| 摘要 |
A composition of matter of the formula <IMAGE> where M is Cu(I) or Ag(I); R1 is C1-C6 fluoroalkyl, C1-C8 alkyl, C4-C6 heterocycle containing O, S or N or C6-C10 aryl; R2 is H or C1-C6 alkyl, with the proviso that R1 and R2 together with the carbons to which they are attached may be joined together to form a C6 ring; L is an unsaturated hydrocarbon containing at least one non-aromatic unsaturation; x and y are 1 or 2; and n is from 1 to 8.
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