Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 4070-80-8, Name is Sodium 2-octadecylfumarate, molecular formula is C22H39NaO4. In an article, author is Primozic, Ines,once mentioned of 4070-80-8, COA of Formula: C22H39NaO4.
Influence of the Acyl Moiety on the Hydrolysis of Quinuclidinium Esters Catalyzed by Butyrylcholinesterase
Eight chiral esters of quinuclidin-3-ol and butyric, acetic, pivalic and benzoic acid were synthesized as well as their racemic and chiral, quaternary N-benzyl derivatives. All racemic and chiral quaternary compounds were studied as substrates and/or inhibitors of horse serum butyrylcholinesterase (BChE). The best substrate for the enzyme was (R)-N-benzyl butyrate. The rates of hydrolysis decreased in order (R)-butyrate >> (R)-acetate (7-fold slower) > (R)-pivalate (8-fold slower) > (R)-benzoate (9-fold slower reaction), while (S)-N-benzyl esters were much poorer substrates (320 (butyrate) – 4360-fold slower (pivalate) than the appropriate (R)-enantiomer). For all (S)-N-benzyl esters excluding (S)-N-benzyl acetate inhibition constants were determined (K-a = 3.3-60 mu mol dm(-3)). The hydrolysis of racemic mixtures of N-benzyl esters proceeded 1.4 (for acetate) – 5.1 (for benzoate) times slower than that of pure (R)-enantiomers of the corresponding concentrations due to the inhibition with (S)-enantiomers. Change of the acyl moiety of the substrate effected both activity and stereoselectivity of the BChE.(doi: 10.5562/cca1829)
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Reference:
Quinuclidine – Wikipedia,
,Quinuclidine | C7H13N | ChemSpider