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A heterogeneous cobalt(II) Salen complex as an efficient and reusable catalyst for acetylation of alcohols and phenols

✍ Scribed by Fatemeh Rajabi


Book ID
104096016
Publisher
Elsevier Science
Year
2009
Tongue
French
Weight
166 KB
Volume
50
Category
Article
ISSN
0040-4039

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✦ Synopsis


Acetylation of various alcohols and phenols was performed successfully using an immobilized cobalt(II) catalyst in high yield. The catalyst shows high thermal stability and was also recovered and reused at least 10 times without any considerable loss of activity.


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## Abstract Various 2‐arylbenzimidazoles were synthesized from phenylenediamines and aromatic aldehydes __via__ a one‐step process in the presence of a catalytic amount of a cobalt‐salen complex supported on activated carbon [CoxO‐Co(salen) **11**] at room temperature. The salient features of this