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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 744820Generated: October 30, 2026

Hydrochloric Acid → 5(S)-Amino-4(S)-hydroxy-7(S)-isopropyl-2(R)-methyl-8-[4-methoxy-3-(3-methoxypropyloxy)-phenyl]-octanoic acid N-[2-(4-hydroxypiperidin-1-yl)ethyl]amide dihydrochloride

https://huagongshe.com/reaction/744820

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant5(S)-Tert-butoxycarbonylamino-4(S)-hydroxy-7(S)-isopropyl-2(R)-methyl-8-[4-methoxy-3-(3-methoxypropyloxy)-phenyl]-octanoic acid N-[2-(4-hydroxypiperidin-1-yl)-ethyl]-amideHCID 54295399—
Solvent1,4-DioxaneHCID 31275—
Product5(S)-Amino-4(S)-hydroxy-7(S)-isopropyl-2(R)-methyl-8-[4-methoxy-3-(3-methoxypropyloxy)-phenyl]-octanoic acid N-[2-(4-hydroxypiperidin-1-yl)ethyl]amide dihydrochlorideHCID 69646547—

Reaction Conditions

Temperature0 °C

Reaction Steps

100 mg of 5(S)-tert-butoxycarbonylamino-4(S)-hydroxy-7(S)-isopropyl-2(R)-methyl-8-[4-methoxy-3-(3-methoxypropyloxy)-phenyl]-octanoic acid N-[2-(4-hydroxy-piperidin-1-yl)-ethyl]-amide are dissolved in 3 ml of 4N hydrochloric acid in dioxane at 0° C., and the mixture is stirred for 2 hours at 0° C. The reaction mixture is lyophilised and the title compound is obtained: Rf (dichloromethane/methanol=8:2)=0.08; HPLC Rt =8.85 minutes; FAB-MS (M+H)+ =552.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05559111
Source datasetuspto-grants-1996_09
ORD IDord-f417fab5417d4fdaa071bfc3c1951949
Source noteuspto-grants-1996_09