TW349938B - Process for the preparation of pure alkyl alkylacetoacetates - Google Patents

Process for the preparation of pure alkyl alkylacetoacetates

Info

Publication number
TW349938B
TW349938B TW086102538A TW86102538A TW349938B TW 349938 B TW349938 B TW 349938B TW 086102538 A TW086102538 A TW 086102538A TW 86102538 A TW86102538 A TW 86102538A TW 349938 B TW349938 B TW 349938B
Authority
TW
Taiwan
Prior art keywords
alkylacetoacetates
alkyl
preparation
formula
general
Prior art date
Application number
TW086102538A
Other languages
English (en)
Inventor
Barry Dr Jakson
Original Assignee
Lonza Ag
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
Application filed by Lonza Ag filed Critical Lonza Ag
Application granted granted Critical
Publication of TW349938B publication Critical patent/TW349938B/zh

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/48Separation; Purification; Stabilisation; Use of additives
    • C07C67/60Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
TW086102538A 1996-03-13 1997-03-04 Process for the preparation of pure alkyl alkylacetoacetates TW349938B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH65596 1996-03-13
CH108796 1996-04-30

Publications (1)

Publication Number Publication Date
TW349938B true TW349938B (en) 1999-01-11

Family

ID=25685276

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086102538A TW349938B (en) 1996-03-13 1997-03-04 Process for the preparation of pure alkyl alkylacetoacetates

Country Status (16)

Country Link
US (1) US5786501A (zh)
EP (1) EP0795538B1 (zh)
JP (1) JP3981998B2 (zh)
KR (1) KR100465142B1 (zh)
CN (1) CN1116272C (zh)
AT (1) ATE184588T1 (zh)
CA (1) CA2198837C (zh)
CZ (1) CZ293618B6 (zh)
DE (1) DE59700429D1 (zh)
DK (1) DK0795538T3 (zh)
ES (1) ES2138409T3 (zh)
HU (1) HU216549B (zh)
NO (1) NO307044B1 (zh)
PL (1) PL187309B1 (zh)
SK (1) SK282381B6 (zh)
TW (1) TW349938B (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT407249B (de) * 1997-12-29 2001-01-25 Chemie Linz Gmbh Verbessertes verfahren zur herstellung von 2-acetylcarbonsäureestern
CN114920646B (zh) * 2022-05-13 2023-10-27 安徽英瑞骐生物科技有限公司 一种2-正丁基乙酰乙酸乙酯的新合成方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2900311A (en) * 1952-10-11 1959-08-18 Union Carbide Corp Purification of acetoacetic esters by distillation
US2843623A (en) * 1954-10-01 1958-07-15 Nat Distillers Chem Corp Production of ethyl acetoacetate
BE760034A (fr) * 1969-12-08 1971-06-08 Ici Ltd Production d'esters
DE3227388A1 (de) * 1982-07-22 1984-01-26 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von (alpha)-substituierten ss-dicarbonyl-, ss-cyancarbonyl- und ss-dicyanverbindungen

Also Published As

Publication number Publication date
SK28697A3 (en) 1997-12-10
CA2198837C (en) 2004-10-26
HUP9700580A3 (en) 1998-01-28
CN1116272C (zh) 2003-07-30
CA2198837A1 (en) 1997-09-14
SK282381B6 (sk) 2002-01-07
ATE184588T1 (de) 1999-10-15
US5786501A (en) 1998-07-28
CZ293618B6 (cs) 2004-06-16
DK0795538T3 (da) 1999-12-20
PL187309B1 (pl) 2004-06-30
NO971148L (no) 1997-09-15
NO307044B1 (no) 2000-01-31
HU216549B (hu) 1999-07-28
NO971148D0 (no) 1997-03-12
DE59700429D1 (de) 1999-10-21
HU9700580D0 (en) 1997-04-28
EP0795538B1 (de) 1999-09-15
KR100465142B1 (ko) 2005-04-06
PL318927A1 (en) 1997-09-15
HUP9700580A2 (en) 1997-12-29
ES2138409T3 (es) 2000-01-01
EP0795538A1 (de) 1997-09-17
CN1163260A (zh) 1997-10-29
CZ74897A3 (cs) 1998-05-13
JP3981998B2 (ja) 2007-09-26
JPH101456A (ja) 1998-01-06
KR970069972A (ko) 1997-11-07

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