Research speed reading in 2021. Chemistry is traditionally divided into organic and inorganic chemistry. The former is the study of compounds containing at least one carbon-hydrogen bonds. 532-32-1, Name is Sodium benzoate, SMILES is O=C([O-])C1=CC=CC=C1.[Na+], in an article , author is LEWIS, C, once mentioned of 532-32-1, Application In Synthesis of Sodium benzoate.
The catalytic antibody 21D8 efficiently catalyzes the decarboxylation of a substituted 3-carboxybenzisoxazole-a simple, unimolecular reaction that is not susceptible to general acid/base catalysis but that is highly sensitive to the microenvironment. The transition-state structure of this decarboxylation reaction has been probed by measuring the carbon kinetic isotope effect for the uncatalyzed decarboxylation in water and for the dioxane-accelerated and antibody-catalyzed reactions. The isotope effect for the decarboxylation of 5-nitro-3-carboxybenzisoxazole is k12/k13 = 1.046 in aqueous buffer at 20-degrees-C and 1.048 for the antibody-catalyzed reaction. With increasing dioxane in the reaction medium, the rate of the spontaneous decarboxylation increases by almost four orders of magnitude, whereas the isotope effect displays only a slight, progressive decrease to k12/k13 = 1.043 in 100% dioxane. Together, these results indicate that the structure of the transition state undergoes very little change in spite of > 10(4)-fold increases in the rate of the reaction caused by solvation of the substrate by organic solvents or the low dielectric environment of the antibody active site.
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Reference:
Benzisoxazole – Wikipedia,
,Benzisoxazole – an overview | ScienceDirect Topics