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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2226041Generated: October 27, 2026

1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → (S)-1-(N-(3,5-Dichlorophenyl)-N-phenylcarbamoyl)-2-(2-(N-methyl-N-(2-methoxybenzyl)amino)ethylaminocarbonyl)-4-(N,N-di-n-pentylcarbamoyl)piperazine

https://huagongshe.com/reaction/2226041

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 15908—
Reactant1-HydroxybenzotriazoleHCID 75771—
ReactantN1-(2-methoxybenzyl)-N1-methylethane-1,2-diamineHCID 6484249—
Reactant(S)-1-[N-(3,5-Dichlorophenyl)-N-phenylcarbamoyl]-4-(N,N-di-n-pentylcarbamoyl)piperazine-2-carboxylic acidHCID 54538500—
Product(S)-1-(N-(3,5-Dichlorophenyl)-N-phenylcarbamoyl)-2-(2-(N-methyl-N-(2-methoxybenzyl)amino)ethylaminocarbonyl)-4-(N,N-di-n-pentylcarbamoyl)piperazineHCID 5455919290%

Reaction Steps

According to the procedure of Example 1, Step E above, 46 mg (0.080 mmole) of (S)-1-[N-(3,5-dichlorophenyl)-N-phenylcarbamoyl]-4-(N,N-di-n-pentylcarbamoyl)piperazine-2-carboxylic acid, 12 mg (0.088 mole) of HOBt, 21 mg (0.112 mmole) of EDAC, and 31 mg (0.16 mmole) of N-(2-methoxybenzyl)-N-methylethylenediamine (from Example 1, Step E b) above) after purification by flash chromatography on 16 g of silica gel eluting with 100:5:CH2Cl2 :methanol: provided 54 mg (90%) of an oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05344830
Source datasetuspto-grants-1994_09
ORD IDord-2da00f8d6a1a4f28b9f8ba0f24b8a638
Source noteuspto-grants-1994_09