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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1762953Generated: October 26, 2026

Ethyl 3-(benzylamino)-3-methylbutanoate → 4-[N-benzyl-N-(2-ethoxycarbonyl-1,1-dimethylethyl)aminoacetyl]-7-hydroxyindole-2-carboxylic acid ethyl ester hydrochloride

https://huagongshe.com/reaction/1762953

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl 3-(benzylamino)-3-methylbutanoateHCID 288946—
ReactantEthyl 4-(chloroacetyl)-7-hydroxy-1H-indole-2-carboxylateHCID 13243454—
Product4-[N-benzyl-N-(2-ethoxycarbonyl-1,1-dimethylethyl)aminoacetyl]-7-hydroxyindole-2-carboxylic acid ethyl ester hydrochlorideHCID 7038146715.9%

Reaction Steps

Under the conditions of Example 28, 2.57 g of 4-chloroacetyl-7-hydroxyindole-2-carboxylic acid ethyl ester is reacted with 2.35 g of 3-benzylamino-3-methylbutyric acid ethyl ester and worked up, yielding 0.75 g of 4-[N-benzyl-N-(2-ethoxycarbonyl-1,1-dimethylethyl)aminoacetyl]-7-hydroxyindole-2-carboxylic acid ethyl ester hydrochloride, decomposition point 210°-212° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04835175
Source datasetuspto-grants-1989_05
ORD IDord-97730f51818f4c69874a30141c7f4ad7
Source noteuspto-grants-1989_05