A Copper-Benzotriazole-Based Coordination Polymer Catalyzes the Efficient One-Pot Synthesis of (N′-Substituted)-hydrazo-4-aryl-1,4-dihydropyridines from Azines
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Efficient one-pot synthesis of 14-aryl-14 -dibenzo[ , ]xanthene derivatives promoted by niobium pentachloride
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. c © 2014 Institute o...
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ژورنال
عنوان ژورنال: Advanced Synthesis & Catalysis
سال: 2016
ISSN: 1615-4150
DOI: 10.1002/adsc.201601072