FR2708928A1 - Procédé de préparation de 2-halogéno-éthyl-malonates de dialkyle. - Google Patents
Procédé de préparation de 2-halogéno-éthyl-malonates de dialkyle.Info
- Publication number
- FR2708928A1 FR2708928A1 FR9409651A FR9409651A FR2708928A1 FR 2708928 A1 FR2708928 A1 FR 2708928A1 FR 9409651 A FR9409651 A FR 9409651A FR 9409651 A FR9409651 A FR 9409651A FR 2708928 A1 FR2708928 A1 FR 2708928A1
- Authority
- FR
- France
- Prior art keywords
- dialkyl
- malonates
- halo
- ethyl
- preparation
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/307—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by introduction of halogen; by substitution of halogen atoms by other halogen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Abstract
On prépare les 2-halogéno-éthyl-malonates de dialkyle à partir de cyclopropane-1,1-dicarboxylates de dialkyle dans des 1,2-dialcoxy-éthanes en tant que solvants et en ajoutant des catalyseurs de Friedel-Crafts.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4326918A DE4326918C1 (de) | 1993-08-11 | 1993-08-11 | Verfahren zur Herstellung von 2-Halogenethyl-malonsäure-dialkylestern |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2708928A1 true FR2708928A1 (fr) | 1995-02-17 |
FR2708928B1 FR2708928B1 (fr) | 1996-02-02 |
Family
ID=6494915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9409651A Expired - Fee Related FR2708928B1 (fr) | 1993-08-11 | 1994-08-03 | Procédé de préparation de 2-halogéno-éthyl-malonates de dialkyle. |
Country Status (4)
Country | Link |
---|---|
US (2) | US5463111A (fr) |
JP (1) | JPH0753466A (fr) |
DE (1) | DE4326918C1 (fr) |
FR (1) | FR2708928B1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
HUP0104266A2 (hu) | 1998-11-04 | 2002-03-28 | Montell Technology Company Bv. | Komponensek és katalizátorok olefinek polimerizálására |
JP2007157208A (ja) * | 2005-12-01 | 2007-06-21 | Funai Electric Co Ltd | 光ディスク装置 |
CN115724728A (zh) * | 2022-11-30 | 2023-03-03 | 常州沃腾化工科技有限公司 | 1,7-二氯-4-庚酮的合成工艺 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR927003645A (ko) * | 1990-05-21 | 1992-12-18 | 후지다 히로미찌 | 씨클로덱스트린 유도체 |
-
1993
- 1993-08-11 DE DE4326918A patent/DE4326918C1/de not_active Expired - Fee Related
-
1994
- 1994-08-03 FR FR9409651A patent/FR2708928B1/fr not_active Expired - Fee Related
- 1994-08-08 US US08/287,157 patent/US5463111A/en not_active Expired - Fee Related
- 1994-08-10 JP JP6188572A patent/JPH0753466A/ja active Pending
-
1995
- 1995-06-21 US US08/493,169 patent/US5569780A/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
A.C. KNIPE ET AL.: "Intramolecular reactions. Part Vi. ...", JOURNAL OF THE CHEMICAL SOCIETY (B), 1968, LETCHWORTH GB, pages 67 - 71 * |
Also Published As
Publication number | Publication date |
---|---|
DE4326918C1 (de) | 1995-01-19 |
JPH0753466A (ja) | 1995-02-28 |
US5463111A (en) | 1995-10-31 |
US5569780A (en) | 1996-10-29 |
FR2708928B1 (fr) | 1996-02-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NO905514L (no) | Kombinert anti-inflammatorisk middel samt fremgangsmaate for fremstilling derav. | |
BR9404842A (pt) | Compostos,processo para sua preparação e formulação farmacêutica | |
OA08481A (fr) | Dérivés d'indolizine, leur procédé de préparation ainsi que les compositions les contenant. | |
DE59300243D1 (de) | Verfahren zur Herstellung von 3,5-Difluoranilin. | |
FR2707087B1 (fr) | Nouveau procédé de préparation de l'ergothionéine. | |
DE69006911D1 (de) | Verfahren zur Herstellung von 3,4-Dichloranilin. | |
DE59301526D1 (de) | Verfahren zur Herstellung von bromiertem chlorsubstituiertem Poly-1,3-butadien | |
FR2708266B1 (fr) | Procédé de préparation d'alcanesulfonamides. | |
NO893548L (no) | Fremgangsmaate til fremstilling av fluorsubstituerte 4'-demetylepipodofyllotoksinglukosider. | |
FR2708928A1 (fr) | Procédé de préparation de 2-halogéno-éthyl-malonates de dialkyle. | |
FI895662A0 (fi) | Menetelmä 3,4-difluorisubstituoidun benseenin valmistamiseksi | |
FR2693473B1 (fr) | Procédé de préparation enzymatique d'hydrolysats de matières protéiques. | |
DE59407675D1 (de) | Verfahren zur Herstellung von 6H-Dibenz-(c,e)(1,2)-oxaphosphorin-6-on | |
FR2704773B1 (fr) | Procédé de préparation de catalyseurs utilisables en déshydrogénation. | |
FR2695645B1 (fr) | Procédé de préparation de polyaminoborazines. | |
NO903347L (no) | 14,17alfa-ethano- og ethanooestratriener, fremgangsmaate forfremstilling av disse forbindelser, saavel som anvendelse av dem for fremstilling av legemidler. | |
DE69004542T2 (de) | Verfahren zur Herstellung von 2,6-Dimethylnaphthalin. | |
DE68922507D1 (de) | Verfahren zur Herstellung von beta-2',2'-Difluornukleosiden. | |
FR2704774B1 (fr) | Procédé de préparation de catalyseurs applicables à la déshydrogénation. | |
FR2708929B1 (fr) | Procédé de préparation d'esters d'acide cyclopropane-1,1-dicarboxylique. | |
FR2705672B1 (fr) | Procédé de préparation de nitrophénols. | |
DE69006659D1 (de) | Verfahren zur Herstellung von 1,1'-Oxybis(3-nitro-5-trifluormethyl)benzol. | |
FR2700538B1 (fr) | Procédé de préparation de 2-méthyl-3-aminobenzotrifluorure. | |
FR2708938B1 (fr) | Procédé enzymatique perfectionné de préparation d'oligomères de L-lysine. | |
FR2694292B1 (fr) | Dérivés de benzimidazole-2-thione-, leur préparation et leur application en tant que médicament. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ER | Errata listed in the french official journal (bopi) |
Free format text: 07/95 |
|
TP | Transmission of property | ||
ST | Notification of lapse |