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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1706169Generated: October 26, 2026

1,5-Dibromopentane → Diethyl-5-bromopentylphosphonate

https://huagongshe.com/reaction/1706169

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,5-DibromopentaneHCID 8100—
ReactantTriethyl phosphiteHCID 31215—
ProductDiethyl-5-bromopentylphosphonateHCID 10924159104.2%

Reaction Conditions

Temperature160 °C

Reaction Steps

A mixture of 1,5-dibromopentane (500 g.) and triethylphosphite (72.0 g.) was stirred at 160° C. for 40 minutes and then excess 1,5-dibromopentane was distilled off under reduced pressure to give oily diethyl 5-bromopentylphosphonate (129.6 g.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04206156
Source datasetuspto-grants-1980_06
ORD IDord-eed7a142fd44449889f4be1f269c3c05
Source noteuspto-grants-1980_06