Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 839153Generated: October 31, 2026

Phosphorus tribromide → 3-Methyl-6-(3,4-methylenedioxyphenyl)-3-hexenyl bromide

https://huagongshe.com/reaction/839153

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosphorus tribromideHCID 24614—
ReactantLithium BromideHCID 82050—
Reactant2-(3,4-Methylenedioxyphenyl)ethyl 1-methycyclopropyl carbinolHCID 23455738—
CatalystZinc bromideHCID 10421208—
Product3-Methyl-6-(3,4-methylenedioxyphenyl)-3-hexenyl bromideHCID 54508681—

Reaction Steps

[V; Ar is 3,4-methylenedioxyphenyl, R is CH3 ] was prepared from 17.6 g. of 2-(3,4-methylenedioxyphenyl)ethyl 1-methylcyclopropyl carbinol (Preparation B3), 20.3 g. of phosphorus tribromide, 18.5 g. of lithium bromide and 21 g. of zinc bromide according to the procedure given above in Preparation C1, affording 19 g. of product as an oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04093736
Source datasetuspto-grants-1978_06
ORD IDord-4a3352d526254959974bb41f7b09f314
Source noteuspto-grants-1978_06