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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 839233Generated: October 30, 2026

Nitric Acid → 1-Methyl-5-(5-nitrofuran-2-yl)-1H-pyrazole-4-carbonitrile

https://huagongshe.com/reaction/839233

Reaction equation

Participants

RoleNameHCIDCharge
ReactantNitric AcidHCID 944—
ReactantAcetic AnhydrideHCID 7918—
ReactantHCID 20326245HCID 20326245—
Product1-Methyl-5-(5-nitrofuran-2-yl)-1H-pyrazole-4-carbonitrileHCID 20326063—

Reaction Steps

Following the procedure of Example 21, react 1.3 g of 5-(2-furyl)-1-methylpyrazole-4-carbonitrile [German Offenlegungsschrift (DOS) 1,809,386] with 11.5 ml of acetic anhydride and 3 ml of 65% nitric acid to obtain 1-methyl-5-(5-nitro-2-furyl)pyrazole-4-carbonitrile [m.p. 149.5° to 151.5° C].

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04093812
Source datasetuspto-grants-1978_06
ORD IDord-2cca975e37f5410bbadde656edbdbd1d
Source noteuspto-grants-1978_06