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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 265304Generated: October 29, 2026

7-(2-Aminoethyl)-4-hydroxy-1,3-benzothiazol-2(3H)-one hydrobromide → N-[2-[4-Hydroxy-2-oxo-3H-1,3-benzothiazol-7-yl]ethyl]-3-[2-[2-[4-nitrophenyl]ethoxy]ethylsulphonyl]propanamide

https://huagongshe.com/reaction/265304

Reaction equation

Participants

RoleNameHCIDCharge
Reactant7-(2-Aminoethyl)-4-hydroxy-1,3-benzothiazol-2(3H)-one hydrobromideHCID 13814270—
Reactant3-[2-[2-[4-Nitrophenyl]ethoxy]ethylsulphonyl]propanoic acidHCID 19082175—
ProductN-[2-[4-Hydroxy-2-oxo-3H-1,3-benzothiazol-7-yl]ethyl]-3-[2-[2-[4-nitrophenyl]ethoxy]ethylsulphonyl]propanamideHCID 19082113—

Reaction Steps

Following the general method outlined in Example 20c) using 7-[2-aminoethyl]-4-hydroxy-1,3-benzothiazol-2(3H)-one hydrobromide and 3-[2-[2-[4-nitrophenyl]ethoxy]ethylsulphonyl]propanoic acid [Example 13a)] gave the subtitled compound after purification by chromatography over silica using 8% ethanol in dichloromethane as eluant.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05648370
Source datasetuspto-grants-1997_07
ORD IDord-7bb0ea195ef34ecfa8affe8544f467b2
Source noteuspto-grants-1997_07