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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 656135Generated: October 29, 2026

Potassium Carbonate → HCID 59332719, compound

https://huagongshe.com/reaction/656135

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
ReactantThiophene-3-boronic acidHCID 581760—
ReactantHCID 59332769HCID 59332769—
CatalystBis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)HCID 178418228—
SolventWaterHCID 962—
Solvent1,4-DioxaneHCID 31275—
ProductHCID 59332719HCID 59332719101.4%

Reaction Conditions

Temperature100 °C

Reaction Steps

5-bromo-3-(2,6-dimethyl-1,1-dioxidotetrahydro-2H-thiopyran-4-yl)-1H-indole-7-carboxamide (0.050 g, 0.125 mmol) and 3-thienylboronic acid (0.016 g, 0.125 mmol) was dissolved in a 6:1 solution of 1,4 dioxane (3 mL)/water (0.5 mL) in a 20 mL microwave reaction vessel. Potassium carbonate (0.087 g, 0.626 mmol, 5 eq) was added and the solution was degassed with Nitrogen. PdCl2(dppf)2 (0.016 g, 0.021 mmol, 0.17 eq) was added and the reaction was heated in a microwave at 100° C. for 20 min. The solution was passed through a StratoSphere SPE PL-Thiol MP SPE column to remove palladium and purified on Gilson preparative HPLC using Acetonitrile/Water with 0.1% TFA. The desired fractions were concentrated, giving 0.051 g of a mixture of diasteriomers and their respective enantiomers.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08071584B2
Source datasetuspto-grants-2011_12
ORD IDord-a39140b87dc24b32b6477d0307999e29
Source noteuspto-grants-2011_12