HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 640167Generated: October 26, 2026
Hydrochloric Acid → 3-(4-Bromo-pyrazol-1-yl)-pyridin-2-ylamine
https://huagongshe.com/reaction/640167
Participants
| Role | Name | HCID | Charge |
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| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Sodium Hydroxide | HCID 14798 | — |
| Reactant | N-(3-(4-Bromo-pyrazol-1-yl)-pyridin-2-yl)-2,2-dimethyl-propionamide | HCID 59255076 | — |
| Product | 3-(4-Bromo-pyrazol-1-yl)-pyridin-2-ylamine | HCID 59255090 | 72% |
Reaction Steps
A mixture of N-(3-(4-bromo-pyrazol-1-yl)-pyridin-2-yl)-2,2-dimethyl-propionamide (380 mg, 1.2 mmol) described in Manufacturing Example 39-1-3 and aqueous 2.5 N hydrochloric acid solution (2 mL) was stirred overnight at 105° C. The reaction mixture was cooled to 0° C., and 5 N sodium hydroxide solution (1 mL) was added. The resulting solids were filtered to obtain the title compound (100 mg, 72%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US07691882B2 |
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| Source dataset | uspto-grants-2010_04 |
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| ORD ID | ord-8ce973b04d0b420aae551b31b31d006d |
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| Source note | uspto-grants-2010_04 |
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