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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 642718Generated: October 31, 2026

ethyl 3-formyl-1H-indole-2-carboxylate → 1-(5-fluoro-benzo[b]thiophen-3-ylmethyl)-3-formyl-1H-indole-2-carboxylic acid ethyl ester

https://huagongshe.com/reaction/642718

Reaction equation

Participants

RoleNameHCIDCharge
Reactantethyl 3-formyl-1H-indole-2-carboxylateHCID 5107764—
Reactant3-(Bromomethyl)-5-fluoro-1-benzothiopheneHCID 13642592—
Product1-(5-fluoro-benzo[b]thiophen-3-ylmethyl)-3-formyl-1H-indole-2-carboxylic acid ethyl esterHCID 86613195—

Reaction Steps

Using general procedure B, 3-formyl-1H-indole-2-carboxylic acid ethyl ester was coupled with 3-bromomethyl-5-fluoro-benzo[b]thiophene (Lit. 18) to give 1-(5-fluoro-benzo[b]thiophen-3-ylmethyl)-3-formyl-1H-indole-2-carboxylic acid ethyl ester as white solid. MS: 382.3 ([M+H]+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07696240B2
Source datasetuspto-grants-2010_04
ORD IDord-fdab7c4d2c024a1db5f91e28a0ef4d0f
Source noteuspto-grants-2010_04