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Benzoyl chloride → 4-(4-Chlorobenzoyl) 3,5-dichlorotoluene

HRID 1450464
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HRID 1450464 반응식
NC1N([CH2:7][C:8]2[CH:13]=[C:12]([Cl:14])[C:11]([C:15](=[O:23])[C:16]3[CH:21]=[CH:20][C:19]([Cl:22])=[CH:18][CH:17]=3)=[C:10]([Cl:24])[CH:9]=2)N=NC=1C(N)=O.C(Cl)(=O)C1C=CC=CC=1.S(Cl)(Cl)=O.[Cl-].[Cl-].[Cl-].[Al+3]>CN(C)C=O.ClC1C=CC=CC=1>[Cl:22][C:19]1[CH:20]=[CH:21][C:16]([C:15]([C:11]2[C:12]([Cl:14])=[CH:13][C:8]([CH3:7])=[CH:9][C:10]=2[Cl:24])=[O:23])=[CH:17][CH:18]=1
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참가 물질

7

반응물 4

HCID 7412Benzoyl chloride2회HCID 24386Thionyl ChlorideHCID 108144CarboxyamidotriazoleHCID 6451240Aluminum(III) Chloride

생성물 1

HCID 136496514-(4-Chlorobenzoyl) 3,5-dichlorotoluene

시약·촉매·용매 2

HCID 6228Dimethylformamide용매
HCID 7964Chlorobenzene용매

실험 절차

Compound 1 can be prepared by the method described in U.S. Pat. No. 4,590 201 Briefly, 2 6-dichloro-4-methylbenzoic acid is converted to its corresponding benzoyl chloride using thionyl chloride in dimethylformamide. Reaction of this benzoyl chloride with chlorbenzene in the presence of aluminum trichloride provides 4-(4-chlorobenzoyl)-3,5-dichlorotoluene. Bromination of the methyl group is carried out using N-bromosuccinimide in the presence of catalytic amounts of dibenzoyl peroxide to provide 4-(4-chlorobenzoyl)-3,5-dichlorobenzyl bromide. The benzyl bromide is then converted to the corresponding benzyl azide using potassium azide. Treatment of the 4(4-chlorobenzoyl)-3,5-dichlorobenzyl azide thus formed with 2-cyanoacetamide in the presence of sodium methoxide provides after workup, 5-amino-l-(4-(4-chlorobenzoyl)-3,5-dichlorobenzyl)- 1,2,3-triazole-4-carboxamide (Compound 1).

출처 및 근거

ORD 기록
ord-9b4064c19d1244808a3940e9304f2627
출처 데이터셋
uspto-grants-1997_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05602156

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