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. 2015 Dec 23;138(2):688–695. doi: 10.1021/jacs.5b12057

Figure 2.

Figure 2

X-ray crystal structures of (a) N3Aib7OCH2CH2TMS 3, (b) N3Aib8OCH2CH2TMS 4 with CH3CN, and (c) N3Aib11OCH2CH2TMS 7. Foldamer–foldamer interactions of N3Aib7OCH2CH2TMS 3 in the solid state, involving hydrogen bonds from (d) the first and (e) the second N-terminal Aib residue to the C-terminus of a neighboring foldamer. Selected hydrogen bonds are shown in green; black arrows indicate the continuation of the foldamer chains.