25021-08-3, 2-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)acetic acid is a pyrrolines compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated
N-[(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)acetyl]-L-valyl-N-{3-[{(1R)-1-[1-benzyl-4-(2,5-difluorophenyl)-1H-pyrrol-2-yl]-2,2-dimethylpropyl}(glycoloyl)amino]propyl}-L-alaninamide The title compound was prepared from Example M9 first by coupling to N-[(benzyloxy)carbonyl]-L-valyl-L-alanine in the presence of HATU and N,N-diisopropylethylamine. In the next step, the Z protecting group was removed by hydrogenating over 10% palladium on activated carbon at RT under hydrogen standard pressure for 1 hour and then converting the deprotected intermediate to the title compound by coupling to (2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)acetic acid in the presence of HATU and N,N-diisopropylethylamine. LC-MS (Method 1): Rt=1.21 min; MS (ESIpos): m/z=777 (M+H)+., 25021-08-3
As the paragraph descriping shows that 25021-08-3 is playing an increasingly important role.
Reference£º
Patent; BAYER PHARMA AKTIENGESELLSCHAFT; LERCHEN, Hans-Georg; REBSTOCK, Anne-Sophie; MARX, Leo; JOHANNES, Sarah Anna Liesa; STELTE-LUDWIG, Beatrix; DIETZ, Lisa; TERJUNG, Carsten; MAHLERT, Christoph; GREVEN, Simone; SOMMER, Anette; BERNDT, Sandra; (481 pag.)US2019/77752; (2019); A1;,
Pyrroline – Wikipedia
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