Patent ID: 8580964

Claim:
A cinchona-based bifunctional organocatalyst comprising a compound of Formula 1 or 2 or a salt thereof: wherein, R 1 represents hydrogen, an alkyl having 1 to 12 carbons, an alkenyl having 2 to 12 carbons, an alkynyl having 2 to 12 carbons, an alkoxy having 1 to 12 carbons, or an aryl having 6 to 11 member ring, R 2 , R 3 , R 4 , R 6 , R 7 and R 8 represent hydrogen, R 5 represents an alkyl having 1 to 12 carbons, an alkenyl having 2 to 12 carbons, an alkynyl having 2 to 12 carbons, an alkoxy having 1 to 12 carbons or an aryl having 4 to 11 member ring, and Ar represents an alkyl having 1 to 12 carbons, an alkenyl having 2 to 12 carbons, a cycloalkyl having 3 to 10 carbons, or an aryl having 4 to 11 member ring unsubstituted or substituted with one or more substituents selected from the group consisting of halogen, amino, an aryl having 6 to 10 member ring, an alkyl having 1 to 3 carbons, unsubstituted or substituted with halogen, an alkenyl having 2 to 6 carbons, unsubstituted or substituted with halogen, and an alkoxy having 1 to 6 carbons, unsubstituted or substituted with halogen, with the proviso that Ar is not para-toluene; wherein, R 1 represents hydrogen, an alkyl having 1 to 12 carbons, an alkenyl having 2 to 12 carbons, an alkynyl having 2 to 12 carbons, an alkoxy having 1 to 12 carbons, or an aryl having 6 to 11 member ring, R 2 , R 4 , R 5 , R 6 , R 7 and R 8 represent hydrogen, R 3 represents an alkyl having 1 to 12 carbons, an alkenyl having 2 to 12 carbons, an alkynyl having 2 to 12 carbons, an alkoxy having 1 to 12 carbons or an aryl having 4 to 11 member ring, and Ar represents an alkyl having 1 to 12 carbons, an alkenyl having 2 to 12 carbons, a cycloalkyl having 3 to 10 carbons, or an aryl having 4 to 11 member ring unsubstituted or substituted with one or more substituents selected from the group consisting of halogen, amino, an aryl having 6 to 10 member ring, an alkyl having 1 to 3 carbons, unsubstituted or substituted with halogen, an alkenyl having 2 to 6 carbons, unsubstituted or substituted with halogen, and an alkoxy having 1 to 6 carbons, unsubstituted or substituted with halogen, with the proviso that Ar is not para-toluene.