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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2072409Generated: October 30, 2026

HCID 54517551, compound → HCID 21409154, compound

https://huagongshe.com/reaction/2072409

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHCID 54517551HCID 54517551—
SolventDiethyl PyrocarbonateHCID 3051—
ProductHCID 21409154HCID 21409154—

Reaction Steps

Analogously to Example 1, 0.1 mol of 3.7-diamino-5-trifluoromethylindazole in 70 ml of pyrocarbonic acid diethyl ester gives 3,7-diamino-5-trifluoromethylindazole-2-carboxylic acid ethyl ester (melting point: 193°-194° C; 90% of theory) in 1 hour at 20°-30° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04051252
Source datasetuspto-grants-1977_09
ORD IDord-01a1b8c1d2e74c9fa25b4ad6eeac7f83
Source noteuspto-grants-1977_09