Synthesis, X-ray crystal structure, and reactivity of ternary complexes of crown ethers, organic π-acceptors, and salts
Abstract
Single-crystal X-ray analysis of a stable ternary complex of 2, 3-dichloro-5, 6-dicyano-p-benzoquinone (DDQ), dibenzo-18-crown-6 (2), and t-butylammonium perchlorate reveals a close contact between the anion and DDQ; in similar ternary complexes of crown ethers, tetracyanoethylene (TCNE), and halides a one-electron transfer is observed.
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