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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2035955Generated: October 31, 2026

Water → Tak-137

https://huagongshe.com/reaction/2035955

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantEthanesulfonylchloride, 2-chloro-HCID 15385—
Reactant3-(4-Phenoxyphenyl)pyridin-2-amineHCID 65551209—
SolventDimethylacetamideHCID 31374—
ProductTak-137HCID 5664928685.7%

Reaction Conditions

Temperature60 °C

Reaction Steps

A solution of 3-(4-phenoxyphenyl)pyridin-2-amine (301 mg) in N,N-dimethylacetoamide (3 mL) was added dropwise to 2-chloroethanesulfonyl chloride (382 mg) and additional N,N-dimethylacetoamide (2 mL) was used to complete the addition of above solution. After being stirred at 60° C. for 4 hr, the mixture was cooled to room temperature. Water (10 mL) was added dropwise to the reaction mixture and the whole was stirred at room temperature for 0.5 hr. The precipitate was collected by filtration, washed with water (10 mL) and THF (3 mL), and dried in vacuo at 60° C. to give the title compound (346.7 mg) as an off-white powder.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08575154B2
Source datasetuspto-grants-2013_11
ORD IDord-48fc1576fbf24906959349d93c175f5d
Source noteuspto-grants-2013_11