@article{oai:nagasaki-u.repo.nii.ac.jp:00004352,
 author = {Tanda, Kazuhiro and Eto, Ryo and Kato, Kazuya and Oba, Makoto and Ueda, Atsushi and Suemune, Hiroshi and Doi, Mitsunobu and Demizu, Yosuke and Kurihara, Masaaki and Tanaka, Masakazu},
 issue = {23},
 journal = {Tetrahedron},
 month = {Jun},
 note = {Chiral cyclic α,α-disubstituted α-amino acids with four chiral centers at their acetal moieties were synthesized. An X-ray crystallographic analysis of homo-chiral tripeptide with (2R,3R)-butane-2,3-diol acetal moieties revealed that the tripeptide formed both (P) and (M) helical structures, and all peptide main-chain N(i)-H were intramolecularly hydrogen-bonded with the side-chain acetal -O- of the same amino acid residues (i). The effect of the four chiral centers in the amino acid residue on the peptide backbone helical-screw control was very weak., Tetrahedron, 71(23), pp.3909-3914; 2015},
 pages = {3909--3914},
 title = {Peptide foldamers composed of six-membered ring α,α-disubstituted α-amino acids with two changeable chiral acetal moieties},
 volume = {71},
 year = {2015}
}