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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2248404Generated: October 29, 2026

Methanol → HCID 19996087, compound

https://huagongshe.com/reaction/2248404

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
ReactantSodium HydroxideHCID 14798—
ReactantHCID 19996066HCID 19996066—
SolventHexaneHCID 8058—
ProductHCID 19996087HCID 1999608786%

Reaction Steps

A solution of methyl 5-[2-[[6-[[2-(4-amino-3,5-dichlorophenyl)-2-hydroxyethyl]amino]hexyl]oxy]ethyl]-2-thiophenecarboxylate (0.274 g) in a 2N sodium hydroxide solution (4.5 ml) and methanol (20 ml) was stirred at room temperature under nitrogen for 28 h. Dowex 50 (H+) methanol-washed ion exchange resin was added portionwise to neutralise the mixture to pH7. The mixture was filtered and evaporated in vacuo to give an orange solid. Trituration with hexane gave the title compound as a yellow solid (229 mg), m.p. 178°-185° (decomp).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05039697
Source datasetuspto-grants-1991_08
ORD IDord-dce50a3707db4f068f6c14b26546ef40
Source noteuspto-grants-1991_08