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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 641215Generated: October 31, 2026

Lactic Acid → HCID 135856772, compound

https://huagongshe.com/reaction/641215

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 numberUS07696206B2
Source datasetuspto-grants-2010_04
ORD IDord-e75ee242e02c4be3b3af3d2b10bed26b
Source noteuspto-grants-2010_04