Solid-State Structural Study of the Charge-Transfer Complexes of 5,7,9-Trimethyl- and 2,11,20-Trithia[33](1,3,5)cyclophanes
作者:Mikio Yasutake、Koji Araki、Ming Zhou、Rika Nogita、Teruo Shinmyozu
DOI:10.1002/ejoc.200390190
日期:2003.3
side and 3.26 A for the methyl-substituted side. In the 2,11,20-trithia[33](1,3,5)cyclophane (4)-TCNQ-F4 (1:1) complex, an alternating D-A stacking similar to that in [33](1,3,5)cyclophane (2)-TCNQ-F4 (1:1) is observed. The acceptors are stacked in a parallel fashion and form an infinite column, the A−A distance in the (4)-TCNQ-F4 (1:1) complex being 3.10 A, and the acceptors in the unit cell are arranged
5,7,9-Trimethyl[33](1,3,5)cyclophane (1), 具有两个不同供体能力的结合位点,在固态 (-170 °C) 和 CD2Cl2 溶液中均采用 C3 构象在-90°C。5,7,9-Trimethyl[33](1,3,5)cyclophane-2,11,20-trione (9) 具有相同的 C3 对称性,而 [33](1,3,5)cyclophane-2, 11,20-三酮 (12) 在固态 (-170 °C) 下采用 Cs 结构。1和9的结构是[33](1,3,5)环烷中C3或C3h对称性的第一个例子;他们首选的构象异构体是溶液和固态的 Cs。环烷 1 显示出比亲本 [33](1,3,5)环烷 (2) 强得多的捐赠能力。在1的TCNQ-F4(1:1)复合物中,供体(D)和受体(A)交替堆叠,在固态(-170°C)中以甲基取代苯面和TCNQ-F4的部分DA重