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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1695986Generated: October 30, 2026

Morpholine → 2-chloro-5,6a-dimethyl-4-morpholino-6a,7,9,10-tetrahydro-[1,4]oxazino[3,4-h]pteridin-6(5H)-one

https://huagongshe.com/reaction/1695986

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMorpholineHCID 8083—
ReactantTriethylamineHCID 8471—
Reactant2,4-dichloro-5,6a-dimethyl-6a,7,9,10-tetrahydro-[1,4]oxazino[3,4-h]pteridin-6(5H)-oneHCID 86651567—
SolventDichloromethaneHCID 6344—
Product2-chloro-5,6a-dimethyl-4-morpholino-6a,7,9,10-tetrahydro-[1,4]oxazino[3,4-h]pteridin-6(5H)-oneHCID 86651568—

Reaction Conditions

Temperature50 °C

Reaction Steps

2,4-Dichloro-5,6a-dimethyl-6a,7,9,10-tetrahydro-[1,4]oxazino[3,4-h]pteridin-6(5H)-one (20 mg, 0.066 mmol), triethylamine (18.44 μL, 0.132 mmol) and morpholine (5.75 μL, 0.066 mmol) were mixed in dichloromethane at room temperature and stirred over the weekend at 50° C. The solvent was removed in vacuo to give crude 2-chloro-5,6a-dimethyl-4-morpholino-6a,7,9,10-tetrahydro-[1,4]oxazino[3,4-h]pteridin-6(5H)-one. MS [M+H] Found 354.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08163755B2
Source datasetuspto-grants-2012_04
ORD IDord-c9e2944d90f340178e57db3960db20f7
Source noteuspto-grants-2012_04