Functional polymers. XXVII: 2[2-hydroxy-4-acryloxy(methacryloxy)phenyl]2H-benzotriazole: Monomers, polymers, and copolymers
✍ Scribed by Shanjun Li; Ann-Christine Albertsson; Amitava Gupta; Walter Bassett; Otto Vogl
- Publisher
- Springer Vienna
- Year
- 1984
- Tongue
- English
- Weight
- 751 KB
- Volume
- 115
- Category
- Article
- ISSN
- 0026-9247
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## Abstract 2(2‐Hydroxy‐5‐isopropenylphenyl)2H‐benzotriazole was synthesized in 40% overall yield starting from __o__‐nitroaniline. Diazotization in aqueous hydrochloric acid gave __o__‐nitrophenyl diazonium chloride which was condensed with __p__‐hydroxyacetophenone; the azo compound was reduced t
## Abstract The synthesis of 2(2‐hydroxy‐5‐methylphenyl)‐5‐vinyl‐2H‐benzotriazole was accomplished in seven steps starting from 4‐ethylaniline. Acetylation and nitration followed by hydrolysis gave 2‐nitro‐4‐cthylaniline which was diazotized, condensed with __p__‐cresol, and reduced to 2(2‐hydroxy‐