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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2357653Generated: October 31, 2026

Lithium Hydroxide → HCID 68455974, compound

https://huagongshe.com/reaction/2357653

Reaction equation

Participants

RoleNameHCIDCharge
ReactantLithium HydroxideHCID 3939—
ReactantCyclopropylamineHCID 69828—
ReactantMethanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 9886157—
ReactantHCID 68455479HCID 68455479—
SolventEthyl AcetateHCID 8857—
SolventOxolane--water (1/1)HCID 21881883—
ProductHCID 68455974HCID 68455974—

Reaction Conditions

Temperature50 °C

Reaction Steps

Methyl 3-(1-cyanophthalazin-6-yl)-4-methylbenzoate (120 mg, 396 μmol) was dissolved in THF/water (4:1) (3.96 mL) and LiOH (19 mg, 791 μmol) was added. The reaction mixture was stirred at 50° C. for 5.5 h, concentrated, and lyophilyzed under house vacuum. The reaction mixture was dissolved in DMF (791 μl) and HATU (301 mg, 791 μmol) and cyclopropylamine (277 μl, 3956 μmol) were added and the mixture was stirred at RT for 16 h. The mixture was diluted with 100 mL ethyl acetate, and partitioned with sodium bicarbonate (saturated, aqueous). The organic layers were washed 3×20 mL with sodium bicarbonate (saturated, aqueous), separated, dried over sodium sulfate, concentrated in vacuo, and purified by HPLC to give the title compound. MS (ES+): 347 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07759337B2
Source datasetuspto-grants-2010_07
ORD IDord-ca0fd3987ace4388b1ac43beffeef1bd
Source noteuspto-grants-2010_07