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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1475759Generated: November 2, 2026

Malonic Acid → HCID 67169809, compound

https://huagongshe.com/reaction/1475759

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMalonic AcidHCID 867—
ReactantPiperidineHCID 8082—
ReactantHCID 87294983HCID 87294983—
SolventPyridineHCID 1049—
ProductHCID 67169809HCID 67169809—

Reaction Steps

The compound of step 3 of example 428 (400 mg, 1.30 mmol), malonic acid (262 mg, 2.52 mmol) and piperidine (16 mg, 0.19 mmol) were dissolved in pyridine (0.7 ml) and stirred in reflux for 1 h. The material was partitioned between 2N hydrochloric acid and ethyl acetate (product is only sparingly soluble). The combined organic extracts were dried over sodium chloride and evaporated to dryness to yield the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09018383B2
Source datasetuspto-grants-2015_04
ORD IDord-6ad9d77d7802450e942a99e786c82b42
Source noteuspto-grants-2015_04