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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 407064Generated: October 30, 2026

Triethylamine → HCID 57386425, compound

https://huagongshe.com/reaction/407064

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantCyclopropanemethanamineHCID 75646—
ReactantTriphosgeneHCID 94429—
ReactantN-[3-(7-{1-[3-(cyanomethyl)azetidin-3-yl]-1H-pyrazol-4-yl]imidazo[1,2-b]pyridazin-3-yl)phenyl]-N'-(2,2,2-trifluoroethyl)ureaHCID 67980375—
SolventMethanolHCID 887—
SolventDimethylformamideHCID 6228—
SolventDichloromethaneHCID 6344—
ProductHCID 57386425HCID 57386425—

Reaction Steps

Triphosgene (22 mg, 0.074 mmol) was dissolved in DCM (1.0 mL). To the solution was added a solution of triethylamine (12.6 μL, 0.0908 mmol) and cyclopropylmethylamine (6.2 μL, 0.073 mmol) in DCM (1 mL). The mixture was stirred at r.t. for 1 h., the volatiles were removed. To the residue was added a solution of triethylamine (22.9 μL, 0.164 mmol) and N-[3-(7-{1-[3-(cyanomethyl)azetidin-3-yl]-1H-pyrazol-4-yl}imidazo[1,2-b]pyridazin-3-yl)phenyl]-N′-(2,2,2-trifluoroethyl)urea (15 mg, 0.030 mmol) in N,N-dimethylformamide (0.5 mL) and methanol (0.1 mL). The mixture was stirred at r.t. for 1 h., the mixture was purified by RP-LCMS (pH=10) to afford the desired product. LCMS (M+H)+: m/z=593.2.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08754114B2
Source datasetuspto-grants-2014_06
ORD IDord-c99faead90ea4a18b5fcd845d36ce401
Source noteuspto-grants-2014_06