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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2274954Generated: November 4, 2026

Methylamine → HCID 71532759, compound

https://huagongshe.com/reaction/2274954

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethylamineHCID 6329—
ReactantTetrahydrofuranHCID 8028—
ReactantTriethylamineHCID 8471—
ReactantHCID 131733416HCID 131733416—
ProductHCID 71532759HCID 715327594.9%

Reaction Conditions

Temperature0 °C

Reaction Steps

To a mixture of 3-[1-(2,4-Difluoro-benzyl)-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridin-3-yl]-benzonitrile (7c) (0.060 g, 0.171 mmol) and triethylamine (60 mg, 0.60 mmol) in CH2C2 at 0° C. was added para-nitrophenylchloroformate (38 mg, 0.188 mmol) and the mixture was stirred at 0° C. for 45 min. 2 M methylamine in tetrahydrofuran (2 ml, 4 mmol) was added and the mixture was stirred for 3 days at room temperature. The crude product was purified by reverse phase HPLC (CH3CN/water gradient with 0.1% trifluoroacetic) to give 3.4 mg of 3-(3-Cyano-phenyl)-1-(2,4-difluoro-benzyl)-1,4,6,7-tetrahydro-pyrazolo[4,3-c]pyridine-5-carboxylic acid methylamide (12a).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09127001B2
Source datasetuspto-grants-2015_09
ORD IDord-795706ec78df48d6aa55067d97ca62b8
Source noteuspto-grants-2015_09