Chiral selector with multiple hydrogen-bonding sites in a macrocyclic cavity.

[摘要]：Chiral macrocycles with the hydrogen bond donor/acceptor sites in the cavity were synthesized and covalently bonded to silica gel to give chiral stationary phases (CSPs), which showed excellent abilities to resolve various chiral compds., such as benzoin and Co(acac)3, in HPLC. Various org. solvents could be used as the mobile phase to optimize the resoln. efficiency of CSPs, and in some cases, even MeCN, MeOH, and CO2 could be used for the complete resoln. of enantiomers.

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