N-[(1R,2R)-2-Amino-1,2-diphenylethyl]-N'-[3,5-bis(trifluoromethyl)phenyl]thiourea, 98%

Technical Notes：
1.Catalyst for the asymmetric Michael addition of a, a-disubstituted aldehydes to maleimides .
2.Used in the enantioselective synthesis of trans dihydrobenzofurans via intramolecular Michael addition.
3.Organocatalyst for the enantioselective direct vinylogous aldol reaction of 3-methyl 2-cyclohexen-1-one with a-keto esters.
4.Organocatlyst for enantioselective F riedel-Crafts alkylations of furans.
5.Catalyst for the regio- and diastereodivergent [4+2] cycloadditions with cyclic 2,4-Dienones.