Conformational Study of Heteropentapepti
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Masakazu Tanaka; Makoto Oba; Naoto Imawaka; Yoshitsugu Tanaka; Masaaki Kurihara;
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Article
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2001
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John Wiley and Sons
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German
⚖ 206 KB
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Heteropentapeptides containing the a-ethylated a,a-disubstituted amino acid (S)-butylethylglycine and four dimethylglycine residues, i.e., CF 3 CO-[(S)-Beg]-(Aib) 4 -OEt (4) and CF 3 CO-(Aib) 2 -[(S)-Beg]-(Aib) 2 -OEt (7), were synthesized by conventional solution methods. In the solid state, the pr