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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1631731Generated: November 4, 2026

Potassium Phosphate, Tribasic → 2-chloro-5-(6-methoxy-2,3-dihydro-1H-inden-1-yl)-6a,7,9,10-tetrahydro-[1,4]oxazino[3,4-h]pteridin-6(5H)-one

https://huagongshe.com/reaction/1631731

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium Phosphate, TribasicHCID 62657—
Reactant1,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 636044—
Reactant4-(5-bromo-2-chloropyrimidin-4-yl)-N-(6-methoxy-2,3-dihydro-1H-inden-1-yl)morpholine-3-carboxamideHCID 86670117—
Catalystpalladium(II) acetateHCID 167845—
Solventtert-ButanolHCID 6386—
Solvent1,4-DioxaneHCID 31275—
Product2-chloro-5-(6-methoxy-2,3-dihydro-1H-inden-1-yl)-6a,7,9,10-tetrahydro-[1,4]oxazino[3,4-h]pteridin-6(5H)-oneHCID 86670118—

Reaction Steps

The title compound was prepared in a manner similar to PREPARATION x35 using 4-(5-bromo-2-chloropyrimidin-4-yl)-N-(6-methoxy-2,3-dihydro-1H-inden-1-yl)morpholine-3-carboxamide (PREPARATION x42, 472 mg, 1.009 mmol), Xantphos (43.8 mg, 0.076 mmol), potassium phosphate (214 mg, 1.009 mmol) and palladium(II)acetate (11.33 mg, 0.050 mmol) in dioxane (5 mL) and tert-butanol (1 mL). ESI-MS m/z [M+H]+ calc'd for C19H19ClN4O3, 387.11. found 387.4.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08791107B2
Source datasetuspto-grants-2014_07
ORD IDord-610cf126220842a7a12a71cf6d9408c5
Source noteuspto-grants-2014_07