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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 904459Generated: October 30, 2026

Triphenylphosphine → (2,5-Dichloro-3-thenyl)triphenyl phosphonium bromide

https://huagongshe.com/reaction/904459

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriphenylphosphineHCID 11776—
Reactant3-(Bromomethyl)-2,5-dichlorothiopheneHCID 23434082—
SolventBenzeneHCID 241—
Product(2,5-Dichloro-3-thenyl)triphenyl phosphonium bromideHCID 20285664—

Reaction Steps

2,5-Dichloro-3-bromomethyl thiophene (22 g., 90 mmoles) was mixed with 26 g. (99 mmoles) of triphenyl phosphine and 150 ml. of benzene. The mixture was heated to the reflux for 21/2 hours, cooled and filtered to give (2,5-dichloro-3-thenyl)triphenyl phosphonium bromide, m.p. 208°-215° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04230872
Source datasetuspto-grants-1980_10
ORD IDord-ceb137e24099402a97bd4907fa482098
Source noteuspto-grants-1980_10