Acetylene reacts smoothly with tribenzylaluminium both by ‘normal’ addition to the AlC bond and by aromatic substitution in ortho position; further addition reactions can take place.
乙炔通过AlC键以外的“正常”键和邻位的芳族取代基与三苄基铝平滑反应。可以发生进一步的加成反应。
Selective Friedel—Crafts Reactions. II.<sup>1a</sup> Alkylation of Olefins and Vinylbenzenes with α-Haloalkylbenzenes
作者:George A. Olah、S. J. Kuhn、D. G. Barnes
DOI:10.1021/jo01032a050
日期:1964.9
A New Type of Carbonylation of Styrenes Catalyzed by Pd(OAc)<sub>2</sub>Combined with Molybdovanadophosphate
A new type of carbonylation of styrenes was achieved under a 1:1 mixture of CO (0.5 atm) and O2 (0.5 atm) in the presence of Pd(OAc)2 combined with H5PMo10V2O40·nH2O to give 4-methyl-2-phenylnaphthalen-1(4H)-one in 78% yield. Various substituted styrenes were also carbonylated to the corresponding substituted arylnaphthalen-1(4H)-ones in moderate yields. The reaction was found to proceed in two stages involving the head-to-tail dimerization of styrenes, followed by carbonylation of the resulting dimers. Styrenes were efficiently dimerized under air (1 atm) in the absence of CO even at room temperature to produce head-to-tail dimers in good yields.