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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1971612Generated: October 26, 2026

N-(2-(p-bromophenoxy)ethyl)pyrrolidine → [5-(1-Benzyl-1H-pyrazol-4-yl)-[1,2,4]triazolo[1,5-c]pyrimidin-2-yl]-[4-(2-pyrrolidin-1-yl-ethoxy)-phenyl]-amine

https://huagongshe.com/reaction/1971612

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN-(2-(p-bromophenoxy)ethyl)pyrrolidineHCID 70657—
Reactant1,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 636044—
ReactantSodium t-butoxideHCID 23676156—
Reactant5-(1-Benzyl-1H-pyrazol-4-yl)-[1,2,4]triazolo[1,5-c]pyrimidin-2-ylamineHCID 59589583—
CatalystDimethylacetamideHCID 31374—
Catalyst(1E,4E)-1,5-diphenylpenta-1,4-dien-3-one; palladiumHCID 6505921—
Solvent1,4-DioxaneHCID 31275—
Product[5-(1-Benzyl-1H-pyrazol-4-yl)-[1,2,4]triazolo[1,5-c]pyrimidin-2-yl]-[4-(2-pyrrolidin-1-yl-ethoxy)-phenyl]-amineHCID 59589708—

Reaction Conditions

Temperature130 °C

Reaction Steps

In a microwave vial, 5-(1-benzyl-1H-pyrazol-4-yl)-[1,2,4]triazolo[1,5-c]pyrimidin-2-ylamine (0.05 g, 0.165 mmol), 1-(2-(4-bromophenoxy)ethyl)pyrrolidine (0.045 g, 0.215 mmol), bis(dibenzylideneacetone)palladium (0.005 g, 0.008 mmol), xantphos (0.01 g, 0.017 mmol) and sodium tert butoxide (0.032 g, 0.330 mmol) were added successively. 1,4-Dioxane (1.2 mL) and dimethylacetamide (4 drops) were added and the vial was sealed and heated in the microwave (130° C., 15 min). The mixture was filtered and purified by preparatory HPLC. LCMS method: 2, RT: 2.54 min; MI: 481 [M+1]. 1H NMR (DMSO) 9.70 (s, 1H), 8.92 (s, 1H), 8.49 (s, 1H), 8.20 (d, 2H), 7.54 (d, 2H), 7.32 (m, 3H), 6.92 (d, 2H), 5.50 (s, 2H), 4.09 (t, 2H), 2.78 (t, 2H), 2.52 (s, 4H), 1.64 (s, 4H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08431596B2
Source datasetuspto-grants-2013_04
ORD IDord-f41a1e71027c4168a1c138c296c85ac8
Source noteuspto-grants-2013_04