Abstract

[33462-38-3] C6H10CuLi (MW 152.65) InChI = 1S/2C3H5.Cu.Li/c2*1-3-2;;/h2*1,3H,2H3;; InChIKey = NWXANJCJLHDMKM-UHFFFAOYSA-N (propenylating reagent; undergoes conjugate addition reactions,2-4 1,2-addition reactions to aldehydes,5, 6 substitution reactions with alkyl7 and vinyl substrates,8 and oxidative dimerization9) Physical Data: colorless solution in Et2O with CuI;7 ink-blue color with CuI·P(OMe)3.4 Solubility: sol Et2O, THF. Preparative Methods: prepared in situ from CuI salts (Copper(I) Iodide)7 or complexes (Copper(I) Iodide–Tributylphosphine5, 9 and Copper(I) Iodide–Trimethyl Phosphite4) in Et2O or THF at −78 °C under argon1c by the addition of trans-1-propenyllithium.7 See Lithium Dimethylcuprate for purification of CuI salts. Handling, Storage, and Precautions: air- and moisture-sensitive; use in a fume hood.

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