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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1069099Generated: October 30, 2026

(R)-3'-[[2-[[2-(3-Chlorophenyl)-2-[[(tert-butyl)dimethylsilyl]oxy]ethyl][(tert-butoxy)carbonyl]amino]ethyl]amino]-[1,1'-biphenyl]-3,4-dicarboxylic acid dimethyl ester → (R)-3'-[[2-[[2-(3-Chlorophenyl)-2-hydroxyethyl]amino]ethyl]amino]-[1,1'-biphenyl]-3,4-dicarboxylic acid dimethyl ester dihydrochloride

https://huagongshe.com/reaction/1069099

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(R)-3'-[[2-[[2-(3-Chlorophenyl)-2-[[(tert-butyl)dimethylsilyl]oxy]ethyl][(tert-butoxy)carbonyl]amino]ethyl]amino]-[1,1'-biphenyl]-3,4-dicarboxylic acid dimethyl esterHCID 69780599—
SolventHydrochloric AcidHCID 313—
Solvent1,4-DioxaneHCID 31275—
Product(R)-3'-[[2-[[2-(3-Chlorophenyl)-2-hydroxyethyl]amino]ethyl]amino]-[1,1'-biphenyl]-3,4-dicarboxylic acid dimethyl ester dihydrochlorideHCID 69780650—

Reaction Steps

Assay Found: C 55.03; H 5.36; N 5.04%; C26H27Cl1N2O5.0.64H2O requires C 55.04; H 5.38; N 4.94%; from (R)-3′-[[2-[[2-(3-chlorophenyl)-2-[[(tert-butyl)dimethylsilyl]oxy]ethyl][(tert-butoxy)carbonyl]amino]ethyl]amino]-[1,1′-biphenyl]-3,4-dicarboxylic acid dimethyl ester (1.1 g) in 4 N hydrochloric acid in dioxane (10 mL).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06251925B1
Source datasetuspto-grants-2001_06
ORD IDord-8fbe6a29344a4554a628bd78de802669
Source noteuspto-grants-2001_06