Research Article

Crystal Structures of Two Macrocyclic Bischalcones Possessing 26-Membered Rings

Table 2

Selected bond lengths (Å) and bond angles (°) of 1 and 2.

Selected bond lengths for 1Selected bond lengths for 2

C(15)–C(16)1.458(3)C(16)–C(17)1.424(6)
C(16)–C(17)1.324(3)C(17)–C(18)1.378(6)
C(17)–C(18)1.458(3)C(18)–C(19)1.438(7)
C(18)–C(19)1.359(3)C(11)–O(2)1.343(5)
O(1)–C(1)1.359(13)C(10)–O(2)1.425(5)
O(1)–C(7)1.426(11)C(19)–O(3)1.263(4)

Selected bond angles for 1Selected bond angles for 2

C(6)–C(38)–C(37)127.07(19)C(1)–C(38)–C(37)130.30(4)
C(15)–C(16)–C(17)128.36(16)C(36)–C(37)–C(38)127.00(4)
C(17)–C(18)–C(17)119.03(15)C(16)–C(17)–C(18)127.31(5)
C(35)–C(36)–C(37)122.38(15)C(17)–C(18)–C(19)123.50(5)
C(7)–C(8)–C(9)114.60(19)C(7)–C(8)–C(9)114.80(4)
C(25)–C(26)–C(27)113.83(15)C(8)–C(9)–C(10)113.30(4)
C(26)–C(27)–C(28)112.85(15)C(26)–C(27)–C(28)116.00(4)
C(27)–C(28)–C(29)114.31(17)C(27)–C(28)–C(29)113.10(4)
C(29)–O(5)–C(30)120.22(14)C(6)–O(1)–C(7)121.32(4)
C(24)–O(4)–C(25)119.39(13)C(10)–O(2)–C(11)122.42(4)
C(9)–O(2)–C(10)118.99(14)C(30)–O(5)–C(29)120.05(3)
C(1)–O(1)–C(7)117.07(17)C(25)–O(4)–C(26)118.66(6)