in diethyl ether; benzene Kinetics; byproducts: ((14)C6H5Li; radical exchange between PhLi and Ph4Pb in benzene-diethyl ether in presence of several salts MX (M=Li, Na, K; X=Cl, Br, I) at 298°C; react. mechanism proposed;;
参考文献
Radiokhimiya, , vol. 33, p. 294 - 298
Radiokhimiya, , vol. 33 - 3, p. 99 - 103
in chloroform to refluxing soln. of Ph2Pb2 in chloroform is added dropwise chloroformsoln. of (C6F5)3SbCl2 and mixt. is refluxed for 5 h; mixt. is cooled at ice temp., solid is filtered off;
参考文献
Polyhedron, , vol. 4, p. 251 - 258
→
反应条件
in diethyl ether; benzene Kinetics; constant temp. (20, 30, 35 or 40°C); monitoring by radiometric anal.;
参考文献
Journal of General Chemistry USSR (English Translation), , vol. 52, p. 752 - 755
Zhurnal Obshchei Khimii, , vol. 52, p. 865 - 868
→
反应条件
in chloroform to refluxing soln. of Ph2Pb2 in chloroform is added dropwise chloroformsoln. of (C6F5)3Sb(NCO)2 (molar ratio 1:1) and mixt. is refluxed for 5 h; mixt. is cooled at ice temp., solid is filtered off; Ph2Pb(NCO)2 - elem. anal.; filtrate is concd. to dryness under vac and treated with n-hexane/benzene mixt. (1:1), insol. - Ph4Pb; filtrate is concd. and cooled - (C6F5)3Sb;
