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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1029186Generated: November 1, 2026

Phenyl isocyanate → 7-(6-Oxo-5,6-dihydro-benzo[c][1,8]naphthyridin-1-yloxy)-2,3-dihydro-benzo[1,4]oxazine-4-carboxylic acid phenylamide

https://huagongshe.com/reaction/1029186

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhenyl isocyanateHCID 7672—
Reactant1-(3,4-Dihydro-2H-benzo[1,4]oxazin-7-yloxy)-5H-benzo[c][1,8]naphthyridin-6-oneHCID 69810883—
Product7-(6-Oxo-5,6-dihydro-benzo[c][1,8]naphthyridin-1-yloxy)-2,3-dihydro-benzo[1,4]oxazine-4-carboxylic acid phenylamideHCID 698118837.7%

Reaction Steps

The title compound was synthesized according to the procedure described for the preparation of Example 221 using 218 (50 mg, 0.14 mmol) and isocyanato benzene (26 mg, 0.22 mmol) to provide 223 (5 mg, 7% yield) as a tan solid. LC-MS (M+H=465, obsd.=465).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08735584B2
Source datasetuspto-grants-2014_05
ORD IDord-677ac0db55e1431a9165c57b4369523c
Source noteuspto-grants-2014_05