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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1265915Generated: November 2, 2026

Trifluoroacetic acid → 8-Chloro-7-(ethyl-methyl-amino)-4-[3-(4-hydroxymethyl-oxazol-2-yl)-phenyl]-1,3-dihydro-benzo[b][1,4]diazepin-2-one

https://huagongshe.com/reaction/1265915

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant3-Oxo-3-[3-[4-(tetrahydro-pyran-2-yloxymethyl)-oxazol-2-yl]-phenyl]-propionic acid tert-butyl esterHCID 69688022—
ReactantCarbamic acid,[2-amino-4-chloro-5-(ethylmethylamino)phenyl]-,1,1-dimethylethyl esterHCID 69688249—
SolventDichloromethaneHCID 6344—
Product8-Chloro-7-(ethyl-methyl-amino)-4-[3-(4-hydroxymethyl-oxazol-2-yl)-phenyl]-1,3-dihydro-benzo[b][1,4]diazepin-2-oneHCID 10159419—

Reaction Steps

The title compound was prepared from [2-amino-4-chloro-5-(ethyl-methyl-amino)-phenyl]-carbamic acid tert-butyl ester (0.15 g) (Example J7) and 3-oxo-3-[3-[4-(tetrahydro-pyran-2-yloxymethyl)-oxazol-2-yl]-phenyl]-propionic acid tert-butyl ester (0.22 g) (Example K11) according to the general procedure M. The obtained material was deprotected and cyclized by treatment with TFA in CH2Cl2 according to the general procedure N. Obtained as a yellow solid (0.10 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06544985B2
Source datasetuspto-grants-2003_04
ORD IDord-32c1252f130d47f0874361cc1e3acbef
Source noteuspto-grants-2003_04