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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 556629Generated: October 27, 2026

Cyclohexyl 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-cyclohexylurea

https://huagongshe.com/reaction/556629

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCyclohexyl isocyanateHCID 18502—
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-cyclohexylureaHCID 5963961078.1%

Reaction Steps

The title compound from Example 157 (42.3 mg, 0.0001 mol) was treated with cyclohexylisocyanate (12.5 mg, 0.00011 mol) in the same manner as described in Example 158. Purification afforded 43 mg (78%) of the title compound as a red solid (m.p. 178°-183°) LC MS (m/e)=551 (MH+). Rt=2.38 min.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08058282B2
Source datasetuspto-grants-2011_11
ORD IDord-5c30c49cfead4e4b9881e94ee3b8234f
Source noteuspto-grants-2011_11