Mechanism of reduction of double bond under chemical ionization conditions
β Scribed by K. P. Madhusudanan; V. Sreenivas Murthy; D. Fraisse
- Publisher
- John Wiley and Sons
- Year
- 1987
- Tongue
- English
- Weight
- 430 KB
- Volume
- 22
- Category
- Article
- ISSN
- 1076-5174
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## Abstract For Abstract see ChemInform Abstract in Full Text.
Ammonium tribromides are a new class of brominating reagents. Among these, tetrabutylammonium tribromide (TBABr,) allowed the selective bromination of organic com-pound~,'-~ such as phenols and aromatic amines in the condensed phase.
Under ammonia chemical ionization (CI) conditions triarylpropenones undergo hydrogen radical-induced olefinic bond reduction on metal surfaces, resulting in [M + 2H + NHJ' ions corresponding to the ammonium adduct of the saturated ketone. The decomposition of the adduct ions, (MNH,]' and (M + 2H + N