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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1820366Generated: October 29, 2026

Diisopropylethylamine → HCID 68682191, compound

https://huagongshe.com/reaction/1820366

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisopropylethylamineHCID 81531—
Reactant(R)-(-)-1-(2-Pyrrolidinylmethyl)pyrrolidineHCID 853151—
ReactantO-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 2733207—
Reactant2-(Ethoxycarbonyl)-1H-indole-5-carboxylic acidHCID 18071365—
SolventDimethylformamideHCID 6228—
ProductHCID 68682191HCID 6868219169%

Reaction Steps

The title compound was synthesized in analogy to example 1, intermediate a), from 1H-indole-2,5-dicarboxylic acid 2-ethyl ester, O-(benzotriazol-1-yl)-N,N,N′, N′-tetramethyluronium tetrafluoroborate (commercially available), (R)-(+)-1-(2-pyrrolidinylmethyl)pyrrolidine (commercially available) and N,N-diisopropylethylamine in N,N-dimethylformamide, to give the desired product as a light brown foam (69%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07601711B2
Source datasetuspto-grants-2009_10
ORD IDord-c9a7fab13e444fb1a7608b6007effc6e
Source noteuspto-grants-2009_10