Reactions of arenediazonium tetrafluoroborates with 3-chloro-2-methylpropene in the presence of potassium chloride, bromide, and thiocyanate
作者:P. M. Gorbovoi、G. N. Tulaidan、B. D. Grishchuk
DOI:10.1134/s1070363208010222
日期:2008.1
Arenediazonium tetrafluoroborates reacted with 3-chloro-2-methylpropene in the presence of potassium chloride, bromide, and thiocyanate to give the corresponding 1-aryl-3-chloro-2-halo(thiocyanato)-2-methylpropanes. The presence of a copper salt is a necessary condition for the reaction to occur. The yields of the corresponding 1-aryl-3-chloro-2-halo-2-methylpropanes in the Meerwein reaction were approximately twice as low. Introduction of a methyl group to C2 in the 3-chloropropene molecule does not change the reaction regioselectivity.
Photocatalytic, modular difunctionalization of alkenes enabled by ligand-to-metal charge transfer and radical ligand transfer
作者:Kang-Jie Bian、David Nemoto、Xiao-Wei Chen、Shih-Chieh Kao、James Hooson、Julian G. West
DOI:10.1039/d3sc05231a
日期:——
reaction manifolds driven by LMCT reactivity, a general and catalytic protocol for modular difunctionalization of alkenes remains unknown. Leveraging the synergistic cooperation of iron-catalyzed ligand-to-metal charge transfer and radical ligand transfer (RLT), here we report a photocatalytic, modular difunctionalization of alkenes using inexpensive iron salts catalytically to function as both radical initiator