A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, SDS of cas: 19171-18-7, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 19171-18-7, Name is 2-(2,6-Dioxopiperidin-3-yl)-4-nitroisoindoline-1,3-dione, molecular formula is C13H9N3O6. In a Patent, authors is ，once mentioned of 19171-18-7
The present invention discloses an anti-tumor therapeutic agent of anchors ma duan preparation method, which belongs to the field of drug synthesis. In order to 3 – nitro phthalic acid and 3 – amino piperidine – 2, 6 – dione hydrochloride as the raw material, after condensation reaction, nitro reduction of two-step to obtain the anchors ma duan. The invention compared with the prior literature reported method, few synthesis steps, mild reaction conditions, the operation is simple, a condensation step thus avoiding the heavy metal reagent and using toxic organic solvent, organic solvent residue is low, environment friendly, the overall process more green environmental protection, quality is easy to control, and the process stability is higher and the like, and is suitable for industrial production. (by machine translation)
I hope this article can help some friends in scientific research. I am very proud of our efforts over the past few months and hope to 19171-18-7, help many people in the next few years.SDS of cas: 19171-18-7
Reference：
Piperidine – Wikipedia,
Piperidine | C5H23208N – PubChem