15762-04-6

Basic information

• Product Name: 5,5-dimethyl-2-oxo-1,3,2-dioxaphosphorinan-2-yl 5,5-dimethyl-2-thioxo-1,3,2-dioxaphosphorinan-2-yl-oxide
• Synonyms: 5,5-dimethyl-2-oxo-1,3,2-dioxaphosphorinan-2-yl 5,5-dimethyl-2-thioxo-1,3,2-dioxaphosphorinan-2-yl-oxide
• CAS NO: 15762-04-6
• Molecular Weight: 330.279
• Mol File: 15762-04-6.mol
• Article Data: 2

Chemical Properties

• CAS DataBase Reference: 5,5-dimethyl-2-oxo-1,3,2-dioxaphosphorinan-2-yl 5,5-dimethyl-2-thioxo-1,3,2-dioxaphosphorinan-2-yl-oxide(CAS DataBase Reference)
• NIST Chemistry Reference: 5,5-dimethyl-2-oxo-1,3,2-dioxaphosphorinan-2-yl 5,5-dimethyl-2-thioxo-1,3,2-dioxaphosphorinan-2-yl-oxide(15762-04-6)
• EPA Substance Registry System: 5,5-dimethyl-2-oxo-1,3,2-dioxaphosphorinan-2-yl 5,5-dimethyl-2-thioxo-1,3,2-dioxaphosphorinan-2-yl-oxide(15762-04-6)

Safety Data

• Hazardous Substances Data: 15762-04-6(Hazardous Substances Data)

Upstream product

• 45734-11-0 2-hydroxy-2-thiono-5,5-dimethyl-1,3,2-dioxaphosphorinane 
• 15995-44-5 Bis<5,5-dimethyl-2-oxo-P(V)-1,3,2-dioxaphosphorinan-2-yl> disulphide 
• 538-75-0 dicyclohexyl-carbodiimide 

Relevant articles and documents

Reaction of Three-coordinate Phosphorus Compounds with Organophosphorus Pseudohalogens. 3. Phosphonium and Phosphorane Intermediates in the Desulfurization and Dehalogenation of Bis(phosphinoyl) Disulfides. Influence of Lewis Acids on the Reaction Chemoselectivity

The reactions of bis(phosphinoyl) disulfides RR1P(O)S-S-P(O)RR1 1 with PIII compounds have been investigated and various mechanistic features have been elucidated by variable-temperature 31P NMR spectroscopy.These studies show that in most cases phosphonium intermediates 5 and 6 are involved.In cases were ligands on PIII increase the stability of the five coordinate structures phosphorane intermediates are observed.In the isomerization 5 -> 6, the mode of decomposition (desulfurization, deoxygenation or dealkylation) to give stable end products is influenced by electronic and steric factors.The presence of the Lewis acid BF3 influences considerably the stability of the transient species 5 and 6 and the chemoselectivity of the reaction.