Carbon tetrabromide → HCID 58951695, compound

HRID 254580Notes

Reaction equation

HRID 254580 reaction equation
[CH2:1]([C:3]1[C:10]([O:11][CH3:12])=[CH:9][CH:8]=[C:7]([CH2:13][CH3:14])[C:4]=1[CH:5]=O)[CH3:2].[C:15](Br)(Br)([Br:17])[Br:16].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1>>[Br:16][C:15]([Br:17])=[CH:5][C:4]1[C:3]([CH2:1][CH3:2])=[C:10]([O:11][CH3:12])[CH:9]=[CH:8][C:7]=1[CH2:13][CH3:14]

Participants

4

Reactant 3

HCID 11205Carbon tetrabromideHCID 11776TriphenylphosphineHCID 58951904HCID 58951904, compound

Product 1

HCID 58951695HCID 58951695, compound

Procedure

2-(2,2-Dibromo-vinyl)-1,3-diethyl-4-methoxy-benzene was prepared from 2,6-diethyl-3-methoxy-benzaldehyde, carbon tetrabromide and triphenylphosphine in analogy to Example 1d): colourless oil; 1H-NMR (CDCl3): 1.08 (3H, t, CH3), 1.17 (3H, t, CH3), 2.55 (4H, m, 2×CH2), 3.81 (3H, s, OMe), 6.82 (1H, d, ArH), 7.05 (1H, d, ArH), 7.44 (1H, s, CH═CBr2).

Sources & evidence

ORD record
ord-3728eeb98edb49779f63e822b7855f2d
Source dataset
uspto-grants-2011_01
Patent number
US07875645B2

Reaction notes

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