263402-85-3

Basic information

• Product Name: 3-amino-6,6-dimethyl-2-phenyl-3,5,6,8-tetrahydro-4H-pyrano[4',3':4,5]thieno[2,3-d]pyrimidin-4-one
• Synonyms: 3-amino-6,6-dimethyl-2-phenyl-3,5,6,8-tetrahydro-4H-pyrano[4',3':4,5]thieno[2,3-d]pyrimidin-4-one
• CAS NO: 263402-85-3
• Molecular Formula: C₁₇H₁₇N₃O₂S
• Molecular Weight: 327.40078
• Mol File: 263402-85-3.mol
• Article Data: 2

Chemical Properties

• Appearance: /
• CAS DataBase Reference: 3-amino-6,6-dimethyl-2-phenyl-3,5,6,8-tetrahydro-4H-pyrano[4',3':4,5]thieno[2,3-d]pyrimidin-4-one(CAS DataBase Reference)
• NIST Chemistry Reference: 3-amino-6,6-dimethyl-2-phenyl-3,5,6,8-tetrahydro-4H-pyrano[4',3':4,5]thieno[2,3-d]pyrimidin-4-one(263402-85-3)
• EPA Substance Registry System: 3-amino-6,6-dimethyl-2-phenyl-3,5,6,8-tetrahydro-4H-pyrano[4',3':4,5]thieno[2,3-d]pyrimidin-4-one(263402-85-3)

Safety Data

• Hazardous Substances Data: 263402-85-3(Hazardous Substances Data)

Upstream product

• 98-88-4 benzoyl chloride 
• 64792-51-4 ethyl 2-amino-5,5-dimethyl-4,7-dihydro-5H-thieno[2,3-c]pyran-3-carboxylate 
• 263402-83-1 2-benzoylamino-5,5-dimethyl-4,7-dihydro-5H-thieno[2,3-c]pyran-3-carboxylic acid ethyl ester 

Relevant articles and documents

Derivatives of condensed thieno[2,3-d]pyrimidines. 15*. Synthesis of 2-substituted 3-amino-6,6-dimethyl-5,6-dihydro-8H-pyrano[4′,3′:4,5]-thieno[2, 3-d]pyrimidin-4-ones

A method has been developed for the preparation of 2-R-substituted 3-amino-6,6-dimethyl-5,6-dihydro-8H-pyrano[4′,3′:4,5]thieno[2, 3-d]pyrimidin-4-ones based on 2-R-amino-3-ethoxycarbonylpyrano-[2,3-c]thiophenes. It has been established that their cyclization with hydrazine hydrate requires vigorous conditions.