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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 860045Generated: October 30, 2026

Hydrochloric Acid → 3,4-Dihydro-2H-pyrido[3,2-b]-1,4-oxazine-6-pentanoic acid

https://huagongshe.com/reaction/860045

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantSodium HydroxideHCID 14798—
ReactantHCID 20622482HCID 20622482—
SolventMethanolHCID 887—
Product3,4-Dihydro-2H-pyrido[3,2-b]-1,4-oxazine-6-pentanoic acidHCID 23435508—

Reaction Steps

A solution of 4-6 (0.223 mmol) and 1.0 N NaOH solution (0.268 mL, 0.268 mmol) in MeOH (1.5 mL) was stirred overnight. The reaction was neutralized by adding 1.0 N HCl solution (0.268 mL, 0.268 mmol) then concentrated and used in Step G without further purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07153862B2
Source datasetuspto-grants-2006_12
ORD IDord-4f9b3f5d4ae64e5ebf7c69d6b71ab343
Source noteuspto-grants-2006_12