Functional polymers. XXX: 2(2,4,6-trihydroxyphenyl) 2h-benzotriazole [2(2h-benzotriazole-2-yl)-1,3,5-trihydroxybenzene] and benzotriazole-substituted dihydrocoumarins
✍ Scribed by Shanjun Li; W. Bassett Jr.; Fu Xi; O. Vogl
- Publisher
- John Wiley and Sons
- Year
- 1985
- Tongue
- English
- Weight
- 553 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0323-7648
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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
In the title compound, C 16 H 10 Cl 2 N 6 O, molecules are linked into a dimer by a pair of C-HÁ Á ÁN hydrogen bonds. The packing is further stabilized by ainteraction.
In order to see the effects of non-bonding electrons in oxygen atoms on the cleavage of a bond between N-I of the benzotriazole moiety and the a-carbon atom bonded to N-I by lithium (6a) and sodium naphthalenides (6b), 2-[2-aryl-2-(benzotriazol-l-yl)ethyl]tetrahydro-2H-pyrans (4), and 2-[2aryl-2-(be