The 'H NMR technique was applied for the measurement of the isomerization rates of N-ethyl-N-[( benzotriazol-1-y1)methyllaniline (4) and 4-butyl-N-[( benzotriazol-1-y1)methylIaniline (7) to the corresponding benzotriazol-2-yl isomers in dioxane-d8 at 35°C. The rate constants obtained for pure dioxan
Preparation of various enantiomerically pure (benzotriazol-1-yl)- and (benzotriazol-2-yl)-alkan-2-ols
✍ Scribed by Beata K. Pchelka; André Loupy; Alain Petit
- Book ID
- 108284131
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 337 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0957-4166
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The compound 1,2-bis(benzotriazol-1-yl)ethane (BBTA) was prepared and its structure was determined by X-ray analysis. The compound crystallizes in monoclinic space group P2 1 /c with aZ7.526(2) A ˚, bZ10.836(2) A ˚, cZ8.412(2) A ˚, bZ116.629(5)8, VZ613.2(3) A ˚3, ZZ2, and DZ1.431 Mg/m 3 . The struct
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