1532-97-4, Name is 4-Bromoisoquinoline, belongs to isoquinoline compound, is a common compound. HPLC of Formula: C9H6BrNIn an article, once mentioned the new application about 1532-97-4.
Hydrolysis of (2-deoxy-beta-D-glucopyranosyl)pyridinium salts
The hydrolysis reactions of three (2-deoxy-beta-D-glucopyranosyl)pyridinium salts exhibit first-order rate constants that are independent of pH in the range of 4.4-10.1 pH units. Derived second-order rate constants for the hydrolysis reactions of (2-deoxy-beta-D-glucopyranosyl)-4?-bromoisoquinolinium bromide (5b) conducted in the presence of nucleophilic monoanions (mu = 2.0) including AcO-, Cl-, Br-, and N3 exhibit a Swain-Scott parameter (s) of 0,03 ¡À 0.05, indicating that these reactions show no sensitivity to the nature of the anion. However, a substantial quantity of the (2-deoxyglucopyranosyl)pyridinium salt hydrolysis product is formed as a result of a post-rate-limiting reaction involving a nucleophilic anion. Analysis of the product ratios indicates that the first-formed intermediate in the hydrolytic reaction is a solvent-separated ion painmolecule encounter complex. The data allow a calculated estimate of greater than 2.5 ¡Á 10-12 s for the lifetime of the glucopyranosyloxocarbenium ion in aqueous solution.
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Reference£º
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem