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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 570120Generated: October 26, 2026

4-Nitro-benzoic acid 5-(1-ethoxycarbonyl-2-vinyl-cyclopropylcarbamoyl)-1-[hept-6-enyl-(4-methoxy-benzyl)-carbamoyl]-pyrrolidin-3-yl ester → 14-(4-Methoxy-benzyl)-18-(4-nitro-benzoyloxy)-2,15-dioxo-3,14,16-triaza-tricyclo[14.3.0.0*4,6*]nonadec-7-ene-4-carboxylic acid ethyl ester

https://huagongshe.com/reaction/570120

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Nitro-benzoic acid 5-(1-ethoxycarbonyl-2-vinyl-cyclopropylcarbamoyl)-1-[hept-6-enyl-(4-methoxy-benzyl)-carbamoyl]-pyrrolidin-3-yl esterHCID 66870506—
Catalyst(1,3-Bis(2,4,6-trimethylphenyl)imidazolidin-2-ylidene)(dichloro)((2-((propan-2-yl)oxy)phenyl)methylidene)rutheniumHCID 11763533—
Solvent1,2-DichloroethaneHCID 11—
Product14-(4-Methoxy-benzyl)-18-(4-nitro-benzoyloxy)-2,15-dioxo-3,14,16-triaza-tricyclo[14.3.0.0*4,6*]nonadec-7-ene-4-carboxylic acid ethyl esterHCID 66870501—

Reaction Steps

Compound 25 (406 mg, 0.6 mmol) was dissolved in DCE (250 ml) and degassed. Hoveyda-Grubbs Catalyst 2nd generation (26 mg, 0.042 mmol) was added and the solution was heated to reflux. After 3 h the solution was evaporated and used direct in the next step.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09023808B2
Source datasetuspto-grants-2015_05
ORD IDord-a0f28376eb6e484d8d3d0ea5f5944651
Source noteuspto-grants-2015_05