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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1672483Generated: October 30, 2026

Ethyl Acetate → HCID 178422922, compound

https://huagongshe.com/reaction/1672483

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl AcetateHCID 8857—
ReactantHCID 178489836HCID 178489836—
SolventDimethylformamideHCID 6228—
ProductHCID 178422922HCID 17842292295.2%

Reaction Conditions

Temperature120 °C

Reaction Steps

To a solution of trans-4-[(8-methoxy-7-methylquinazolin-2-yl)amino]cyclohexanol (16.7 g, 0.058 mol) in DMF (280 mL) was added NaSEt (11.9 g, 0.142 mol) in one portion at room temperature. The reaction mixture was stirred at 120° C. for 3 h. TLC (EtOAc) indicated the reaction was complete. DMF was removed in vacuo. The residue was taken up with water (200 mL), and the aqueous solution was adjusted to pH 6 with 1 N aq. HCl. The precipitate was filtered, washed with water (60 mL×2) and dried in vacuo to give the title compound (15.1 g, 95%) as an off-white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07998978B2
Source datasetuspto-grants-2011_08
ORD IDord-9a890d1181a442758765362d81d5002c
Source noteuspto-grants-2011_08