916898-69-6

Basic information

• Product Name: Thieno[2,3-b]pyrazine-6-carboxylic acid, 7-[(triphenylphosphoranylidene)amino]-, ethyl ester
• CAS NO: 916898-69-6
• Molecular Formula: C27H22N3O2PS
• Molecular Weight: 483.53
• Mol File: 916898-69-6.mol
• Article Data: 3

Chemical Properties

• CAS DataBase Reference: Thieno[2,3-b]pyrazine-6-carboxylic acid, 7-[(triphenylphosphoranylidene)amino]-, ethyl ester(CAS DataBase Reference)
• NIST Chemistry Reference: Thieno[2,3-b]pyrazine-6-carboxylic acid, 7-[(triphenylphosphoranylidene)amino]-, ethyl ester(916898-69-6)
• EPA Substance Registry System: Thieno[2,3-b]pyrazine-6-carboxylic acid, 7-[(triphenylphosphoranylidene)amino]-, ethyl ester(916898-69-6)

Safety Data

• Hazardous Substances Data: 916898-69-6(Hazardous Substances Data)

Upstream product

• 74002-68-9 3-(phenylsulfonyl)pyrazine-2-carbonitrile 
• 56881-21-1 ethyl 7-aminothieno[2,3-b]-pyrazine-6-carboxylate 
• 603-35-0 triphenylphosphine 

Downstream Products

• 916898-70-9 ethyl 3-(p-tolylimino-methylenamino)thieno[2,3-b]pyrazine-6-carboxylate 
• 1010433-27-8 3-amino-2-(4-methylphenyl)aminopyrazino[2',3':4,5]-thieno[3,2-d]pyrimidin-4(3H)-one 
• 1010433-26-7 3-amino-2-phenylaminopyrazino[2',3':4,5]-thieno[3,2-d]pyrimidin-4(3H)-one 
• 1010433-28-9 3-amino-2-(4-nitrophenyl)aminopyrazino[2',3':4,5]-thieno[3,2-d]pyrimidin-4(3H)-one 
• 916898-76-5 ethyl 2-[(4-chlorophenylamino)-morpholin-1-yl-methyleneamino]thieno[2,3-b]pyrazine-6-carboxylate 
• 916898-75-4 ethyl 2-[N',N'-diethyl-N''-(4-nitrophenyl)guanidino]thieno[2,3-b]pyrazine-6-carboxylate 

Relevant articles and documents

Efficient one-pot preparation of bis(pyrazino[2′,3′:4,5]thieno[3,2-d]pyrimidin-4-yl)benzenes based on an aza-Wittig/mediated annulation strategy

Aza-Wittig mediated annulation provides a highly facile and straightforward one-pot strategy for the synthesis of bis(pyrazino[2′,3′:4,5]thieno[3,2-d]pyrimidin-4-yl)benzenes 5 and 7. A tandem aza-Wittig reaction of iminophosphorane 2 with 1,4- or 1,3-phen

A practical one-pot procedure for the synthesis of pyrazino[2′,3′:4,5]thieno[3,2-d]pyrimidinones by a tandem aza-Wittig/heterocumulene-mediated annulation strategy

A simple one-pot and efficient method is described for the synthesis of pyrazino[2′,3′:4,5]thieno[3,2-d]pyrimidinone derivatives 6 via a tandem aza-Wittig/heterocumulene-mediated annulation process. The iminophosphorane 3 reacted with aryl isocyanates, fo