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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 619437Generated: November 2, 2026

Hydrochloric Acid → HCID 21190072, compound

https://huagongshe.com/reaction/619437

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantHCID 21190073HCID 21190073—
SolventMethanolHCID 887—
ProductHCID 21190072HCID 2119007288.8%

Reaction Steps

To a suspension of 816 mg (2.02 mmol) of 4,5-dihydro-2-methyl-4-[4-(trifluoromethanesulfonamido) butan-1-yl]-3H-1,4,8b-triazaacenaphthylene-3,5-dione in 10 ml of methanol was added 0.34 ml of conc. HCl, and the solvent was distilled off. To the residue was added acetone, and the resulting solid was washed with acetone, dried to give 790 mg of the desired compound (88.8%, colorless solid), m.p.181.0-182.0° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05958942
Source datasetuspto-grants-1999_09
ORD IDord-ddaefb6c429f484faaa5d9baeed760cd
Source noteuspto-grants-1999_09