5,6,7,8-tetrahydro-6-[N,N-bis[(2-thienyl)ethyl]] amino-1-naphthol, and preparing method and use thereof
US9012660B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | Aug 6, 2012 |
| Grant date | Apr 21, 2015 |
| Priority date | — |
| Expiry date | Aug 6, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2030/8877
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present disclosure relates to 5,6,7,8-tetrahydro-6-[N,N-bis[(2-thienyl)ethyl]]amino-1-naphthol, a method for preparing the same, and use of 5,6,7,8-tetrahydro-6-[N,N-bis[(2-thienyl)ethyl]]amino-1-naphthol as a reference compound for determining an impurity in rotigotine or a preparation thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.