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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 629903Generated: October 29, 2026

Diisopropylethylamine → 5-[4,4-Difluoro-2-(isoxazol-3-ylcarbonyl)octahydro-4aH-cyclopropa[3,4]-cyclopenta[1,2-c]pyrrol-4a-yl]-1-(2,2-dimethylpropyl)-3-methyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one

https://huagongshe.com/reaction/629903

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisopropylethylamineHCID 81531—
ReactantMethanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 9886157—
Reactant3-Isoxazolecarboxylic acidHCID 11286453—
Reactant5-(4,4-Difluorooctahydro-4aH-cyclopropa[3,4]cyclopenta[1,2-c]pyrrol-4a-yl)-1-(2,2-dimethylpropyl)-3-methyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-oneHCID 71136687—
SolventAcetonitrileHCID 6342—
Product5-[4,4-Difluoro-2-(isoxazol-3-ylcarbonyl)octahydro-4aH-cyclopropa[3,4]-cyclopenta[1,2-c]pyrrol-4a-yl]-1-(2,2-dimethylpropyl)-3-methyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-oneHCID 71136672—

Reaction Steps

5-(4,4-Difluorooctahydro-4aH-cyclopropa[3,4]cyclopenta[1,2-c]pyrrol-4a-yl)-1-(2,2-dimethylpropyl)-3-methyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one (30-3, 50 mg, 0.14 mmol, 1.0 equiv), isoxazole-3-carboxylic acid (2-6, 22.5 mg, 0.20 mmol, 1.5 equiv), DIPEA (0.070 mL, 0.40 mmol, 3.0 equiv) and HATU (76 mg, 0.20 mmol, 1.5 equiv) were added to anhydrous acetonitrile (1 mL). After stirring for 10 min at room temperature, LCMS showed consumption of starting material. Purification by reverse-phase HPLC (20-100% CH3CN:0.1% TFA in H2O) provided 30-4 as a white solid. MS m/z (M+H): calculated=472.2155; observed=472.2153.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09315518B2
Source datasetuspto-grants-2016_04
ORD IDord-441a8add706146538b1f6bcac88d7c25
Source noteuspto-grants-2016_04