2-Bromobenzyl bromide → Ethyl 4-(4-(2-Bromobenzyl)piperazin-1-yl)benzoate

HRID 661346Notes

Reaction equation

HRID 661346 reaction equation
[N:1]1([C:7]2[CH:17]=[CH:16][C:10]([C:11]([O:13][CH2:14][CH3:15])=[O:12])=[CH:9][CH:8]=2)[CH2:6][CH2:5][NH:4][CH2:3][CH2:2]1.[Br:18][C:19]1[CH:26]=[CH:25][CH:24]=[CH:23][C:20]=1[CH2:21]Br.CCN(C(C)C)C(C)C>C(#N)C>[Br:18][C:19]1[CH:26]=[CH:25][CH:24]=[CH:23][C:20]=1[CH2:21][N:4]1[CH2:3][CH2:2][N:1]([C:7]2[CH:8]=[CH:9][C:10]([C:11]([O:13][CH2:14][CH3:15])=[O:12])=[CH:16][CH:17]=2)[CH2:6][CH2:5]1

Participants

5

Reactant 3

HCID 769652-Bromobenzyl bromideHCID 81531DiisopropylethylamineHCID 2761178Ethyl 4-(piperazin-1-yl)benzoate

Product 1

HCID 16109102Ethyl 4-(4-(2-Bromobenzyl)piperazin-1-yl)benzoate

Reagents, catalysts & solvents 1

HCID 6342AcetonitrileSolvent

Procedure

A mixture of EXAMPLE 1A (23.43 g), 2-bromobenzyl bromide (26.24 g), and DIEA (20.94 mL) in acetonitrile (200 mL) at 25° C. was stirred for 2 hours and filtered.

Workup

  1. filtrationfiltered

Sources & evidence

ORD record
ord-113da512f3b34f43b7bba10269e473ee
Source dataset
uspto-grants-2011_12
Patent number
US08084607B2

Reaction notes

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