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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1678173Generated: October 25, 2026

2-chloro-1H-indole-3-carbaldehyde → 2-Chloro-1-(4-ethylphenyl)-1H-indole-3-carboxaldehyde

https://huagongshe.com/reaction/1678173

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-chloro-1H-indole-3-carbaldehydeHCID 314791—
ReactantBoronic acid, (4-ethylphenyl)-HCID 2734352—
Product2-Chloro-1-(4-ethylphenyl)-1H-indole-3-carboxaldehydeHCID 8603590373%

Reaction Steps

2-Chloro-1H-indole-3-carboxaldehyde is reacted with 4-ethylphenylboronic acid as described in Step 1 of Example 29 to afford 2-chloro-1-(4-ethyl-phenyl)-1H-indole-3-carboxaldehyde (73% yield) as a light yellow solid. ESI/MS 284 (M+H); RT=4.04 min; NMR 10.12 (1H, s); 8.20 (1H, d, J=9 Hz); 7.54 (4H, m); 7.38 (2H, m); 7.28 (1H, d); 2.77 (2H, q); 1.28 (3H, t).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08008491B2
Source datasetuspto-grants-2011_08
ORD IDord-d09a3fdfaa484b18a2b161fc1f66c2ba
Source noteuspto-grants-2011_08