1978
DOI: 10.1021/ja00482a041
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Host-guest complexation. 12. Total optical resolution of amine and amino ester salts by chromatography

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Cited by 229 publications
(72 citation statements)
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“…If a chiral crown ether is used, the inclusion of primary amines is stereoselective (Figure 3). This principle was introduced by Cram and coworkers [145]. This group prepared crown ether phases based on polystyrene or silica for classical LC and demonstrated the applicability of these phases to the chiral separation of amino acids [146].…”
Section: Synthetic Chiral Macrocyclesmentioning
confidence: 99%
“…If a chiral crown ether is used, the inclusion of primary amines is stereoselective (Figure 3). This principle was introduced by Cram and coworkers [145]. This group prepared crown ether phases based on polystyrene or silica for classical LC and demonstrated the applicability of these phases to the chiral separation of amino acids [146].…”
Section: Synthetic Chiral Macrocyclesmentioning
confidence: 99%
“…[236] Synthetische neutrale Moleküle mit geringem Molekulargewicht (Donor-Akzeptor-Phasen/Pirkle-Phasen) Die erste kommerzialisierte CSP mit vollständig synthetischen Selektoren wurde von Pirkle und Mitarbeitern entwickelt. [200] Als Selektor wurde ein DNB-Phenylglycinderivat verwendet, das ionisch auf Kieselgel immobilisiert wurde.…”
Section: Makromolekulare Selektoren Natürlichen Ursprungs (Proteinphaunclassified
“…26 Cram e colaboradores, na década de 70, prepararam as primeiras CSPs por imobilização do bis(1,1'-binaftil)-22-coroa-6 em sílica gel e poliestireno, as quais apresentaram razoável resolução dos enantiômeros de a-aminoácidos e seus derivados. 129,130 Posteriormente, em 1987, Shinbo et al 131 desenvolveram uma CSP usando (3,3'-difenil-1,1'-binaft-2,2'-diil)-20-coroa-6 adsorvida em octadesil sílica. Essa CSP comercializada pela Daicel (Crownpak ® CR) é útil para resoluções cromatográficas de compostos quirais contendo grupos amino primários.…”
Section: éTeres De Coroaunclassified