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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1788192Generated: November 1, 2026

3-(Benzyloxy)-9,9-dimethyl-4-oxo-4,6,7,9-tetrahydropyrimido[2,1-c][1,4]oxazine-2-carboxylic acid → HCID 58777352, compound

https://huagongshe.com/reaction/1788192

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-(Benzyloxy)-9,9-dimethyl-4-oxo-4,6,7,9-tetrahydropyrimido[2,1-c][1,4]oxazine-2-carboxylic acidHCID 21069858—
ReactantHCID 68890276HCID 68890276—
ProductHCID 58777352HCID 58777352—

Reaction Steps

The title compound can be prepared from intermediate 27, 3-(benzyloxy)-9,9-dimethyl-4-oxo-4,6,7,9-tetrahydropyrimido-[2,1-c][1,4]oxazine-2-carboxylic acid and (S)-1-(2-(aminomethyl)-5-fluorophenyl)-5-((tert-butyldimethylsilyloxy)methyl)pyrrolidin-2-one, derived from reduction of intermediate 122, (R)-2-(2-((tert-butyldimethylsilyloxy)methyl)-5-oxopyrrolidin-1-yl)-4-fluorobenzonitrile 1HNMR 400 MHz (DMSO) δ ppm: 8.82 (1H, broad s), 7.47 (2H, m), 7.35 (4H, m), 7.00 (1H, broad s), 5.09 (2H, s), 4.60-4.10 (3H, m), 4.02 (3H, m), 3.88 (2H, m), 3.53 (2H, broad s), 2.42-2.35 (2H, m), 1.94 (1H, m), 1.56 (3H, s), 1.55 (3H, s), 0.82 (9H, broad s), −0.01 (6H, s). LCMS (M+H)+ m/z 665.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07511037B2
Source datasetuspto-grants-2009_03
ORD IDord-0ec10a78356f4847b05eaa42258acffc
Source noteuspto-grants-2009_03