Robust trans-Amide Helical Structure of Oligomers of Bicyclic Mimics of β-Proline: Impact of Positional Switching of Bridgehead Substituent on Amide cis-trans Equilibrium.
Wang, Siyuan; Otani, Yuko; Liu, Xin; Kawahata, Masatoshi; Yamaguchi, Kentaro; Ohwada, Tomohiko; The Journal of organic chemistry 79 (2014) 5287–5300; doi:10.1021/jo500916j

data_4029455
_publ_section_title
;
 Robust trans-Amide Helical Structure of Oligomers of Bicyclic Mimics of
 \b-Proline: Impact of Positional Switching of Bridgehead Substituent on
 Amide cis-trans Equilibrium.
;
_journal_issue                   11
_journal_name_full               'The Journal of organic chemistry'
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_journal_paper_doi               10.1021/jo500916j
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_journal_year                    2014
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;
 Flack x determined using 2302 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons and Flack (2004), Acta Cryst. A60, s61).
;
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_refine_ls_structure_factor_coef Fsqd
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;
 w=1/[\s^2^(Fo^2^)+(0.0282P)^2^]
 where P=(Fo^2^+2Fc^2^)/3
;
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'Adding full bibliography for 4029450--4029455.cif.'
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