The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. Recommanded Product: N1,N1,N4,N4-Tetramethylbenzene-1,4-diamine dihydrochloride, 637-01-4, Name is N1,N1,N4,N4-Tetramethylbenzene-1,4-diamine dihydrochloride, SMILES is CN(C)C1=CC=C(N(C)C)C=C1.[H]Cl.[H]Cl, in an article , author is Pantaleone, Stefano, once mentioned of 637-01-4.
The development of amino acid surfactants which are considered to be biodegradable and less toxic than traditional surfactants has been a subject of growing interests among chemists for the past 20 years. Within this category, N-acyl amino acid surfactants are popular due to their excellent interfacial properties and antimicrobial activities. In the present work, six new N-acyl amino acid surfactants were synthesized using vegetable oils (castor oil and cottonseed oil) and amino acids (glycine, alanine, and serine). Surface active properties of these surfactants were investigated. With the amide bonds acting as hydrogen bond donors and acceptors, globular and tubular vesicles were observed in the aqueous solutions of some prepared surfactants. The results indicated that hydroxyl groups on the hydrophobic tails for castor oil derivatives were associated with spherical vesicles formation, whereas serine residues bearing hydroxyl groups may be associated with the tubular vesicles.
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Reference:
Amide – Wikipedia,
,Amide – an overview | ScienceDirect Topics