ATE169611T1 - Verfahren zur phosgenierung in gegenwart des acetonitrils - Google Patents

Verfahren zur phosgenierung in gegenwart des acetonitrils

Info

Publication number: ATE169611T1
Authority: AT; Austria
Prior art keywords: phosgenation; acetonitrile; conducted; solvent; acid chlorides
Prior art date: 1994-02-17

Application number

AT95300620T

Other languages

English (en)

Inventor

N Subramanian

Original Assignee

Zeneca Ltd

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.)

1994-02-17

Filing date

1995-02-01

Publication date

1998-08-15

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22732010&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE169611(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1995-02-01 Application filed by Zeneca Ltd filed Critical Zeneca Ltd

1998-08-15 Application granted granted Critical

1998-08-15 Publication of ATE169611T1 publication Critical patent/ATE169611T1/de

Links

WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 title abstract 6
-1 carboxylic acid chlorides Chemical class 0.000 abstract 1
150000001735 carboxylic acids Chemical class 0.000 abstract 1
239000002904 solvent Substances 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/36—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of amides of sulfonic acids
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
- C07C201/06—Preparation of nitro compounds
- C07C201/12—Preparation of nitro compounds by reactions not involving the formation of nitro groups
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/58—Preparation of carboxylic acid halides
- C07C51/60—Preparation of carboxylic acid halides by conversion of carboxylic acids or their anhydrides or esters, lactones, salts into halides with the same carboxylic acid part

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Oil, Petroleum & Natural Gas (AREA)
Chemical Kinetics & Catalysis (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Steroid Compounds (AREA)

AT95300620T 1994-02-17 1995-02-01 Verfahren zur phosgenierung in gegenwart des acetonitrils ATE169611T1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US19810894A	1994-02-17	1994-02-17

Publications (1)

Publication Number	Publication Date
ATE169611T1 true ATE169611T1 (de)	1998-08-15

Family

ID=22732010

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT95300620T ATE169611T1 (de)	1994-02-17	1995-02-01	Verfahren zur phosgenierung in gegenwart des acetonitrils

Country Status (7)

Country	Link
EP (1)	EP0668260B1 (de)
AT (1)	ATE169611T1 (de)
DE (1)	DE69503936T2 (de)
DK (1)	DK0668260T3 (de)
ES (1)	ES2119308T3 (de)
GR (1)	GR3027647T3 (de)
SI (1)	SI0668260T1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5910604A (en) *	1995-09-13	1999-06-08	Zeneca Limited	Purification process
GB9518705D0 (en) *	1995-09-13	1995-11-15	Zeneca Ltd	Chemical process
GB9518704D0 (en) *	1995-09-13	1995-11-15	Zeneca Ltd	Chemical process
US6028219A (en) *	1995-09-13	2000-02-22	Zeneca Limited	Process for the nitration of diphenylethers
TW426650B (en) *	1996-11-01	2001-03-21	Zeneca Ltd	Nitration process
CN105384640B (zh) *	2015-10-26	2017-07-04	安徽广信农化股份有限公司	一种对硝基苯甲酰氯的尾气处理工艺
CN105384641A (zh) *	2015-10-26	2016-03-09	安徽广信农化股份有限公司	一种对硝基苯甲酰氯的废水处理工艺
CN113943233A (zh) *	2020-08-07	2022-01-18	山东科源化工有限公司	一种环保型氟磺胺草醚的制备方法
CN115403488B (zh) *	2021-05-27	2024-07-19	江苏联化科技有限公司	氟磺胺草醚的制备方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2750169A1 (de) *	1976-11-12	1978-05-18	Ciba Geigy Ag	Aliphatische karbonsaeureester, verfahren zu ihrer herstellung und ihre verwendung in der schaedlingsbekaempfung
DE3535984A1 (de) *	1985-10-09	1987-04-09	Bayer Ag	Verfahren zur herstellung von aromatischen carbonsaeurechloriden

1995
- 1995-02-01 EP EP95300620A patent/EP0668260B1/de not_active Expired - Lifetime
- 1995-02-01 AT AT95300620T patent/ATE169611T1/de not_active IP Right Cessation
- 1995-02-01 ES ES95300620T patent/ES2119308T3/es not_active Expired - Lifetime
- 1995-02-01 DK DK95300620T patent/DK0668260T3/da active
- 1995-02-01 DE DE69503936T patent/DE69503936T2/de not_active Expired - Fee Related
- 1995-02-01 SI SI9530103T patent/SI0668260T1/xx unknown
1998
- 1998-08-13 GR GR980401689T patent/GR3027647T3/el unknown

Also Published As

Publication number	Publication date
DE69503936D1 (de)	1998-09-17
SI0668260T1 (en)	1998-10-31
DE69503936T2 (de)	1998-12-10
GR3027647T3 (en)	1998-11-30
EP0668260B1 (de)	1998-08-12
DK0668260T3 (da)	1999-05-10
ES2119308T3 (es)	1998-10-01
EP0668260A1 (de)	1995-08-23

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Legal Events

Date	Code	Title	Description
1999-04-15	UEP	Publication of translation of european patent specification
2006-11-15	REN	Ceased due to non-payment of the annual fee