KR960034173A - 2,2,6,6-테트라메틸피페리딘-4-온의 메틸화 방법 - Google Patents

2,2,6,6-테트라메틸피페리딘-4-온의 메틸화 방법 Download PDF

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Publication number
KR960034173A
KR960034173A KR1019960005636A KR19960005636A KR960034173A KR 960034173 A KR960034173 A KR 960034173A KR 1019960005636 A KR1019960005636 A KR 1019960005636A KR 19960005636 A KR19960005636 A KR 19960005636A KR 960034173 A KR960034173 A KR 960034173A
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KR
South Korea
Prior art keywords
tetramethylpiperidin
formaldehyde
formic acid
ratio
temperature
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KR1019960005636A
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English (en)
Inventor
카로자 프리모
페리 지안루카
Original Assignee
베르너 발데크
시바-가이기 아게
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Application filed by 베르너 발데크, 시바-가이기 아게 filed Critical 베르너 발데크
Publication of KR960034173A publication Critical patent/KR960034173A/ko

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    • 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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Hydrogenated Pyridines (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

하기를 포함하는 유기용매에서 포롬알데히드 및 포름산으로 2,2,6,6-테트라메틸피페리딘-4-온을 메틸화 하는 방법 : (A) 2,2,6,6-테트라메틸피페리딘-4-온에의 포로말데히드의 첨가 및 1-히드록시메틸-2,2,6,6-테트라메틸피페리딘-4-온 중간체의 생성 그리고 (B) 1-히드록시메틸-2,2,6,6-테트라메틸피페리딘-4-온 중간체에의 포롬산의 후속적인 첨가 및 1,2,2,6,6-펜타메틸피페리딘-4-온의 생성.

Description

2,2,6,6-테트라메틸피페리딘-4-온의 메틸화 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (10)

  1. 하기를 포함하는 유기용매에서 포름알데히드 및 포름산으로 2,2,6,6-테트라메틸피페리딘-4-온을 메틸화 하는 방법 : (A) 2,2,6,6-테트라메틸피페리딘-4-온에의 포름알데히드의 첨가 및 1-히드록시메틸-2,2,6,6-테트라메틸피페리딘-4-온은 중간체의 생성 그리고 (B) 1-히드록시메틸-2,2,6,6-테트라메틸피페리딘-4-온 중간체에의 포름산의 후속적인 첨가 및 1,2,2,6,6-테트라메틸피페리딘-4-온의 생성.
  2. 제1항에 있어서, 방향족 탄화수소 및 알코올을 용매로 사용하는 방법.
  3. 제1항에 있어서, 벤젠, 툴루엔 또는 크실렌을 용매로 사용하는 방법.
  4. 제1항에 있어서, 반응수가 (B)에서 함께 끊는 증류에 의해 동시에 분리되는 방법.
  5. 제1항에 있어서, 2,2,6,6-테트리메틸피페리딘-4-온 : 포름알데히드 : 포름산의 비가 1 : 1 : 1 내지 1 : 3 : 1.2인 방법.
  6. 제1항에 있어서, 2,2,6,6-테트리메틸피페리딘-4-온 : 포름알데히드 : 포름산의 비가 1 : 1 : 1 내지 1 : 2 : 1인 방법.
  7. 제1항에 있어서, 2,2,6,6-테트리메틸피페리딘-4-온 : 포름알데히드 : 포름산의 비가 1 : 1 : 1 내지 1 : 1.5 : 1인 방법.
  8. 제1항에 있어서, (A)에서 온도가 10 내지 60℃인 방법.
  9. 제1항에 있어서, (B)에서 온도가 70 내지 160℃인 방법.
  10. 제1항에 있어서, (B)에서 온도가 100 내지 120℃인 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960005636A 1995-03-01 1996-02-29 2,2,6,6-테트라메틸피페리딘-4-온의 메틸화 방법 KR960034173A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI95A000389 1995-03-01
IT95MI000389A IT1277329B1 (it) 1995-03-01 1995-03-01 Procedimento per la metilazione del 2,2,6,6-tetrametil-4-piperidone (triacetonammina)

Publications (1)

Publication Number Publication Date
KR960034173A true KR960034173A (ko) 1996-10-22

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ID=11370735

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960005636A KR960034173A (ko) 1995-03-01 1996-02-29 2,2,6,6-테트라메틸피페리딘-4-온의 메틸화 방법

Country Status (7)

Country Link
EP (1) EP0729947A1 (ko)
JP (1) JPH08245588A (ko)
KR (1) KR960034173A (ko)
BR (1) BR9600847A (ko)
CA (1) CA2170588A1 (ko)
IT (1) IT1277329B1 (ko)
SK (1) SK27696A3 (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2789609A1 (en) 2013-04-11 2014-10-15 Bruker Biospin (SAS) Highly efficient polarizing agents for dynamic nuclear polarization
MX2016000700A (es) 2015-01-22 2017-04-06 Evonik Degussa Gmbh Sintesis de compuestos de triacetonadiamina mediante procedimiento de aminacion reductora de triacetonadiamina y derivados de los mismos.
MX2016000701A (es) 2015-01-22 2016-11-24 Evonik Degussa Gmbh Proceso para preparar un compuesto de triacetonamina n-metil sustituida.
DE102016212378A1 (de) 2016-07-07 2018-01-11 Evonik Degussa Gmbh Synthese von Triacetondiaminverbindungen durch reduktive Aminierung ausgehend von Triacetondiamin und dessen Derivaten
DE102016212379A1 (de) 2016-07-07 2018-01-11 Evonik Degussa Gmbh Verfahren zur Herstellung einer N-methylsubstituierten Triacetonaminverbindung
MX2022007419A (es) 2019-12-16 2022-07-13 Basf Se Proceso para la preparacion de compuestos de piperidina.
CN110950794A (zh) * 2019-12-26 2020-04-03 宿迁联盛科技股份有限公司 一种1,2,2,6,6-五甲基-4-哌啶酮的制备方法
CN111116457A (zh) * 2019-12-26 2020-05-08 宿迁联盛科技股份有限公司 一种1,2,2,6,6-五甲基-4-哌啶酮的绿色合成方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1223405B (it) * 1987-12-04 1990-09-19 Ciba Geigy Spa Procedimento per la metilazione di composti triazinici contenenti gruppi 2,2,6,6 tetrametilpiperidinici

Also Published As

Publication number Publication date
CA2170588A1 (en) 1996-09-02
SK27696A3 (en) 1996-10-02
ITMI950389A1 (it) 1996-09-01
JPH08245588A (ja) 1996-09-24
BR9600847A (pt) 1997-12-30
EP0729947A1 (en) 1996-09-04
ITMI950389A0 (it) 1995-03-01
IT1277329B1 (it) 1997-11-10

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