Research Article

Crystal Structures of Two Macrocyclic Bischalcones Possessing 26-Membered Rings

Table 3

Intermolecular hydrogen bonds, intramolecular C–H⋯O, and C–H⋯π supramolecular interactions in 1 and 2.

D–H⋯ASymmetryD–H
(Å)
H⋯A
(Å)
D⋯A
(Å)
D–H⋯A
(Å)

Compound 1C8–H8B⋯O20.97002.54003.469(3)162
C14–H14⋯O60.93002.60003.411(2)146
C16–H16⋯O20.931(15)2.295(15)2.717(2)107
C29–H29B⋯O60.97002.45003.382(2)161
C37–H37⋯O50.970(17)2.243(17)2.726(2)109
C38–H38⋯O11.01(2)2.323(19)2.717(3)101
C7–H7B⋯phenyl ring0.97002.85003.708(2)148

Compound 2C8–H8B⋯O20.97002.48002.852(11)103
C9–H9B⋯O10.97002.41002.809(10)104
C21–H21⋯O30.93002.51003.407(13)161
C34–H34⋯O60.93002.47003.371(13)164
C14–H14⋯phenyl ring0.93002.82003.735167