摘要 |
A reagent of the formula
R1R2N—ZnY LiY (I)
wherein R1 and R2 are independently, selected from H, aryl or heteroaryl, linear, branched or cyclic, substituted or unsubstituted alkyl, alkenyl, alkynyl, or silyl derivatives thereof; and R1 and R2 together form part of a cyclic or polymeric structure; R1 and/or R2 is not H; Y is F, Cl, Br, I, CN, SCN, NCO or HalOn, wherein n=3 or 4 and Hal is Cl, Br or I; NO3; BF4; PF6; H; a carboxylate of formula R5CO2; an alcoholate of formula OR5; a thiolate of formula SR5; R5P(O)O2; or SCOR5; or SCSR5; OnSR5; wherein n=2 or 3; or NOn, wherein n=2 or 3; and a derivative thereof; wherein R5 is an aryl or heteroaryl, linear, branched or cyclic, alkyl, alkenyl, alkynyl, or derivatives thereof, or H; or as adduct with a solvent; and preparation and use thereof. |