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N1-(5-acetylpyridin-2-yl)-N2-(5-chloropyridin-2-yl)ethanediamide

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Katalog-Nr.::	VE0025785
CAS-Nr.::	N/A
Summenformel::	C14H11ClN4O3
Molare Masse::	318.72 g/mol

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Zusätzliche Informationen zu

Parent drug

Edoxaban

IUPAC-Name

N1-(5-acetylpyridin-2-yl)-N2-(5-chloropyridin-2-yl)ethanediamide

Pharmacopeial Synonyms

N/A

Synonyme

N1-(5-acetylpyridin-2-yl)-N2-(5-chloropyridin-2-yl)oxalamide

SMILES

CC(C1=CN=C(NC(C(NC2=NC=C(Cl)C=C2)=O)=O)C=C1)=O

InChI

InChI=1S/C14H11ClN4O3/c1-8(20)9-2-4-11(16-6-9)18-13(21)14(22)19-12-5-3-10(15)7-17-12/h2-7H,1H3,(H,16,18,21)(H,17,19,22)

Beschreibung

N1-(5-acetylpyridin-2-yl)-N2-(5-chloropyridin-2-yl)ethanediamide is a process-related impurity characterized by a substituted pyridinyl acetyl and a 5-chloro pyridinyl moiety, commonly encountered in oxalamide synthetic sequences. The impurity displays moderate polarity and thermal stability, causing partial coelution in reversed-phase HPLC and requiring sensitive detection. Reliable identification and quantification are achieved by LC-MS supported by 1H and 13C NMR and UV detection at 254 nm. Its presence can compromise API purity and crystallization behavior. Control strategies include optimized stoichiometry and reaction conditions, targeted purification such as preparative HPLC or recrystallization, and routine in-process monitoring with validated analytical methods.