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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 393241Generated: October 25, 2026

1-(1-Isocyanatoethyl)naphthalene → 1-[6-methoxy-7-(N-methylpiperidin-4-ylmethoxy)quinazolin-4-yl]-3-[1-(1-naphthyl)ethyl]urea

https://huagongshe.com/reaction/393241

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-(1-Isocyanatoethyl)naphthaleneHCID 602753—
Reactant4-amino-6-methoxy-7-(N-methylpiperidin-4-ylmethoxy)quinazolineHCID 22243908—
Product1-[6-methoxy-7-(N-methylpiperidin-4-ylmethoxy)quinazolin-4-yl]-3-[1-(1-naphthyl)ethyl]ureaHCID 22649228—

Reaction Steps

Using an analogous procedure to that described in Example 14, 1-(1-naphthyl)ethyl isocyanate was reacted with 4-amino-6-methoxy-7-(N-methylpiperidin-4-ylmethoxy)quinazoline to give the title compound; NMR Spectrum: (CDCl3) 1.41-1.57 (m, 2H), 1.76 (m, partially obscured by water peak), 1.86-2.05 (m, 5H), 2.02 (s, 3H), 2.91 (s, 2H), 3.87 (s, 3H), 4.02 (d, 2H), 5.95 (s, 1H), 7.19 (s, 1H), 7.23 (s, 1H), 7.39-7.52 (m, 3H), 7.6 (d, 1H), 7.71 (d, 1H), 7.84 (m, 1H), 8.12 (m, 1H), 8.57 (s, 1H), 8.64 (s, 1H), 10.67 (t, 1H); Mass Spectrum: M+H+ 500.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06806274B1
Source datasetuspto-grants-2004_10
ORD IDord-35e1bb0a7bcd4c4cbf0661303e38c360
Source noteuspto-grants-2004_10