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Start Over Author "Kazem-Rostami, Masoud" Publisher elsevier b.v.
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2. Discovery of an in situ carbocationic system using trityl chloride as a homogeneous organocatalyst for the solvent-free condensation of β-naphthol with aldehydes and amides/thioamides/alkyl carbamates in neutral media

Author

Khazaei, Ardeshir, Zolfigol, Mohammad Ali, Moosavi-Zare, Ahmad Reza, Abi, Fereshteh, Zare, Abdolkarim, Kaveh, Hamideh, Khakyzadeh, Vahid, Kazem-Rostami, Masoud, Parhami, Abolfath, and Torabi-Monfared, Hossein

Subjects
*CARBOCATIONS, *CHLORIDES, *HOMOGENEOUS catalysis, *SOLVENTS, *CONDENSATION reactions, *NAPHTHOL, *ALDEHYDES, *CARBAMATES
Abstract

Abstract: Trityl chloride (TrCl), efficiently catalyzes the one-pot multi-component condensation of β-naphthol with aromatic aldehydes and amides/thioamides/carbamates such as acetamide, benzamide, nicotinamide, thioacetamide, and methylcarbamate under solvent-free and neutral conditions to afford 1-amido-alkyl-2-naphthols, 1-thioamido-alkyl-2-naphthols, and 1-carbamato-alkyl-2-naphthols in high yields and very short reaction times. Mechanistically, it is interesting that trityl chloride through the in situ generation of trityl carbocation with inherent instability is efficient as a reusable homogeneous organocatalyst in neutral media. [Copyright &y& Elsevier]

Published
2013
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