The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. 4395-98-6, Name is 4-Cyanopiperidine, SMILES is N#CC1CCNCC1, in an article , author is Ishikawa, Hayato, once mentioned of 4395-98-6, Recommanded Product: 4-Cyanopiperidine.
Development of Highly Efficient Organocatalytic Reaction toward Practical Total Synthesis of ent-Quinine
Recently, cinchona alkaloids such as quinine and quinidine were re-focused as next generation organocatalysts. Therefore, practical total syntheses of enantiomers of these alkaloids are required in current chemical society. Thus, efficient protocol for preparation of C4-alkyl substituted chiral piperidines using secondary amine catalyzed formal aza[3+3]cycloaddition reaction using aliphatic alpha,beta-unsaturated aldehydes and thiomalonamate derivatives were discovered as key step in total synthesis. In our reaction system, thiomalonamate is excellent nucleophile, and the addition of suitable acid and it’s amounts are important factor for the acceleration effect in organocatalytic reaction. These efforts lead to only 0.1 mol% catalyst loading in multi-gram scale synthesis for suitable reaction time.
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Reference:
Piperidine – Wikipedia,
,Piperidine | C5H11N – PubChem