Phosphorus trichloride → 6-[chloro(4-chlorophenyl)methyl]-1-methyl-1H-benzotriazole

Reaction equation

[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([CH:8]([C:10]2[CH:11]=[CH:12][C:13]3[N:17]=[N:16][N:15]([CH3:18])[C:14]=3[CH:19]=2)O)=[CH:4][CH:3]=1.P(Cl)(Cl)[Cl:21]>>[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([CH:8]([C:10]2[CH:11]=[CH:12][C:13]3[N:17]=[N:16][N:15]([CH3:18])[C:14]=3[CH:19]=2)[Cl:21])=[CH:4][CH:3]=1

Participants

Reactant 2

HCID 24387Phosphorus trichloride

HCID 14990605alpha-(4-chlorophenyl)-1-methyl-1H-benzotriazole-6-methanol

Product 1

HCID 149906726-[chloro(4-chlorophenyl)methyl]-1-methyl-1H-benzotriazole

Procedure

The alcohol (d) is reacted with phosphorus trichloride, yielding the title compound.

Sources & evidence

ORD record: ord-33173e7235b9400e89281836a74bd0fa
Source dataset: uspto-grants-1991_12
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US05073574

Reaction notes

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