Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2114991Generated: October 25, 2026

6-amino-1,3-benzoxazol-2(3H)-one → 2-Oxo-N-(2-oxo-2,3-dihydro-benzoxazol-6-yl)-2-(4-p-tolyloxy-piperidin-1-yl)-acetamide

https://huagongshe.com/reaction/2114991

Reaction equation

Participants

RoleNameHCIDCharge
Reactant6-amino-1,3-benzoxazol-2(3H)-oneHCID 826989—
ReactantOxo-(4-p-tolyloxy-piperidin-1-yl)-acetic acidHCID 69100252—
Product2-Oxo-N-(2-oxo-2,3-dihydro-benzoxazol-6-yl)-2-(4-p-tolyloxy-piperidin-1-yl)-acetamideHCID 10111285—

Reaction Steps

The title compound is prepared from oxo-(4-p-tolyloxy-piperidin-1-yl)-acetic acid (Example 26b) and 6-amino-3H-benzoxazol-2-one according to the method described in Example 2. The filtered crystals are purified by column chromatography using Kieselgel 60 (Merck) as adsorbent and toluene:methanol=4:1 as eluent. Melting Point: 203° C. (isopropanol)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07435744B2
Source datasetuspto-grants-2008_10
ORD IDord-3bad3d901d504ceda55ec6688cc5b8b6
Source noteuspto-grants-2008_10