Phosphorus tribromide → HCID 53884915, compound

Participants

Reaction Steps

3-Ethyl-6-(3,4-methylenedioxyphenyl)-3,5-hexadienyl bromide [VIII; Ar is 3,4-methylenedioxyphenyl, R is C2H5 ] was prepared from 3.6 g. of 2-(3,4-methylenedioxyphenyl)vinyl 1-ethylcyclopropyl carbinol (Preparation B9), 3.5 g. of phosphorus tribromide, 4.5 g. of lithium bromide and 3.5 g. of zinc bromide according to the procedure given above in Preparation C1, affording 2 g. of product as an oil.

Provenance & Evidence