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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2102022Generated: October 25, 2026

5-Nitroindazole → 5-Nitro-1-({5-[3-(trifluoromethyl)phenyl]-1,2,4-oxadiazol-3-yl}methyl)-1H-indazole

https://huagongshe.com/reaction/2102022

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-NitroindazoleHCID 21501—
Reactant3-(Chloromethyl)-5-[3-(trifluoromethyl)phenyl]-1,2,4-oxadiazoleHCID 2736622—
Product5-Nitro-1-({5-[3-(trifluoromethyl)phenyl]-1,2,4-oxadiazol-3-yl}methyl)-1H-indazoleHCID 57800372—

Reaction Steps

Synthesized as described in Example 4 using 5-nitro-1H-indazole and 5-[3(trifluoromethyl)phenyl]-3-(chloromethyl)-1,2,4-oxadiazole to afford a mixture of regioisomers. The following data are for the title regioisomer: 1H NMR (400 MHz, CDCl3) δ 8.75 (d, J=1.7 Hz, 1H), 8.34 (m, 2H), 8.27 (m, 2H), 7.84 (d, J=7.8 Hz, 1H), 7.65 (m, 2H), 5.83 (s, 2H); MS (ES) m/z 389 (M+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07572820B2
Source datasetuspto-grants-2009_08
ORD IDord-3135c90fbb3544f88c2d2ca99e9e00ad
Source noteuspto-grants-2009_08