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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1349639Generated: October 27, 2026

3-Nitrostyrene → 5-[(1E)-2-(3-Nitrophenyl)vinyl]-3-(4-fluorophenyl)-1H-indazole

https://huagongshe.com/reaction/1349639

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-NitrostyreneHCID 68514—
Reactant5-bromo-3-(4-fluorophenyl)-1H-indazoleHCID 22480293—
Product5-[(1E)-2-(3-Nitrophenyl)vinyl]-3-(4-fluorophenyl)-1H-indazoleHCID 2248018452%

Reaction Steps

The title compound (0.134 g, 52% yield) was prepared as described in Example 132 D, using 5-bromo-3-(4-fluorophenyl)-1H-indazole (0.291 g, 1.0 mmol) and 3-nitrostyrene (0.298 g, 2.0 mmol). 1H NMR (CDCl3) δ 10.12 (br s, 1H), 8.41 (t, 1H), 8.11 (ddd, 1H), 8.07 (s, 1H), 7.97 (m, 2H), 7.82 (d, 1H), 7.73 (dd, 1H), 7.54 (m, 2H), 7.40 (d, 1H), 7.26 (m, 2H), 7.16 (d, 1H); ES-MS (m/z) 360 [M+1]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07211594B2
Source datasetuspto-grants-2007_05
ORD IDord-999be28d42034300be88930baa5f6e00
Source noteuspto-grants-2007_05