A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, Product Details of 92235-39-7, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 92235-39-7, Name is (S)-tert-Butyl (2-oxopiperidin-3-yl)carbamate, molecular formula is C10H18N2O3. In a Article, authors is Hamilton, Deborah J.，once mentioned of 92235-39-7
A simple and efficient synthesis of L-arginine has been achieved in 12 steps and 24% overall yield. Regioselective reduction and functional group manipulation of the beta-side chain of aspartic acid allowed the preparation of an ornithine derivative, which was then guanylated with a bis-protected 1-guanyl-pyrazole and deprotected to give L-arginine. This approach allows the flexible incorporation of stable isotopes and this is demonstrated using potassium 13C-cyanide, which has resulted in the preparation of 5-13C-L-arginine.
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Reference：
Piperidine – Wikipedia,
Piperidine | C5H16635N – PubChem