Patent ID: 7763734

Claim:
A C 2 -symmetric chiral bisoxazolidine represented by formula III,: wherein, R is, independently for each occurrence, hydrogen, alkyl, alkenyl, aryl, cycloalkyl, aralkyl, heteroalkyl, halogen, hydroxy, cyano, amino, acyl, alkoxyl, silyloxy, amino, nitro, thiol, amine, imine, amide, phosphonate, phosphine, carbonyl, carboxyl, silyl, ether, thioether, sulfonyl, selenoether, or ester; or any two adjacent R, taken together with the —C—C— fragment to which they are bound, is a carbocyclic moiety, a heterocyclic moiety, an aromatic moiety, or a heteroaromatic moiety; and R 3 is hydrogen, alkyl, alkenyl, alkynyl, aryl, aralkyl, heteroaryl, heteroaralkyl, heterocyclic, or heterocycloalkyl.