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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1793833Generated: November 3, 2026

3-(3,3-Dibenzylureido)-1-(4-methoxy-benzenesulfonyl)-2,3,4,7-tetrahydro-1H-azepine-2-carboxylic Acid tert-butyl Ester → 3-(3,3-Dibenzylureido)-1-(4-methoxy-benzenesulfonyl)-2,3,4,7-terahydro-1H-azepine-2-carboxylic acid

https://huagongshe.com/reaction/1793833

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-(3,3-Dibenzylureido)-1-(4-methoxy-benzenesulfonyl)-2,3,4,7-tetrahydro-1H-azepine-2-carboxylic Acid tert-butyl EsterHCID 12087866—
Reactant3-Benzyloxycarbonylamino-1-(4-methoxy-benzenesulfonyl)-2,3,4,7-tetrahydro-1H-azepine-2-carboxylic acid tert-butyl esterHCID 15550526—
Product3-(3,3-Dibenzylureido)-1-(4-methoxy-benzenesulfonyl)-2,3,4,7-terahydro-1H-azepine-2-carboxylic acidHCID 12087867—

Reaction Steps

3-(3,3-Dibenzylureido)-1-(4-methoxy-benzenesulfonyl)-2,3,4,7-tetrahydro-1H-azepine-2-carboxylic acid tert-butyl ester (200 mg, 0.33 mMol) is reacted in the same manner as 3-Benzyloxycarbonylamino-1-(4-methoxy-benzenesulfonyl)-2,3,4,7-tetrahydro-1H-azepine-2-carboxylic acid tert-butyl ester and purified by flash-chromatography, Dichloromethane/Methanol (9:1) to afford the free acid: Cal. 550.6 found (M)+=550.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07022690B2
Source datasetuspto-grants-2006_04
ORD IDord-9bd834fc77ec4b2082117eafc5876489
Source noteuspto-grants-2006_04