Efficient one-pot synthesis of 14-aryl-14H-dibenzo [a,j]xanthene derivatives promoted by niobium pentachloride
| Autor: | Luiz Carlos da Silva Filho, Aloisio de Andrade Bartolomeu, Manoel Lima de Menezes |
|---|---|
| Přispěvatelé: | Universidade Estadual Paulista (Unesp) |
| Jazyk: | angličtina |
| Rok vydání: | 2014 |
| Předmět: |
Xanthene
niobium pentachloride General Chemical Engineering Aryl One-pot synthesis Condensation Niobium chemistry.chemical_element General Chemistry 14-aryl-14H-dibenzo[a j]xanthene Biochemistry Industrial and Manufacturing Engineering Lewis acid chemistry.chemical_compound chemistry Materials Chemistry derivatives Organic chemistry one-pot condensation Lewis acids and bases |
| Zdroj: | Web of Science Repositório Institucional da UNESP Universidade Estadual Paulista (UNESP) instacron:UNESP |
| Popis: | Made available in DSpace on 2015-03-18T15:56:13Z (GMT). No. of bitstreams: 0 Previous issue date: 2014-11-01Bitstream added on 2015-03-18T16:28:26Z : No. of bitstreams: 1 WOS000341735100019.pdf: 266703 bytes, checksum: 01184754c509000458f9571df0f5899b (MD5) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) Pro-Reitoria de Pesquisa da UNESP (PROPe-UNESP) A simple and efficient procedure for the synthesis of 14-aryl-14H-dibenzo[a,j]xanthene derivatives through one-pot condensation of 2-naphthol with aryl aldehydes in the presence of niobium pentachloride is described. The reactions were carried out using 25 mole % of NbCl5, at ambient temperature, and in acceptable reaction times, affording excellent yields of the products. Sao Paulo State Univ UNESP, Fac Sci, Dept Chem, LaOSP, BR-17033360 Sao Paulo, Brazil Sao Paulo State Univ UNESP, Fac Sci, Dept Chem, LaOSP, BR-17033360 Sao Paulo, Brazil FAPESP: 12/23821-7 FAPESP: 13/08697-0 |
| Databáze: | OpenAIRE |
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