DE69729460D1 - Verfahren zur herstellung von 1-alkyl-3-methylpiperidon-2 und 1-alkyl-5-methylpiperidon-2 - Google Patents

Verfahren zur herstellung von 1-alkyl-3-methylpiperidon-2 und 1-alkyl-5-methylpiperidon-2

Info

Publication number
DE69729460D1
DE69729460D1 DE69729460T DE69729460T DE69729460D1 DE 69729460 D1 DE69729460 D1 DE 69729460D1 DE 69729460 T DE69729460 T DE 69729460T DE 69729460 T DE69729460 T DE 69729460T DE 69729460 D1 DE69729460 D1 DE 69729460D1
Authority
DE
Germany
Prior art keywords
methylpiperidon
alkyl
producing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69729460T
Other languages
English (en)
Other versions
DE69729460T2 (de
Inventor
Edward Herkes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Invista Technologies SARL USA
Original Assignee
EI Du Pont de Nemours and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/853,182 external-priority patent/US5808078A/en
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of DE69729460D1 publication Critical patent/DE69729460D1/de
Publication of DE69729460T2 publication Critical patent/DE69729460T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
    • C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D211/68—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
    • C07D211/72—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, directly attached to ring carbon atoms
    • C07D211/74—Oxygen atoms
    • C07D211/76—Oxygen atoms attached in position 2 or 6
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
DE69729460T 1996-09-06 1997-08-13 Verfahren zur herstellung von 1-alkyl-3-methylpiperidon-2 und 1-alkyl-5-methylpiperidon-2 Expired - Lifetime DE69729460T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US70899996A 1996-09-06 1996-09-06
US708999 1996-09-06
US853182 1997-05-08
US08/853,182 US5808078A (en) 1997-02-07 1997-05-08 Process for preparation of 1-alkyl-3-methylpiperidone-2 and 1-alkyl-5-methylpiperidone-2
PCT/US1997/014223 WO1998009947A2 (en) 1996-09-06 1997-08-13 Process for preparation of 1-alkyl-3-methylpiperidone-2 and 1-alkyl-5-methylpiperidone-2

Publications (2)

Publication Number Publication Date
DE69729460D1 true DE69729460D1 (de) 2004-07-15
DE69729460T2 DE69729460T2 (de) 2005-06-30

Family

ID=27108186

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69729460T Expired - Lifetime DE69729460T2 (de) 1996-09-06 1997-08-13 Verfahren zur herstellung von 1-alkyl-3-methylpiperidon-2 und 1-alkyl-5-methylpiperidon-2

Country Status (8)

Country Link
EP (1) EP0927162B1 (de)
JP (1) JP3481950B2 (de)
KR (1) KR100474615B1 (de)
CN (1) CN1165523C (de)
CA (1) CA2260927A1 (de)
DE (1) DE69729460T2 (de)
TW (1) TW473473B (de)
WO (1) WO1998009947A2 (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7704179A (nl) * 1977-04-18 1978-10-20 Stamicarbon Werkwijze voor de bereiding van n-gesubstitu- eerde 2-pyrrolidonen.
US4625023A (en) * 1985-09-03 1986-11-25 Allied Corporation Selective conversion of aliphatic and aromatic aminonitriles and/or dinitriles into lactams
US5449780A (en) * 1994-03-10 1995-09-12 E. I. Du Pont De Nemours And Company Process for the preparation of 1,3- and 1,5-dialkylpiperidone-2

Also Published As

Publication number Publication date
KR20000068475A (ko) 2000-11-25
EP0927162B1 (de) 2004-06-09
WO1998009947A3 (en) 2000-01-20
DE69729460T2 (de) 2005-06-30
WO1998009947A2 (en) 1998-03-12
JP2001524933A (ja) 2001-12-04
CN1255122A (zh) 2000-05-31
CA2260927A1 (en) 1998-03-12
JP3481950B2 (ja) 2003-12-22
KR100474615B1 (ko) 2005-03-08
EP0927162A2 (de) 1999-07-07
TW473473B (en) 2002-01-21
CN1165523C (zh) 2004-09-08

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: INVISTA TECHNOLOGIES S.A.R.L., WILMINGTON, US

8364 No opposition during term of opposition