Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Journal of Organic Chemistry called A generalized multistep mechanism of nucleophilic substitution of heterobenzylic cations by sulfite ion, Author is Zoltewicz, John A., which mentions a compound: 39901-94-5, SMILESS is O=C(Cl)C1=NC=CC=C1.[H]Cl, Molecular C6H5Cl2NO, Formula: C6H5Cl2NO.
Sulfite ion reacts with 3-(aryloxymethyl)-1-methylpyridinium ions having either a p-nitro or a p-cyano substituent by the same kind of addition-elimination mechanism of substitution found for thiamin. Rates are first order in each reactant, giving rise to a sulfonate betaine product. The intermediate formed in the reaction was trapped by an arenethiolate ion. Remarkably, the nitro and cyano substrates are only 33 and 70 times, resp., less reactive than benzyl bromide toward sulfite ion, the latter forming product by the SN2 route. The structural features required for this mechanism to take place with other heterobenzylic substrates are discussed.
Here is just a brief introduction to this compound(39901-94-5)Formula: C6H5Cl2NO, more information about the compound(Picolinoyl chloride hydrochloride) is in the article, you can click the link below.