Selective catalytic hydrogenation of the pyridine ring in arylpyridines and condensed pyridine systems (review)
β Scribed by M. A. Ryashentseva; N. S. Prostakov
- Publisher
- Springer US
- Year
- 1992
- Tongue
- English
- Weight
- 521 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0009-3122
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π SIMILAR VOLUMES
The cun/H~02 and Cut/H202 systems for the functionalisation of saturated hydrocarbons are presented. A mechanism is proposed.
Both the sulfinyl and sulfonyl groups directly bound to 2 or 4 position in pyridine were readily displaced by several nucleophiles such as RO-and RS-. The facility of the leaving groups is RS022RSO>BrzC1))RS (R:alkyl or benzyl). The ipso-substitution could be applied for the synthesis of new type of
The intermolecular hydrogen bond and proton transfer of the system, acetic acid -pyridine was investigated by means of the semi-empirical PCILO (Perturbative Configuration Interaction using Localised Orbitals) method. A potential curve with a single minimum was found in the 1:l complex of acetic ac