A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, Application In Synthesis of Hexadecyl palmitate, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 540-10-3, Name is Hexadecyl palmitate, molecular formula is C32H64O2. In an article, author is Apolinar, Omar,once mentioned of 540-10-3.
Sulfonamide Directivity Enables Ni-Catalyzed 1,2-Diarylation of Diverse Alkenyl Amines
1,2-Diarylation of alkenyl sulfonamides with aryl iodides and aryl boronic esters under nickel catalysis is reported. The developed method tolerates coupling partners with disparate electronic properties and substitution patterns. Di- and trisubstituted alkenes as well as alkenes distal from the directing group are all accommodated. Control experiments are consistent with a N-Ni coordination mode of the directing group, which stands in contrast to a previous report on amide-directed 1,2-diarylation, which involves carbonyl coordination. The synthetic utility of the method arises from the dual function of the sulfonamide as both a directing group and a masked amine nucleophile. This is highlighted by various product diversifications where complex amine compounds are synthesized in a two-step sequence of N-functionalization and deprotection of the sulfonyl group.
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