作者:Marilé Landman、Helmar Görls、Simon Lotz
DOI:10.1002/1521-3749(200209)628:9/10<2037::aid-zaac2037>3.0.co;2-t
日期:2002.9
monocarbene complex [Mo(CO)5C(OEt)TH](1), [Mo(CO)5C(OEt)T-TH] (4), [Mo(CO)5C(OEt)T'T'H] (7) or [Mo(CO)5C(OEt)TTTH] (10) was obtained as a byproduct of the reaction. The more reactive biscarbene complexes of thiophene, [Mo(CO)5C(OEt)TC(OEt)Mo(CO)5](2), 2, 2'-bithiophene, [Mo(CO)5C(OEt)T-TC(OEt)Mo(CO)5](5), and 3, 6-dimethylthieno[3, 2-b]thiophene, [Mo(CO)5C(OEt)T'T'C(OEt)Mo(CO)5] (8), yielded, upon
双核钼双碳烯配合物 [M(CO)5C(OEt)spacerC(OEt)M(CO)5],采用经典的 Fischer 方法合成。每种情况下的连接间隔单元都是杂环噻吩衍生物,包括去质子化噻吩 (HTH) 2, 2, 2'-联噻吩 (HT-TH) 5, 3, 6-二甲基噻吩并 [3, 2-b] 噻吩 (HT' T'H) 8 以及二噻吩并 [3, 2-b;2', 3'-d] 噻吩 (HTTTH) 11. 在每种情况下,特定的单卡宾配合物 [Mo(CO)5C(OEt)TH] (1), [Mo(CO)5C(OEt)T-TH] (4), [Mo(CO)5C(OEt)T'T'H] (7) 或 [Mo(CO)5C(OEt)TTTH] ] (10) 作为反应的副产物获得。噻吩的活性更强的双卡宾配合物,[Mo(CO)5C(OEt)TC(OEt)Mo(CO)5](2), 2, 2'-联噻吩,[Mo(CO)5C(OEt)T-TC