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Calix[4]arene based α-aminophosphonates: Novel carriers for zwitterionic amino acids transport

✍ Scribed by Igor S. Antipin; Ivan I. Stoikov; Evgueni M. Pinkhassik; Nataly A. Fitseva; Ivan Stibor; Alexander I. Konovalov


Publisher
Elsevier Science
Year
1997
Tongue
French
Weight
221 KB
Volume
38
Category
Article
ISSN
0040-4039

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✦ Synopsis


a series of calix [4]arene based ct-aminophosphonates were synthesized by the Kabachnik-Fields reaction of the calixarene-diamine (either at lower or upper rim), diethyl phosphite and a carbonyl compound (acetone or cyclohexanone). These compounds exhibited remarkable selectivity as carriers for the membrane transport of the zwitterionic form of aromatic amino acids.


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Enantioselective Recognition of Calix[4]
✍ Fang Liu; Guo-Yuan Lu; Wei-Jiang He; Zhen-Sheng Wang; Long-Gca Zhu 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 233 KB 👁 2 views

## Abstract The __p‐tetra__‐te__r__t‐butyl calix[4] arene derivatives (3 and 4) with (5,5) chiral bicyclic guanidinium, as the receptors of amino acid zwitterions, have been synthesized __via__ a O‐alkylation reaction of __p‐tetra__‐tert‐butyl calix [4] arene with cbJoromethyl chiral bicyclic guani