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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2241719Generated: November 3, 2026

1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochloride → 5-(4-tert-butoxycarbonyl-[1,4]diazepane-1-carbonyl)-1H-indole-2-carboxylic acid ethyl ester

https://huagongshe.com/reaction/2241719

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 2723939—
ReactantTert-butyl 1,4-diazepane-1-carboxylateHCID 2756058—
Reactant2-(Ethoxycarbonyl)-1H-indole-5-carboxylic acidHCID 18071365—
Product5-(4-tert-butoxycarbonyl-[1,4]diazepane-1-carbonyl)-1H-indole-2-carboxylic acid ethyl esterHCID 68536840—

Reaction Steps

The title compound was synthesized in analogy to Example 1, from 1H-indole-2,5-dicarboxylic acid 2-ethyl ester, [1,4]diazepane-1-carboxylic acid tert-butyl ester and 1-ethyl-3-(3-dimethylaminopropyl)-carbodiimide hydrochloride, to afford the product as a white solid (69%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07723325B2
Source datasetuspto-grants-2010_05
ORD IDord-c282c8bcfa77464e9ccc5f0b033d7289
Source noteuspto-grants-2010_05