1-Bromo-4-ethylbenzene → 1-(4-Ethylphenyl)-4-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine

HRID 1850446Notes

Reaction equation

HRID 1850446 reaction equation
[CH3:1][C:2]1([CH3:20])[CH2:6][C:5]2[C:7]([CH3:19])=[C:8]([N:13]3[CH2:18][CH2:17][NH:16][CH2:15][CH2:14]3)[C:9]([CH3:12])=[C:10]([CH3:11])[C:4]=2[O:3]1.Br[C:22]1[CH:27]=[CH:26][C:25]([CH2:28][CH3:29])=[CH:24][CH:23]=1>>[CH2:28]([C:25]1[CH:26]=[CH:27][C:22]([N:16]2[CH2:15][CH2:14][N:13]([C:8]3[C:9]([CH3:12])=[C:10]([CH3:11])[C:4]4[O:3][C:2]([CH3:20])([CH3:1])[CH2:6][C:5]=4[C:7]=3[CH3:19])[CH2:18][CH2:17]2)=[CH:23][CH:24]=1)[CH3:29]

Participants

3

Reactant 2

HCID 153131-Bromo-4-ethylbenzeneHCID 667597311-(2,2,4,6,7-Pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine

Product 1

HCID 594850471-(4-Ethylphenyl)-4-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazineYield 38%

Procedure

By using 1-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine (210 mg, 0.765 mmol) synthesized in Reference example 61 and 1-bromo-4-ethylbenzene (212 mg, 1.15 mmol), the reaction was carried out in the same manner as Example 23 to synthesize the title compound 110 mg (yield 38%).

Sources & evidence

ORD record
ord-2b090a4ef9c74797be9038b74afe32d7
Source dataset
uspto-grants-2015_02
Patent number
US08957069B2

Reaction notes

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