Tetrahedron letters, 2011-07, Vol.52 (27), p.3492-3495
2011
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- Autor(en) / Beteiligte
- Titel
- An efficient and reusable heterogeneous catalyst Animal Bone Meal for facile synthesis of benzimidazoles, benzoxazoles, and benzothiazoles
- Ist Teil von
- Tetrahedron letters, 2011-07, Vol.52 (27), p.3492-3495
- Ort / Verlag
- Kidlington: Elsevier Ltd
- Erscheinungsjahr
- 2011
- Quelle
- Alma/SFX Local Collection
- Beschreibungen/Notizen
- A library of benzimidazoles, benzoxazoles, and benzothiazoles was efficiently synthesized by condensation of o-phenylenediamine, o-aminophenol, and o-aminothiophenol respectively with aromatic aldehydes in the presence of catalytic amounts of Animal Bone Meal (ABM) and Lewis acids doped ABMs. Reactions were conducted under reflux conditions in air. The remarkable features of this new protocol are high conversion, short reaction times, and cleaner reaction profiles, straightforward procedure, and reduction in catalyst toxicity.
- Sprache
- Englisch
- Identifikatoren
- ISSN: 0040-4039eISSN: 1873-3581DOI: 10.1016/j.tetlet.2011.04.121Titel-ID: cdi_hal_primary_oai_HAL_hal_04451526v1
- Format
- –
- Schlagworte
- Air, Animal Bone Meal, Animals, Benzimidazoles, Benzothiazoles, Benzoxazoles, Bones, Catalysis, Catalysts, Catalysts: preparations and properties, Chemical Sciences, Chemistry, Conversion, Exact sciences and technology, General and physical chemistry, Heterocyclic compounds, Heterocyclic compounds with n hetero atom and also o and/or s, se, te hetero atoms, Heterocyclic compounds with several n hetero atoms in the same ring, in separated rings or in fused rings, Lewis acid, Lewis acids, Meals, Medicinal Chemistry, Organic chemistry, Preparations and properties, Tetrahedrons, Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry, Toxicity