Triethyl phosphite → Diethyl P-((4-methoxyphenyl)methyl)phosphonate
Reaction equation
[CH3:1][O:2][C:3]1[CH:10]=[CH:9][C:6]([CH2:7]Cl)=[CH:5][CH:4]=1.[P:11]([O:18]CC)([O:15][CH2:16][CH3:17])[O:12][CH2:13][CH3:14]>>[CH3:1][O:2][C:3]1[CH:10]=[CH:9][C:6]([CH2:7][P:11](=[O:18])([O:15][CH2:16][CH3:17])[O:12][CH2:13][CH3:14])=[CH:5][CH:4]=1Participants
3
Procedure
4-methoxybenzylchloride and triethyl phosphite were reacted for 5 hrs at 150° C. Then the excessive triethylphosphite and a by product ethyl chloride were removed by reduced-pressure distillation to prepare diethyl 4-methoxybenzylphosphonate.
Workup
- customThen the excessive triethylphosphite and a by product ethyl chloride were removed by reduced-pressure distillation
- customto prepare diethyl 4-methoxybenzylphosphonate
Sources & evidence
- ORD record
- ord-2d2b49ec38f0422ba41ce248eda1ccca
- Source dataset
- uspto-grants-2009_03
- Patent number
- US07507509B2
Reaction notes
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