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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1425960Generated: November 1, 2026

Methylamine → HCID 67998436, compound

https://huagongshe.com/reaction/1425960

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethylamineHCID 6329—
ReactantDiisopropylethylamineHCID 81531—
ReactantO-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 2733207—
ReactantMethanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 9886157—
Reactant1-(5-Bromopyridin-2-YL)cyclopropanecarboxylic acidHCID 69476153—
SolventDimethylformamideHCID 6228—
ProductHCID 67998436HCID 67998436—

Reaction Steps

2-(1H-Benzotriazol-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate (0.13 g; alternatively, 2-(7-aza-1H-benzotriazol-1-yl)-1,1,3,3-tetramethyluronium hexafluorophosphate may be used) was added to a solution of 1-(5-bromo-pyridin-2-yl)-cyclopropanecarboxylic acid (0.10 g) and ethyl-diisopropyl-amine (70 μL) in N,N-dimethylformamide (1 mL) at room temperature. The solution was stirred for 20 min prior to the addition of methylamine (2 mol/L in tetrahydrofuran, 0.62 mL). The resulting solution was stirred at room temperature for 1 h and then concentrated. The residue was purified by HPLC on reversed phase (0.125% aqueous ammonia/methanol) to afford the title compound. Yield: 0.10 g (95% of theory); LC (method 1): tR=1.44 min; Mass spectrum (ESI+): m/z=255/257 (Br) [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08933072B2
Source datasetuspto-grants-2015_01
ORD IDord-8db6d47ed5164dd8b0ac551ed82e784b
Source noteuspto-grants-2015_01