Ethanone, 1-[3-(2H-benzotriazol-2-yl)-4-hydroxyphenyl]- → HCID 14418980, compound

HRID 1194089Notes

Reaction equation

[OH:1][C:2]1[CH:7]=[CH:6][C:5]([C:8](=O)[CH3:9])=[CH:4][C:3]=1[N:11]1[N:15]=[C:14]2[CH:16]=[CH:17][CH:18]=[CH:19][C:13]2=[N:12]1.[BH4-].[Na+].S([O-])(O)(=O)=O.[K+]>>[OH:1][C:2]1[CH:7]=[CH:6][C:5]([CH:8]=[CH2:9])=[CH:4][C:3]=1[N:11]1[N:15]=[C:14]2[CH:16]=[CH:17][CH:18]=[CH:19][C:13]2=[N:12]1

Participants

Reactant 3

HCID 158568Ethanone, 1-[3-(2H-benzotriazol-2-yl)-4-hydroxyphenyl]-

HCID 516920Potassium bisulfate

HCID 4311764Sodium borohydride

Product 1

HCID 14418980HCID 14418980, compound

Procedure

The 2(2-hydroxy-5-acetylphenyl)2H-benzotriazole (2H5A) thus produced may then be (1) reduced with sodium borohydride followed by dehydration with potassium hydrogen sulfate to produce 2(2-hydroxy-5-vinylphenyl)2H-benzotriazole (2H5V), or (2) reacted with a methyl Grignard reagent and dehydrated with potassium hydrogen sulfate to produce 2(2-hydroxy-5-isopropenylphenyl)2H-benzotriazole (2H5P).

Sources & evidence

ORD record: ord-69a0e988ae674dc384053901a06cda03
Source dataset: uspto-grants-1989_03
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US04812575

Reaction notes

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