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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 348193Generated: October 30, 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/348193

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 numberUS07176196B2
Source datasetuspto-grants-2007_02
ORD IDord-466a8ff74ae44b2aa27a3a9cd389811a
Source noteuspto-grants-2007_02