Nova Patents
ATE448231T1

Processes for preparing morphinan-6-one products with low levels of alpha, beta-unsaturated ketone compounds

Abstract

The present invention generally relates to processes for preparing highly pure morphinan-6-one products. The processes involve reducing the concentration of alpha, beta unsaturated ketone compounds present as impurities in morphinan 6 one products or reaction mixtures including morphinan 6 one compounds by treatment with a sulfur-containing compound.

Term

0.4 yearsto projected expiry

Projected expiry 2 March 2027, counted from filing; an application has no term until it is granted.

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27 members in 10 offices

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DocumentOfficeKind
AU2007224221A1AustraliaA1
CA2644095A1CanadaA1
WO2007103105A2World Intellectual Property Organization (WIPO)A2
WO2007103105A3World Intellectual Property Organization (WIPO)A3
MX2008010921AMexicoA
EP1994034A2European Patent Office (EPO)A2
US2008312442A1United States of AmericaA1
CN101395159AChinaA
JP2009528366AJapanA
EP1994034B1European Patent Office (EPO)B1
AT448231TAustriaT
ATE448231T1This recordAustriaT1
DE602007003197D1GermanyD1
US2012059167A1United States of AmericaA1
AU2007224221B2AustraliaB2
AU2013205836A1AustraliaA1
JP2013173765AJapanA
US8748611B2United States of AmericaB2
US8871779B2United States of AmericaB2
JP5695296B2JapanB2
US2015148365A1United States of AmericaA1
AU2013205836B2AustraliaB2
US2016243113A1United States of AmericaA1
US2018008596A1United States of AmericaA1
US2019381033A1United States of AmericaA1
US2020338068A1United States of AmericaA1
US2022079938A1United States of AmericaA1