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• 33813-13-7 1-ethylsulfanyl-2,2,3r,4,4-pentamethyl-phosphetane 1c-oxide 
• 26674-18-0 r-1-chloro-2,2,t-3,4,4-pentamethylphosphetan 1-oxide 
• 25145-23-7 1-chloro-2,2,3,4,4-pentamethylphosphetane 
• 29276-11-7 r-1-chloro-2,2,t-3,4,4-pentamethylphosphetan 1-oxide 

Relevant academic research and scientific papers

Organic phosphorus compounds 106.1 a 31P-NMR study of phosphinous-, phosphinic-, and thiophosphinic amides

The synthesis, physical, chemical and spectroscopic properties of eight different types of phosphinous-, phosphinic-and thiophosphinic amides are reported. It is shown that the 31P-chem. shifts of tertiary amides are at lower magnetic field than that of secondary amides. As an exception, in the bis(tertiary butyl) series this trend is reversed.