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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1804368Generated: October 26, 2026

(4R)-4-ethyl-1,3-oxazolidin-2-one → (R)-3-{4-[4-(5-cyclopropyl-3-methylpyridin-2-yl)piperazine-1-carbonyl]-3-(1,1-dioxoisothiazolidin-2-yl)phenyl}-4-ethyloxazolidin-2-one

https://huagongshe.com/reaction/1804368

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(4R)-4-ethyl-1,3-oxazolidin-2-oneHCID 641503—
Reactant[4-Bromo-2-(1,1-dioxoisothiazolidin-2-yl)phenyl][4-(5-cyclopropyl-3-methylpyridin-2-yl)piperazin-1-yl]methanoneHCID 58484554—
Product(R)-3-{4-[4-(5-cyclopropyl-3-methylpyridin-2-yl)piperazine-1-carbonyl]-3-(1,1-dioxoisothiazolidin-2-yl)phenyl}-4-ethyloxazolidin-2-oneHCID 5848478185.7%

Reaction Steps

By reaction and treatment in the same manner as in Example 149 and using [4-bromo-2-(1,1-dioxoisothiazolidin-2-yl)phenyl][4-(5-cyclopropyl-3-methylpyridin-2-yl)piperazin-1-yl]methanone (519 mg) described in Preparation Example 179 and (R)-4-ethyloxazolidin-2-one (138 mg) described in Preparation Example 26, the title compound (474 mg) was obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08354401B2
Source datasetuspto-grants-2013_01
ORD IDord-72586e7dae754504afa8bec6000e6658
Source noteuspto-grants-2013_01