1 结果与讨论
图1 化合物2(左)和3(右)的50%热椭圆球体晶体结构图Figure 1 X-ray crystal structures of compounds 2 (left) and 3 (right) with thermal ellipsoids at 50% probability |
表1 FLP-型化合物1~4和6, 7中(o-TMP-C6H4)Al和AlH基的键长(nm)和健角(°)Table 1 Bond lengths (nm) and angles (°) for (o-TMP-C6H4)Al and AlH moieties of the FLP compounds 1~4 and 6, 7 |
| Compd. | Al—C | Al—N | C—Al—N | Al—H |
|---|---|---|---|---|
| 1a | 0.1944(1) | 0.2311(1) | 66.90(1) | 0.1478(18) 0.1585(16) |
| 2 | 0.1990(7) 0.1990(7) | 0.2416(6) 0.2461(6) | 64.30(2) 64.70(2) | 0.1520(4) |
| 3 | 0.1959(4) 0.1987(3) | 0.2678(3) 0.3129 | 51.70 60.0(6) | |
| 4 | 0.1937(2) | 0.2233(2) | 68.70(9) | 0.1520(2) 0.1967(2) |
| 6 | 0.1918(3) | 0.2133(2) | 71.25(8) | 0.1740(2) 0.1868(18) |
| 7 | 0.1940(2) | 0.2288(2) | 67.59(7) | 0.1596(2) 0.1940(18) |
a The bond parameters were taken from Ref. [13]. |
图式5 化合物1脱吲哚NH氢的放氢反应及其FLP型协同作用的机理Scheme 5 H2-Liberation reaction by dehydrogenation of the NH of indole using compound 1 and the related FLP-type concerted activation mechanism |