A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 140-95-4, Name is N,N’-Bis(hydroxymethyl)urea, molecular formula is C3H8N2O3. In an article, author is Mohamed, Amira A.,once mentioned of 140-95-4, SDS of cas: 140-95-4.
A ruthenium-catalyzed highly selective difluoromethylation of 8-aminoquinoline amides at the C5 position has been developed. It tolerates a broad range of functional groups, providing the corresponding difluoromethylated products in moderate to good yields. Preliminary experimental results indicate that the tricoordinate ruthenium intermediate is the key factor in achieving the C5-position selectivity.
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Reference:
Amide – Wikipedia,
,Amide – an overview | ScienceDirect Topics