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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1864349Generated: October 27, 2026

Methyl Isocyanate → N-{(2R)-2-[(4-{[3-Chloro-4-(pyridin-2-ylmethoxy)phenyl]amino}quinazolin-5-yl)oxy]propyl}-N'-methylurea

https://huagongshe.com/reaction/1864349

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethyl IsocyanateHCID 12228—
Reactant5-[(1R)-2-amino-1-methylethoxy]-N-[3-chloro-4-(pyridin-2-ylmethoxy)phenyl]quinazolin-4-amineHCID 69059628—
ProductN-{(2R)-2-[(4-{[3-Chloro-4-(pyridin-2-ylmethoxy)phenyl]amino}quinazolin-5-yl)oxy]propyl}-N'-methylureaHCID 5797428043%

Reaction Steps

The procedure described in Example 120 was repeated using methyl isocyanate and 5-[(1R)-2-amino-1-methylethoxy]-N-[3-chloro-4-(pyridin-2-ylmethoxy)phenyl]quinazolin-4-amine (obtained as described in Example 65, preparation of starting materials) to give the title compound as a solid in 43% yield; NMR spectrum (DMSO-d6 @ 373K) 1.40-1.45 (d, 3H), 2.50-2.55 (d, 3H), 3.38-3.48 (m, 1H), 3.50-3.60 (m, 1H), 4.83-4.92 (m, 1H), 5.28 (s, 2H), 5.55-5.65 (bs, 1H), 6.00-6.10 (bs, 1H), 7.19-7.24 (dd, 2H), 7.31-7.37 (m, 2H), 7.56-7.62 (m, 2H), 7.66-7.73 (t, 1H), 7.81-7.88 (dt, 1H), 8.06-8.08 (d, 1H), 8.48 (s, 1H), 8.55-8.60 (d, 1H), 9.95-10.05 (bs, 1H); Mass spectrum MH+ 493.4.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07625908B2
Source datasetuspto-grants-2009_12
ORD IDord-3835b2e0dd114f9e9ce6d7118d137c50
Source noteuspto-grants-2009_12