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Polymer-Supported Cinchona Alkaloid-Derived Ammonium Salts as Recoverable Phase-Transfer Catalysts for the Asymmetric Synthesis of α-Amino Acids†

Alkaloids such as cinchonidine, quinine and N-methylephedrine have been N-alkylated using polymeric benzyl halides or co-polymerized and then N-alkylated, thus affording a series of polymer-supported chiral ammonium salts which have been employed as phase-transfer catalysts in the asymmetric benzyla...

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Dettagli Bibliografici
Pubblicato in:Molecules
Autori principali: Chinchilla, Rafael, Mazón, Patricia, Nájera, Carmen
Natura: Artigo
Lingua:Inglês
Pubblicazione: MDPI 2004
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Accesso online:https://ncbi.nlm.nih.gov/pmc/articles/PMC6147302/
https://ncbi.nlm.nih.gov/pubmed/18007436
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.3390/90500349
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