Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1874485Generated: October 25, 2026

Tetrahydrofuran → N-[5-({2-[(cyclopropylcarbonyl)amino][1,2,4]triazolo[1,5-a]pyridin-6-yl}oxy)-2-methylphenyl]-2,5-dimethylthiophene-3-carboxamide

https://huagongshe.com/reaction/1874485

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTetrahydrofuranHCID 8028—
ReactantThionyl ChlorideHCID 24386—
Reactant2,5-Dimethylthiophene-3-carboxylic acidHCID 819559—
ReactantN-[6-(3-amino-4-methylphenoxy)[1,2,4]triazolo[1,5-a]pyridin-2-yl]cyclopropanecarboxamideHCID 57749401—
CatalystDimethylformamideHCID 6228—
SolventDimethylacetamideHCID 31374—
ProductN-[5-({2-[(cyclopropylcarbonyl)amino][1,2,4]triazolo[1,5-a]pyridin-6-yl}oxy)-2-methylphenyl]-2,5-dimethylthiophene-3-carboxamideHCID 5774940474.4%

Reaction Steps

In the same manner as in Example 55 and using 2,5-dimethylthiophene-3-carboxylic acid (71.0 mg, 0.454 mmol), tetrahydrofuran (5 mL), thionyl chloride (77.0 μL, 0.888 mmol), N,N-dimethylformamide (2 drops), N-[6-(3-amino-4-methylphenoxy)[1,2,4]triazolo[1,5-a]pyridin-2-yl]cyclopropanecarboxamide (129 mg, 0.399 mmol) and N,N-dimethylacetamide (6 mL) as starting materials, the title compound (137 mg, 74%) was obtained as a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08304557B2
Source datasetuspto-grants-2012_11
ORD IDord-0ddedd9411fe43ce97d17be17a66e861
Source noteuspto-grants-2012_11