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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 443592Generated: October 30, 2026

Acetic Anhydride → HCID 19834543, compound

https://huagongshe.com/reaction/443592

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AnhydrideHCID 7918—
ReactantHCID 19834564HCID 19834564—
ProductHCID 19834543HCID 19834543—

Reaction Steps

23 g of 3-anilino-4-methoxycarbonyl-5-methylpyrazole is dissolved in 51 g of acetic anhydride and brought to the boil. After 15 minutes' boiling the mixture is allowed to cool, poured into ice water and stirred for 30 minutes. The solid which separates is isolated and recrystallized from methanol; m.p. 115°-116° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04260775
Source datasetuspto-grants-1981_04
ORD IDord-04a0540a081a4e34942ee26cfa3dff2a
Source noteuspto-grants-1981_04