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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 259706Generated: October 29, 2026

Hydrochloric Acid → HCID 178432185, compound

https://huagongshe.com/reaction/259706

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantSodium HydroxideHCID 14798—
ReactantHCID 178497326HCID 178497326—
ProductHCID 178432185HCID 178432185—

Reaction Conditions

Temperature70 °C

Reaction Steps

A mixture of dimethyl 2-methyl-4,5-benzimidazoledicarboxylate and 8 equivalents of 10N sodium hydroxide is stirred 4 hours at 70° C., cooled and acidified with hydrochloric acid to afford the title product as cream-colored crystals, mp 270° C. (dec).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05523279
Source datasetuspto-grants-1996_06
ORD IDord-82da21a90d21432780864b6187dbae0b
Source noteuspto-grants-1996_06