On July 15, 2014, Xuan, Yining; Luo, Yan published an article.COA of Formula: C15H15F3N2O2S The title of the article was Synthesis of bifunctional sulfonamides and study on the catalytic asymmetric aldol reaction. And the article contained the following:
A series of monosulfonamide were synthesized from chiral diamines and were used as the catalysts for asym. aldol reaction between acetone and p-nitrobenzaldehyde. The structure effects of the diamines and the sulfonyl groups were investigated. The effect of additive was also studied. Among all the screened catalysts, the monosulfonamide derived from (1S,2S)-1, 2-diphenylethane-1,2-diamine was identified as the best catalyst for the reaction. In the presence of the catalyst and benzoic acid, the reaction was achieved with moderate yield and enantioselectivity. The experimental process involved the reaction of N-[(1S,2S)-2-Amino-1,2-diphenylethyl]-1,1,1-trifluoromethanesulfonamide(cas: 167316-28-1).COA of Formula: C15H15F3N2O2S
The Article related to bifunctional sulfonamide chiral diamine catalytic asym aldol reaction, Industrial Organic Chemicals, Leather, Fats, and Waxes: Manufacture Of Industrial Organic Chemicals and other aspects.COA of Formula: C15H15F3N2O2S
Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics