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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1626618Generated: November 2, 2026

Ethyl isocyanate → (S)-1-ethyl-3-(5-(7-methyl-4-(3-methylmorpholino)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-2-yl)thiazol-2-yl)urea

https://huagongshe.com/reaction/1626618

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl isocyanateHCID 8022—
Reactant(S)-5-(7-methyl-4-(3-methylmorpholino)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-2-yl)thiazol-2-amineHCID 86663160—
Product(S)-1-ethyl-3-(5-(7-methyl-4-(3-methylmorpholino)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-2-yl)thiazol-2-yl)ureaHCID 8666316111%

Reaction Steps

The product from step 1 was treated as described for example 85 with ethyl isocyanate. The mixture was concentrated in vacuo and the material purified by prep HPLC at high and low pH, yielding the title compound (15.5 mg, 0.037 mmol, 11% over 2 steps).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08785457B2
Source datasetuspto-grants-2014_07
ORD IDord-2f21ae71f13e46b9ad27e965921d8aab
Source noteuspto-grants-2014_07