the National Natural Science Foundation of China (No. 20472111) is gratefully acknowledged.
Three novel chiral selectors 4a-c were synthesized from (S)-amino acids and (R)-1-phenyl-2-(4-methylphenyl)ethylamine. 4a-c were connected to 3-aminopropylsilanized silica gel to be used as the chiral stationary...
founded by the National Natural Science Foundation of China(No.20472111).
Synthesis and ring-opening reaction of TADDOL analogue with cyclopropane as chiral backbone were described. A plausible ring-opening and carbonium ion rearrangement mechanism have been proposed.