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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1717451Generated: November 2, 2026

p-Toluenesulfonic acid → HCID 59306436, compound

https://huagongshe.com/reaction/1717451

Reaction equation

Participants

RoleNameHCIDCharge
Reactantp-Toluenesulfonic acidHCID 6101—
ReactantTriethylamineHCID 8471—
ReactantHCID 59306305HCID 59306305—
SolventHCID 131723227HCID 131723227—
ProductHCID 59306436HCID 5930643680%

Reaction Steps

0.26 mmol of 3-Cyano-2-((E)-3-phenyl-allanoylamino)-4,7-dihydro-5H-thieno[2,3-c]pyridine-6-carboxylic acid 2,2-dimethyl-[1,3]dioxolan-4-ylmethyl ester are dissolved in 10 ml AcCN/H2O (2/1) and 0.1 eq PTSA is added. After stirring over night, some triethylamine is added and the solvent removed. Recrystallization from ethanol gives the desired product in 80% yield.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07803945B2
Source datasetuspto-grants-2010_09
ORD IDord-c44d76c706c34d4cb27ce70db78dec89
Source noteuspto-grants-2010_09