1,2-Dichlorobenzene → HCID 20292528, compound

HRID 1856433Notes

Reaction equation

HRID 1856433 reaction equation
C([C:3]1[CH:8]=[CH:7][C:6]([P:9](=[O:12])([O-:11])[O-:10])=[C:5]([CH:13](Br)[CH3:14])[C:4]=1CC)C.Cl[C:19]1C=CC=C[C:20]=1Cl>>[CH2:19]([O:10][P:9]1(=[O:12])[C:6]2[CH:7]=[CH:8][CH:3]=[CH:4][C:5]=2[CH:13]([CH3:14])[O:11]1)[CH3:20]

Participants

3

Reactant 2

HCID 72391,2-DichlorobenzeneHCID 86737160HCID 86737160, compound

Product 1

HCID 20292528HCID 20292528, compoundYield 55%

Procedure

A mixture of diethyl-2-(1-bromoethyl)phenylphosphonate (12 g, 0.037 mole) in 25 ml. of 1,2-dichlorobenzene was refluxed for 2 hours. The reaction mixture was vacuum distilled to yield 1-ethoxy-3-methyl-1,3-dihydro-2,1-benzoxaphosphole-1-oxide (4.3 g, 55% yield) as a colorless oil.

Workup

  1. distillationdistilled

Sources & evidence

ORD record
ord-d93352a1f6f442fca5275a872f531639
Source dataset
uspto-grants-1980_08
Patent number
US04219510

Reaction notes

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