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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 710434Generated: October 30, 2026

5-(3,4-Diethoxyphenyl)-3-(1H-indol-4-yl)-1,2,4-oxadiazole → 5-(4-Ethoxy-3-methoxyphenyl)-3-(indolin-4-yl)-1,2,4-oxadiazole

https://huagongshe.com/reaction/710434

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-(3,4-Diethoxyphenyl)-3-(1H-indol-4-yl)-1,2,4-oxadiazoleHCID 25110297—
Reactant5-(4-ethoxy-3-methoxyphenyl)-3-(1H-indol-4-yl)-1,2,4-oxadiazoleHCID 66726592—
Product5-(4-Ethoxy-3-methoxyphenyl)-3-(indolin-4-yl)-1,2,4-oxadiazoleHCID 66726946100%

Reaction Steps

When the product of Step C was substituted for 5-(3,4-diethoxyphenyl)-3-(1H-indol-4-yl)-1,2,4-oxadiazole in Example 34, Step C, the identical process afforded the title compound 100% yield. 1H-NMR (CDCl3) 1.5 (tr, 3H, J=3.98 Hz); 3.6 (tr, 2H, J=7.79 Hz); 3.8 (tr, 2H, J=8.87 Hz); 3.99 (s, 3H); 4.19 (q, 2H, J=14, 7 Hz); 6.97 (d, 1H, J=8.5 Hz); 7.17 (d, 1H, J=7.79 Hz); 7.32 (tr, 1H, J=7.82 Hz); 7.66 (d, 1H, J=1.92 Hz); 7.67 (dd, 1H, J=1.97, 8.41 Hz), 7.89 (d, 1H, J=7.78 Hz).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09181182B2
Source datasetuspto-grants-2015_11
ORD IDord-4bedb07871fd46b9bb28a5ff61f59d7a
Source noteuspto-grants-2015_11