CC-Coupling Reactions of Group 6 Allenylidenes with Ynamines: Formation of New Cyclobutenylidene and Pentatrienylidene Complexes
作者:Gerhard Roth、David Reindl、Martin Gockel、Carsten Troll、Helmut Fischer
DOI:10.1021/om971102+
日期:1998.3.1
The reaction of the diarylallenylidene complexes [(CO)5MCCC(C6H4R-p)2] (M = Cr (1), W (2); R = H (a), Me (b), OMe (c), NMe2 (d)) with the ynamines MeC⋮CNEt2 and PhC⋮CNEt2 affords two products: alkenylallenylidene (3, 5) and cyclobutenylidene complexes (4, 6). The alkenylallenylidene complexes [(CO)5MCCC(NEt2)C(R‘)C(C6H4R-p)2] (R‘ = Me, M = Cr (3), W (5), R = H (a), Me (b), OMe (c), NMe2 (d); R‘ =
二芳基亚烯基配合物的反应[(CO)5 M C C C(C 6 H 4 R- p)2 ](M = Cr(1),W(2); R = H(a),Me(b) ,OME(ç),NME 2(d))与ynamines的MeC⋮CNET 2和光子晶体⋮CNET 2只得到两种产物:alkenylallenylidene(3,5)和cyclobutenylidene络合物(4,6)。烯基亚烯基络合物[(CO)5 MC C C(NEt 2)C(R')C(C 6 H 4 R- p)2 ](R'= Me,M = Cr(3),W(5),R = H(a),Me (b),OMe(c),NMe 2(d); R'= Ph,M = Cr(3),R = OMe(e),NMe 2(f))是通过C⋮C键的环加成反应形成的胺对1和2的C 2 C 3键的影响,以及随后的环还原。环丁烯基= Me,M = Cr(4),W(6),R = H(a),Me(b),OMe(c),NMe