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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 722980Generated: October 29, 2026

Oxalic Acid → HCID 21887847, compound

https://huagongshe.com/reaction/722980

Reaction equation

Participants

RoleNameHCIDCharge
ReactantOxalic AcidHCID 971—
ReactantHCID 21887313HCID 21887313—
ProductHCID 21887847HCID 21887847—

Reaction Steps

Using 8-(5-{[2-(2-chlorophenyl)ethyl]amino}pentanoyl)-5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-2(1H)-one hydrochloride (205 mg, 0.5 mmol) obtained in Example 39 and oxalic acid (45 mg, 0.5 mmol) according to the same method as that of Example 360, the title compound was obtained as colorless crystals (221 mg) having a melting point of 161 to 163° C. (dec). elementary analysis as C24H27ClN2O2.C2H2O4 calculation value: C, 62.33; H, 5.83; N, 5.59. experimental value: C, 62.15; H, 6.00; N, 5.44.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07138533B2
Source datasetuspto-grants-2006_11
ORD IDord-7bce461ba0af4050ba67f11408c9c6c0
Source noteuspto-grants-2006_11