Recyclable Self-Assembly-Supported Catalytic System for Orthoalkylation

Recyclable Self-Assembly-Supported Catalytic System for Orthoalkylation

A new recyclable supported catalyst system for orthoalkylation was devised using a self-assembly consisting of the barbiturate and 2,4,6-triaminopyrimidine H-bonding motifs. At high temperature, the system is completely homogeneous so as to give an efficient catalytic activity, while it is heterogen...

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Veröffentlicht in:Organic letters 2005-07, Vol.7 (14), p.2889-2892
Hauptverfasser: Yoon, Jong Huem, Park, Young Jun, Lee, Jun Hee, Yoo, Jaeho, Jun, Chul-Ho
Format: Artikel
Sprache:eng
Schlagworte:
Alkylation
Barbiturates - chemistry
Catalysis
Chemistry, Organic - instrumentation
Chemistry, Organic - methods
Hydrogen Bonding
Molecular Structure
Pyrimidines - chemistry
Temperature
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Zusammenfassung:A new recyclable supported catalyst system for orthoalkylation was devised using a self-assembly consisting of the barbiturate and 2,4,6-triaminopyrimidine H-bonding motifs. At high temperature, the system is completely homogeneous so as to give an efficient catalytic activity, while it is heterogenized at room temperature to form an insoluble solid phase for the easy recovery of the catalyst after the reaction.
ISSN:1523-7060
1523-7052
DOI:10.1021/ol050865n