Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1956550Generated: November 1, 2026

Carbon Dioxide → 5-Carboxy-2-ethylindole

https://huagongshe.com/reaction/1956550

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCarbon DioxideHCID 280—
Reactant5-Chloro-2-methylindoleHCID 70636—
Reactant2-chloro-1H-indoleHCID 640840—
Reactant2-(2-Methyl-1-buten-4-yl)indoleHCID 18761628—
Product5-Carboxy-2-ethylindoleHCID 22708328—

Reaction Steps

This synthesis could start with 5-chloro-2-methylindole, which could be alkylated with methyl indole (see 28a). The product chloroindole could then be converted to its Grignard species and exposed to carbon dioxide to finish the synthesis.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05780496
Source datasetuspto-grants-1998_07
ORD IDord-abda413fe31542eba4950c0b6f1bf4c6
Source noteuspto-grants-1998_07