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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 656653Generated: October 30, 2026

2-(Methylthio)ethanol → HCID 57664399, compound

https://huagongshe.com/reaction/656653

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-(Methylthio)ethanolHCID 78925—
ReactantLithium HexamethyldisilazideHCID 2733832—
Reactant3-Amino-5-chloro-6-methanesulfinyl-4-methyl-thieno[2,3-b]pyridine-2-carboxylic acid cyclopropylamideHCID 57664420—
SolventTetrahydrofuranHCID 8028—
ProductHCID 57664399HCID 5766439955%

Reaction Conditions

Temperature80 °C

Reaction Steps

To a solution of 2-(methylthio)ethanol (1.060 g, 11.50 mmol) in THF (3 ml) at room temperature is added dropwise a solution of lithium bis(trimethylsilyl)amide (1.0M in hexanes)(3.50 ml, 3.50 mmol). The reaction mixture is stirred for 15 minutes and then is treated with 3-amino-5-chloro-6-methanesulfinyl-4-methyl-thieno[2,3-b]pyridine-2-carboxylic acid cyclopropylamide (0.345 g, 1.00 mmol). The reaction mixture is heated at 80° C. in a sealed tube for 1.5 hours, cooled to room temperature, and then quenched by the addition of water (15 ml). Ice is added to the reaction mixture and, while stirring, a yellow precipitate is formed. This solid is collected by filtration and placed in the vacuum oven to dry (60° C. for 16 hours). This affords the title compound as a yellow solid (0.203 g, 55%). Mass (m/z): 372.1 (M++1), 370.1 (M+−1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08071776B2
Source datasetuspto-grants-2011_12
ORD IDord-2c7e3b6c7d0343f398b1ea86749aab32
Source noteuspto-grants-2011_12