compound (Cr(CO)5As(C6H5)H)2, 1, reacts under thermal Pt-catalysis with dienes in Diels—Alder type reactions to give the cycloadducts 2. Whereas the formation of the acrolein adduct 3 suggests a stepwisereaction, the isolation of diarsene-complexes 4 in the system Pd/C / L (L = donor ligand) suggests a synchronous mechanism. As side products in these reactions, oligocyloarsane-complexes RnAsn(Cr(CO)5)m (n
化合物(铬(CO)5如(C 6 H ^ 5)H)2,1,在热的Pt催化与第尔斯-阿尔德型反应二烯发生反应,得到cycloadducts 2。丙烯醛加合物3的形成表明反应是逐步的,而在Pd / C / L系统(L =供体配体)中二砷配合物4的分离表明存在同步机制。作为这些反应中的副产物,形成了低聚环戊烷络合物R n As n(Cr(CO)5)m(n = 4,5; m = 1,2),5。
HUTTNER, G.;JIBRIL, I., ANGEW. CHEM., 1984, 96, N 9, 709-710