CA1072117A - Process for the preparation of acetoacetylaryl-amides - Google Patents

Process for the preparation of acetoacetylaryl-amides

Info

Publication number
CA1072117A
CA1072117A CA251,319A CA251319A CA1072117A CA 1072117 A CA1072117 A CA 1072117A CA 251319 A CA251319 A CA 251319A CA 1072117 A CA1072117 A CA 1072117A
Authority
CA
Canada
Prior art keywords
diketene
reaction
acetic acid
product
temperature
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
Application number
CA251,319A
Other languages
English (en)
French (fr)
Inventor
Ernst Hille
Rudolf Ruck
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.)
Hoechst AG
Original Assignee
Hoechst 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 Hoechst AG filed Critical Hoechst AG
Application granted granted Critical
Publication of CA1072117A publication Critical patent/CA1072117A/en
Expired legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA251,319A 1975-04-29 1976-04-28 Process for the preparation of acetoacetylaryl-amides Expired CA1072117A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752519036 DE2519036A1 (de) 1975-04-29 1975-04-29 Verfahren zur herstellung von acetoacetylarylamiden

Publications (1)

Publication Number Publication Date
CA1072117A true CA1072117A (en) 1980-02-19

Family

ID=5945309

Family Applications (1)

Application Number Title Priority Date Filing Date
CA251,319A Expired CA1072117A (en) 1975-04-29 1976-04-28 Process for the preparation of acetoacetylaryl-amides

Country Status (11)

Country Link
JP (1) JPS51131836A (xx)
BE (1) BE841285A (xx)
BR (1) BR7602624A (xx)
CA (1) CA1072117A (xx)
CH (1) CH608786A5 (xx)
DE (1) DE2519036A1 (xx)
FR (1) FR2309514A1 (xx)
GB (1) GB1541460A (xx)
IN (1) IN143520B (xx)
IT (1) IT1058978B (xx)
NL (1) NL7604350A (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2749327A1 (de) * 1977-11-04 1979-05-17 Hoechst Ag Verfahren zur herstellung von acetoacetylaminobenzolen
DE3046367A1 (de) * 1980-12-09 1982-07-08 Hoechst Ag, 6000 Frankfurt Verfahren zur herstellung von 1-acetoacetylamino-4-chlor-2,5-dimethoxybenzol
DE3731912A1 (de) * 1987-02-25 1988-09-08 Hoechst Ag Verfahren zur herstellung von acetoacetylarylamiden bzw. -heteroarylamiden desaktivierter aromaten
DE4335613A1 (de) * 1993-10-19 1995-04-20 Hoechst Ag Verfahren zur Herstellung von Acetoacetarylamiden
IN190321B (xx) * 1998-03-25 2003-07-19 Lonza Ag
CN100374423C (zh) * 2001-12-11 2008-03-12 西巴特殊化学品控股有限公司 4-甲基-7-氨基喹诺酮的制备工艺
EP1712544A1 (de) * 2005-04-12 2006-10-18 Lonza Ag Verfahren zur Herstellung von Acetessigsäurearylamiden
CN103224455B (zh) * 2013-04-19 2014-10-29 南通醋酸化工股份有限公司 一种n-乙酰乙酰苯胺的制备方法
CN104292121B (zh) * 2014-09-05 2016-08-31 南通醋酸化工股份有限公司 一种减少邻甲基-n-乙酰乙酰苯胺生产中副产物的方法
CN105418422A (zh) * 2015-12-21 2016-03-23 常熟市柏伦精细化工有限公司 一种新型的色酚as-irg的制备工艺
CN113979883A (zh) * 2021-12-08 2022-01-28 新华制药（寿光）有限公司 一种乙酰乙酰苯胺高效精制工艺及其设备

Also Published As

Publication number Publication date
DE2519036A1 (de) 1976-11-11
CH608786A5 (en) 1979-01-31
JPS51131836A (en) 1976-11-16
FR2309514B1 (xx) 1980-08-14
GB1541460A (en) 1979-02-28
FR2309514A1 (fr) 1976-11-26
IT1058978B (it) 1982-05-10
NL7604350A (nl) 1976-11-02
BR7602624A (pt) 1976-11-23
IN143520B (xx) 1977-12-17
BE841285A (fr) 1976-10-29

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Legal Events

Date Code Title Description
MKEX Expiry
MKEX Expiry

Effective date: 19970219