The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. 767-69-1, Name is 6-Bromo-7H-purine, SMILES is BrC1=NC=NC2=C1NC=N2, in an article , author is Mari, Giacomo, once mentioned of 767-69-1, HPLC of Formula: C5H3BrN4.
5-Methylene N-acyl dihydropyridazinium ions as novel Mannich-type acceptors in 1,4 additions of nucleophiles
1,4,5,6-Tetrahydropyridazine featuring an iminium cation flanked by an exocyclic double bond was successfully employed as an N-acyliminium acceptor. Thus, in the presence of a Lewis acid (BF3 center dot OEt2), generation and in situ interception of 5-methylene N-acyl dihydropyridazinium species with a range of various nucleophiles afforded diversified and functionalized 5-methylenyl-1,4-dihydropyridazine derivatives in good yields with excellent gamma’-regioselectivity.
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Reference:
Piperidine – Wikipedia,
,Piperidine | C5H11N – PubChem