Abstract
Seven novel chiral C2-symmetric substituted bisoxazoline ligands containing 2,5-di(m-substituted)phenyl-1,3,4-oxadiazole have been synthesized from 2,5-di-(m-carboxylphenyl)-1,3,4-oxadiazole and aminoalcohol by NaOH or Et3N cyclization method via halogenated amide intermediate.
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Acknowledgment
This work was supported by the National Natural Science Foundation of China (Grant No. 20172001).