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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 413086Generated: October 29, 2026

Lactic Acid → HCID 135856772, compound

https://huagongshe.com/reaction/413086

Reaction equation

Participants

RoleNameHCIDCharge
ReactantLactic AcidHCID 612—
ReactantN-Desethyl-N-Methyl VardenafilHCID 135544141—
SolventWaterHCID 962—
SolventDiethyl EtherHCID 3283—
ProductHCID 135856772HCID 135856772—

Reaction Steps

100 mg (0.211 mmol) of 2-[2-ethoxy-5-(4-methyl-piperazine-1-sulphonyl)-phenyl]-5-methyl-7-propyl-3H-imidazo[5,1-f][1,2,4]triazin-4-one are suspended in 5 ml of ether and admixed with 20 mg of an 85% strength solution of lactic acid in water. The mixture is stirred at room temperature for 10 minutes and evaporated to dryness. The residue is titrated with ether and filtered off with suction. This gives 110 mg (92%) of 2-[2-ethoxy-5-(4-methyl-piperazine-1-sulphonyl)-phenyl]-5-methyl-7-propyl-3H-imidazo[5,1-f][1,2,4]triazin-4-one lactate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06566360B1
Source datasetuspto-grants-2003_05
ORD IDord-3246fdb08c5a43b2933cb7dd94c4a701
Source noteuspto-grants-2003_05