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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 21049Generated: October 24, 2026

Thiopheneethanamine → 4-Chloro-7-[1-(tert-butoxycarbonyl)-5-(2-(thiophen-2-yl)ethylaminomethyl]indol-2-yl)isoindolinone

https://huagongshe.com/en/reaction/21049

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThiopheneethanamineHCID 116521—
ReactantSodium triacetoxyborohydrideHCID 5049666—
Reactant4-Chloro-7-[1-(tert-butoxycarbonyl)-5-formylindol-2-yl]isoindolinoneHCID 86628227—
SolventDichloromethaneHCID 6344—
Product4-Chloro-7-[1-(tert-butoxycarbonyl)-5-(2-(thiophen-2-yl)ethylaminomethyl]indol-2-yl)isoindolinoneHCID 68494003—

Reaction Steps

In a similar manner to Step 1 of Example 56, 4-chloro-7-[1-(tert-butoxycarbonyl)-5-formylindol-2-yl]isoindolinone (20.0 mg, 0.0487 mmol) was dissolved in dichloromethane (0.5 mL). The solution was treated with thiophene-2-ethylamine (0.023 mL, 0.20 mmol) and sodium triacetoxyborohydride (32 mg, 0.15 mmol) to obtain 4-chloro-7-[1-(tert-butoxycarbonyl)-5-(2-(thiophen-2-yl)ethylaminomethyl]indol-2-yl)isoindolinone.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07745641B2
Source datasetuspto-grants-2010_06
ORD IDord-8942cb62d85f48b5893084ffef4fd040
Source noteuspto-grants-2010_06