in tetrahydrofuran byproducts: LiCl, 1,3-[P(O)(OEt2)2]2-4-tert-Bu-C6H3; (N2); soln. of Ph3SnLi in THF added dropwise to soln. of tin compd. in THF at -40°C; soln. stirred at -40°C for 15 h; concd. (vac., -20°C); not isolated; NMR monitoring;
in further solvent(s) Irradiation (UV/VIS); Ar-atmosphere; excess of stannane, stirring and irradiation (450-W Hg lamp) in hexanes for 3 h; solvent removal (vac.), chromy. (SiO2); elem. anal.;
参考文献
Journal of Organometallic Chemistry, , vol. 572, # 1 p. 11 - 20
