Phosphorochloridic acid, dibutyl ester → Dibutoxyphosphinic acid isocyanate

HRID 1904567Notes

Reaction equation

HRID 1904567 reaction equation
[CH2:1]([O:5][P:6](Cl)([O:8][CH2:9][CH2:10][CH2:11][CH3:12])=[O:7])[CH2:2][CH2:3][CH3:4].[O-:14][C:15]#[N:16].[Na+]>C(#N)C>[CH2:1]([O:5][P:6]([N:16]=[C:15]=[O:14])([O:8][CH2:9][CH2:10][CH2:11][CH3:12])=[O:7])[CH2:2][CH2:3][CH3:4]

Participants

4

Reactant 2

HCID 94784Phosphorochloridic acid, dibutyl esterHCID 517096Sodium Cyanate

Product 1

HCID 12583220Dibutoxyphosphinic acid isocyanate

Reagents, catalysts & solvents 1

HCID 6342AcetonitrileSolvent

Procedure

Analogously to Example 1, 200 g of dibutoxyphosphinic acid chloride were reacted with 58 g of sodium cyanate in 350 ml of absolute acetonitrile. 142 g of a faintly yellowish liquid (69% of theory) having a boiling point of 80°-83° C./0.67 Pa were isolated.

Workup

  1. customwere isolated

Sources & evidence

ORD record
ord-7affca2c8d2c47d3adbfb36826a21016
Source dataset
uspto-grants-1989_06
Patent number
US04839254

Reaction notes

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