120154-55-4

Basic information

• Product Name: 4-oxo-5-phenyl-3-triphenylphosphorano-2-pyridinethione
• CAS NO: 120154-55-4
• Molecular Weight: 463.54
• Mol File: 120154-55-4.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: 4-oxo-5-phenyl-3-triphenylphosphorano-2-pyridinethione(CAS DataBase Reference)
• NIST Chemistry Reference: 4-oxo-5-phenyl-3-triphenylphosphorano-2-pyridinethione(120154-55-4)
• EPA Substance Registry System: 4-oxo-5-phenyl-3-triphenylphosphorano-2-pyridinethione(120154-55-4)

Safety Data

• Hazardous Substances Data: 120154-55-4(Hazardous Substances Data)

Upstream product

• 54898-80-5 trans-2-phenylethenyl isothiocyanate 
• 73818-55-0 Bestmann ylide 

Downstream Products

• 120154-57-6 3-(2-methylthio-4-oxo-5-phenyl)pyridyltriphenylphosphonium iodide 

Relevant articles and documents

CYCLOADDITIONS OF VINYL ISOCYANATE AND ISOTHIOCYANATE WITH OXOVINYLIDENE- AND PHENYLIMINOVINYLIDENETRIPHENYLPHOSPHORANES. NEW SYNTHESYS AND CRYSTAL STRUCTURE OF POLYSUBSTITUTED PYRIDINE DERIVATIVES.

Oxovinylidenetriphenylphosphorane 1 and N-phenyl-iminovinylidenetriphenylphosphorane 2 enter cycloaddition reactions with vinyl isocyanate 3 and vinyl isothiocyanates 4 and 5 giving exclusively cycloaddition products, i.e. derivatives of 3-triphenyl