HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 447123Generated: October 30, 2026
Lithium Hydroxide → HCID 67176532, compound
https://huagongshe.com/reaction/447123
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Lithium Hydroxide | HCID 3939 | — |
| Reactant | HCID 59191593 | HCID 59191593 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Solvent | Ethyl Acetate | HCID 8857 | — |
| Product | HCID 67176532 | HCID 67176532 | 96.6% |
Reaction Steps
To a solution of methyl 2-[(R)-4-(6-benzyl-4,5-dimethyl-pyridazin-3-yl)-2-methyl-piperazin-1-yl]-4-trifluoromethyl-pyrimidine-5-carboxylate (500 mg, 1.0 mmol, 1.0 eq) in THF (5 mL) is added an aqueous solution of LiOH (1 M, 2.0 mL, 2.0 mmol, 2.0 eq) and the resulting solution is heated to 75° C. for 4 h. The reaction mixture is diluted with EtOAc (50 mL) and washed with water (3×15 mL). The combined aqueous washes were adjusted to pH 6 with aqueous HCl (1 M), then extracted with dichloromethane (3×50 mL). The combined organic layers are dried over sodium sulfate and concentrated under reduced pressure to yield the desired product as a white solid (470 mg, 96%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08481542B2 |
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| Source dataset | uspto-grants-2013_07 |
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| ORD ID | ord-a7605ceb24ea45e08cc9502dc5b7ce85 |
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| Source note | uspto-grants-2013_07 |
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