6-substituted-pyrimido[4′,5′:4,5]thieno [2,3-c]pyridazines (6a-g), and 3,4,6-triphenyl-8-substituted-pyrimido[4′,5′:4,5]thieno[2,3-c] pyridazines (7a-f) from 4-cyano-5,6-diphenylpyridazine-3(2H)-thione (1) via 5-amino-3,4-diphenyl-thieno[2,3-c]pyridazine-6-carboxamide (3) are reported.

Pyridazine Derivatives and Related Compounds, Part 3. Some Reactions with 4-Cyano-3(2H)-pyridazinethione

The reaction of 5-amino-3,4-diphenylthienopyridazine-6-carboxamide 2 with formamide, acetic anhydride and carbon disulphide yielded pyrimidothienopyridazine-4-one derivatives.Pyrimidopyridazinethione and dithione derivative