Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 254552Generated: October 30, 2026

Carbon tetrabromide → 1-Cyclopropyl-2-(2,2-dibromo-vinyl)-3-methyl-benzene

https://huagongshe.com/reaction/254552

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCarbon tetrabromideHCID 11205—
ReactantTriphenylphosphineHCID 11776—
Reactant2-Cyclopropyl-6-methyl-benzaldehydeHCID 58951760—
Product1-Cyclopropyl-2-(2,2-dibromo-vinyl)-3-methyl-benzeneHCID 58951743—

Reaction Steps

1-Cyclopropyl-2-(2,2-dibromo-vinyl)-3-methyl-benzene was prepared from 2-cyclopropyl-6-methyl-benzaldehyde, carbon tetrabromide and triphenylphosphine in analogy to Example 1d): colourless oil; 1H-NMR (CDCl3): 0.69 (2H, m, CH2), 0.94 (2H, m, CH2), 1.87 (1H, m, CH), 2.26 (3H, s, CH3), 6.77 (1H, d, ArH), 7.03 (1H, d, ArH), 7.17 (1H, t, ArH), 7.52 (1H, s, CH═CBr2).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07875645B2
Source datasetuspto-grants-2011_01
ORD IDord-0914288bb23b4abe9e751b8826947293
Source noteuspto-grants-2011_01