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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 275997Generated: October 30, 2026

Diisopropylethylamine → HCID 10717980, compound

https://huagongshe.com/reaction/275997

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisopropylethylamineHCID 81531—
ReactantP-HydroxynorephedrineHCID 6931143—
ReactantHCID 10498372HCID 10498372—
SolventDimethylformamideHCID 6228—
ProductHCID 10717980HCID 1071798058.6%

Reaction Conditions

Temperature70 °C

Reaction Steps

To a solution of (1R,2S)-2-amino-1-(4-hydroxyphenyl)-propan-1-ol (495 mg) and ethyl N-[4-(2-bromoethyl)-2,6-dichloro-phenyl]aminoacetate (700 mg) in N,N-dimethylformamide (6 ml) was added N,N-diisopropylethylamine (343 μl), and the mixture was stirred for 7 hours at 70° C. The reaction mixture was concentrated in vacuo, and purification of the residue by medium pressure liquid column chromatography on aminopropyl silica gel (eluent: dichloro-methane/ethanol=20/1) gave ethyl N-[2,6-dichloro-4-[2-[[(1S, 2R)-2-hydroxy-2-(4-hydroxyphenyl)-1-methylethyl]amino]-ethyl]phenyl]aminoacetate (510 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06353025B1
Source datasetuspto-grants-2002_03
ORD IDord-7438128c5ca244b7bec72958614874a5
Source noteuspto-grants-2002_03