HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1935302Generated: October 31, 2026
Isonicotinic Acid → Pyridine-4-carbonyl chloride
https://huagongshe.com/reaction/1935302
Participants
| Role | Name | HCID | Charge |
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| Reactant | Isonicotinic Acid | HCID 5922 | — |
| Reactant | Thionyl Chloride | HCID 24386 | — |
| Product | Pyridine-4-carbonyl chloride | HCID 417436 | — |
Reaction Steps
Isonicotinic acid (1.27 g, 10.36 mMole) was added to thionyl chloride (30 mL) and the mixture heated to 70° C. After 1 hour the solution was cooled, concentrated under reduced pressure and co-evaporated with ethyl acetate (2×30 mL). The residue was used as such in the following step.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US06387606B1 |
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| Source dataset | uspto-grants-2002_05 |
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| ORD ID | ord-049e880a411b4f1db1d7170734fcff32 |
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| Source note | uspto-grants-2002_05 |
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