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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2249820Generated: October 25, 2026

Phenyl isocyanate → 1-[2-[8-(2,6-Difluorophenyl)-4-(4-fluoro-2-methylphenyl)-7-oxo-7,8-dihydro-pyrido[2,3-d]pyrimidin-2-ylamino]ethyl]-3-phenylurea

https://huagongshe.com/reaction/2249820

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhenyl isocyanateHCID 7672—
Reactant2-[(2-Aminoethyl)amino]-8-(2,6-difluorophenyl)-4-(4-fluoro-2-methylphenyl)pyrido[2,3-d]pyrimidin-7(8H)-oneHCID 59639577—
Product1-[2-[8-(2,6-Difluorophenyl)-4-(4-fluoro-2-methylphenyl)-7-oxo-7,8-dihydro-pyrido[2,3-d]pyrimidin-2-ylamino]ethyl]-3-phenylureaHCID 5963955779%

Reaction Steps

The title compound from Example 157 (42.3 mg, 0.0001 mol) was treated with phenylisocyanate (11.9 mg, 0.00011 mol) in the same manner as described in Example 158. Purification afforded 43 mg (79%) of the title compound as a red solid (m.p. 142°-148°) LC MS (m/e)=545 (MH+). Rt=2.34 min.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07314881B2
Source datasetuspto-grants-2008_01
ORD IDord-e658cdf9804f415c8373e9b953f3c762
Source noteuspto-grants-2008_01