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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 535288Generated: October 30, 2026

N-{2-[2-(2-tert-butoxycarbonylamino-ethoxy)-ethoxy]-ethyl}-succinamic acid → 7-(2-{2-[2-(3-Carboxy-propionylamino)-ethoxy]-ethoxy}-ethylcarbamoyl)-heptanoic acid tert-butyl ester

https://huagongshe.com/reaction/535288

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN-{2-[2-(2-tert-butoxycarbonylamino-ethoxy)-ethoxy]-ethyl}-succinamic acidHCID 57325707—
Reactant1-tert-Butyl 8-(2,5-dioxopyrrolidin-1-yl) octanedioateHCID 59760896—
Product7-(2-{2-[2-(3-Carboxy-propionylamino)-ethoxy]-ethoxy}-ethylcarbamoyl)-heptanoic acid tert-butyl esterHCID 59476999132.2%

Reaction Steps

Octanedioic acid tert-butyl ester 2,5-dioxo-pyrrolidin-1-yl ester (1.13 g, 3.45 mmol) and N-{2-[2-(2-tert-butoxycarbonylamino-ethoxy)-ethoxy]-ethyl}-succinamic acid (1 g, 2.874 mmol) were reacted as described above. 1.75 g crude product was isolated and used without further purification. LCMS (Method 6): Rt 3.86 min; m/z (M+1) 461; Calcd.: 461.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08859493B2
Source datasetuspto-grants-2014_10
ORD IDord-2a07b649065546e887f7a4bcd38c2feb
Source noteuspto-grants-2014_10