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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1905534Generated: October 27, 2026

Hydrochloric Acid → HCID 178434854, compound

https://huagongshe.com/reaction/1905534

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant3,5-Dichloro-4-hydroxybenzaldehydeHCID 16839—
Reactant2-Oxime 2,3-butanedioneHCID 6398969—
SolventFormic AcidHCID 284—
ProductHCID 178434854HCID 178434854—

Reaction Steps

2-(3,5-Dichloro-4-hydroxyphenyl)-4,5 -dimethyloxazole N-oxide was prepared from 19.1 g 3,5-dichloro-4-hydroxybenzaldehyde and 10.1 g butanedione mono-oxime in formic acid in the presence of hydrogen chloride gas. There was obtained 12.2 g of product, m.p. 221°-223° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04843087
Source datasetuspto-grants-1989_06
ORD IDord-c01d80218d7a41f5b4eaf543c02a8b3f
Source noteuspto-grants-1989_06