p-Bromochlorobenzene → 1-(4-Chlorophenyl)-4-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine

HRID 1850441Notes

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]([Cl:28])=[CH:24][CH:23]=1>>[Cl: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

Participants

Reactant 2

HCID 7806p-Bromochlorobenzene

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

Product 1

HCID 594851081-(4-Chlorophenyl)-4-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazineYield 26%

Procedure

By using 1-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine (274 mg, 1.00 mmol) synthesized in Reference example 61 and 1-bromo-4-chlorobenzene (287 mg, 1.50 mmol), the reaction was carried out in the same manner as Example 23 to obtain the title compound 100 mg (yield 26%).

Sources & evidence

ORD record: ord-f47fe03e2bb442b99d133b33c8b47a16
Source dataset: uspto-grants-2015_02
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08957069B2

Reaction notes

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