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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2418674Generated: November 3, 2026

Thiomorpholine → HCID 13239757, compound

https://huagongshe.com/reaction/2418674

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThiomorpholineHCID 67164—
Reactant8,9-Difluoro-3-methyl-6-oxo-2,3-dihydro-6H-1-oxa-3a-aza-phenalene-5-carboxylic acidHCID 534278—
SolventPyridineHCID 1049—
ProductHCID 13239757HCID 1323975722.9%

Reaction Steps

A mixture of 0.18 g (0.6 mmol) of 9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 0.3 ml (3.0 mmol) of thiomorpholine and 20 ml of pyridine was heated under reflux for 21 hours. The solution was evaporated to dryness, the residue was triturated with hot methanol, and filtered to give 0.05 g of the title compound, mp>300°.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04473568
Source datasetuspto-grants-1984_09
ORD IDord-7ebac5b15cf24ceda0ecb8ce67428d3b
Source noteuspto-grants-1984_09