4-Hydroxy Carbazeran
4-Hydroxy Carbazeran is a structurally related impurity of Carbazeran, featuring a hydroxyl group at the 4-position of the aromatic ring, substituting a hydrogen atom. Its core structure retains the piperazine moiety and ester linkage characteristic of the parent drug, with an additional phenolic hydroxyl functionality enhancing polarity. This compound arises via oxidative hydroxylation during synthetic pathways or degradation processes. The hydroxyl substitution introduces steric and electronic modifications, altering intermolecular interactions compared to Carbazeran. Analytically, it serves as an HPLC reference standard for quantifying process-related impurities in Carbazeran formulations.
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Molecular Formula
C18H24N4O5
Molecular Weight
376.4000
CAS Number
96724-43-5
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PubChem CID
53320800 ↗
IUPAC Name
[1-(6,7-dimethoxy-4-oxo-3H-phthalazin-1-yl)piperidin-4-yl] N-ethylcarbamate
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📝 Synonyms
4-Hydroxycarbazeran
96724-43-5
LX2QDS9HCH
(1-(6,7-Dimethoxy-4-oxo-4ah-phthalazin-1-yl)-4-piperidyl) N-ethylcarbamate
Carbamic acid, ethyl-, 1-(3,4-dihydro-6,7-dimethoxy-4-oxo-1-phthalazinyl)-4-piperidinyl ester
RefChem:198698
UNII-LX2QDS9HCH
[1-(6,7-dimethoxy-4-oxo-3H-phthalazin-1-yl)piperidin-4-yl] N-ethylcarbamate
1-(3,4-Dihydro-6,7-dimethoxy-4-oxo-1-phthalazinyl)-4-piperidinyl Ester Ethylcarbamic Acid
1-(6,7-Dimethoxy-4-oxo-3,4-dihydrophthalazin-1-yl)piperidin-4-yl ethylcarbamate
🔬 Chemical Identifiers
CCNC(=O)OC1CCN(CC1)C2=NNC(=O)C3=CC(=C(C=C32)OC)OC
InChI=1S/C18H24N4O5/c1-4-19-18(24)27-11-5-7-22(8-6-11)16-12-9-14(25-2)15(26-3)10-13(12)17(23)21-20-16/h9-11H,4-8H2,1-3H3,(H,19,24)(H,21,23)
YIFOKLMSOFKZBP-UHFFFAOYSA-N
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