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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1830412Generated: November 2, 2026

Methanesulfonic Acid → N-(Pyridin-3-yl)-5-(5,6-dimethoxy-3-methyl-1,4-benzoquinon-2-yl)methyl-2-hydroxybenzamide (methanesulfonate)

https://huagongshe.com/reaction/1830412

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanesulfonic AcidHCID 6395—
ReactantN-(Pyridin-3-yl)-5-(5,6-dimethoxy-3-methyl-1,4-benzoquinon-2-yl)methyl-2-acetoxybenzamideHCID 22054295—
SolventMethanolHCID 887—
ProductN-(Pyridin-3-yl)-5-(5,6-dimethoxy-3-methyl-1,4-benzoquinon-2-yl)methyl-2-hydroxybenzamide (methanesulfonate)HCID 8659309982%

Reaction Steps

Methanesulfonic acid (0.00732 g, 0.0762 mmol) was added to a methanol solution (2 ml) of N-(pyridin-3-yl)-5-(5,6-dimethoxy-3-methyl-1,4-benzoquinon-2-yl)methyl-2-acetoxybenzamide (0.0327 g, 0.0726 mmol), and the solvent was removed by distillation. The obtained residue was recrystallized from a mixed solvent of methanol, hexane and toluene (1:2:0.2) to obtain the titled compound (0.030 g, 0.0595 mmol, 82%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07064124B2
Source datasetuspto-grants-2006_06
ORD IDord-3fa3a82733654a9887f1972f9ef54823
Source noteuspto-grants-2006_06