55750-48-6, A balanced equation for a chemical reaction indicates what is reacting and what is produced, but it reveals nothing about how the reaction actually takes place. The reaction mechanism is the process, or pathway, by which a reaction occurs.55750-48-6, name is Methyl 2,5-dioxo-2,5-dihydro-1H-pyrrole-1-carboxylate. An updated downstream synthesis route of 55750-48-6 as follows.
[3921] 186 mg (555 f.tmol) of 3-{2-[2-(2-aminoethoxyl)ethoxy ]ethoxy }propanoic acid trifluoroacetate were dissolvedin 2.6 ml of saturated sodiumhydrogencarbonate solutionand admixed at oo C. with 86 mg (555 f.tmol) ofN-methoxycarbonylmaleimide. The reaction mixture wasstirred at oo C. for 40 min and at RT for 1 h, then cooled againto oo C., adjusted to pH 3 with sulphuric acid and extracted 3xwith 25 ml of ethyl acetate. The combined organic phaseswere dried over magnesium sulphate and concentrated. 126mg (75% of theory) of the title compound were obtained.[3922] LC-MS (Method 1): R,=0.53 min; m/z=302(M+Ht.
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Reference£º
Patent; SEATTLE GENETICS, INC.; LERCHEN, Hans-Georg; LINDEN, Lars; SHEIKH, Sherif El; WILLUDA, Joerg; KOPITZ, Charlotte C.; SCHUHMACHER, Joachim; GREVEN, Simone; MAHLERT, Christoph; STELTE-LUDWIG, Beatrix; GOLFIER, Sven; BEIER, Rudolf; HEISLER, Iring; HARRENGA, Axel; THIERAUCH, Karl-Heinz; BRUDER, Sandra; PETRUL, Heike; JOeRISSEN, Hannah; BORKOWSKI, Sandra; US2015/246136; (2015); A1;,
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