Organometallic acetylene chemistry II. Disubstituted acetylenes of the type R3MCCM′R3
作者:Wolfgang Findeiss、W. Davidsohn、M.C. Henry
DOI:10.1016/s0022-328x(00)91015-5
日期:1967.9
A series of organometallic acetylenes has been prepared which contain two different organometallic moieties from the Group IV elements. These compounds were synthesized via a convenient new route starting with the corresponding organometalamino compound, organometallic halide, and sodiumacetylide.
A [C<sub>1</sub> + C<sub>2</sub>] route to propargylidyne complexes
作者:Anthony F. Hill、Richard A. Manzano
DOI:10.1039/c9dt00876d
日期:——
reactions of [W(CBr)(CO)2(Tp*)] (Tp* = hydrotris(dimethylpyrazolyl)borate) with a range of terminal alkynes (RCCH), mediated by [Pd(PPh3)4] and CuI, afford new proparylidynes [W(C–CCR)(CO)2(Tp*)] [R = tBu, C6H4X (X = H, NH2, NO2), ferrocenyl, APh3 (A = C, Si, Ge), B(O2CCH2)2NMe]. Similar treatment of [W(CBr)(CO)2(Tp*)] with Ph2Si(CCH)2 affords the ditungstaoctatetrayne [W2(μ-C6)(CO)4(Tp*)2] while the