CO5280193A1 - PROCESS FOR PREPARING ACID 6- (4-CHLOROPHENYL) -2,2-DIMETHYL-7- PHENYL-2,3-DIHYDRO-1H-PIRROLIZIN-5-IL ACETIC - Google Patents

PROCESS FOR PREPARING ACID 6- (4-CHLOROPHENYL) -2,2-DIMETHYL-7- PHENYL-2,3-DIHYDRO-1H-PIRROLIZIN-5-IL ACETIC

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Publication number
CO5280193A1
CO5280193A1 CO01034896A CO01034896A CO5280193A1 CO 5280193 A1 CO5280193 A1 CO 5280193A1 CO 01034896 A CO01034896 A CO 01034896A CO 01034896 A CO01034896 A CO 01034896A CO 5280193 A1 CO5280193 A1 CO 5280193A1
Authority
CO
Colombia
Prior art keywords
pirrolizin
chlorophenyl
dihydro
acetic
dimethyl
Prior art date
Application number
CO01034896A
Other languages
Spanish (es)
Inventor
Thomas Kammermeier
Stefan Laufer
Phillip Merckle
Hans-Gunter Striegel
Original Assignee
Merckle Gmbh
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 Merckle Gmbh filed Critical Merckle Gmbh
Priority to CO01034896A priority Critical patent/CO5280193A1/en
Publication of CO5280193A1 publication Critical patent/CO5280193A1/en

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Proceso para preparar el compuesto de la fórmula I<EMI FILE="01034896_1" ID="1" IMF=JPEG >donde el compuesto de la fórmula III<EMI FILE="01034896_2" ID="2" IMF=JPEG >se hace reaccionar con cloruro de oxalilo y el producto obtenido se trata con hidrazina y un hidróxido de metal alcalino en la fase acuosa a temperatura elevada; luego de completar el tratamiento se produce un sistema trifásico por la adición de un éter y se obtiene el compuesto de la fórmula I acidificando la fase intermedia.Process for preparing the compound of the formula I <EMI FILE = "01034896_1" ID = "1" MFI = JPEG> where the compound of the formula III <EMI FILE = "01034896_2" ID = "2" MFI = JPEG> is done react with oxalyl chloride and the product obtained is treated with hydrazine and an alkali metal hydroxide in the aqueous phase at elevated temperature; After completing the treatment, a three-phase system is produced by the addition of an ether and the compound of the formula I is obtained by acidifying the intermediate phase.

CO01034896A 2001-05-03 2001-05-03 PROCESS FOR PREPARING ACID 6- (4-CHLOROPHENYL) -2,2-DIMETHYL-7- PHENYL-2,3-DIHYDRO-1H-PIRROLIZIN-5-IL ACETIC CO5280193A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CO01034896A CO5280193A1 (en) 2001-05-03 2001-05-03 PROCESS FOR PREPARING ACID 6- (4-CHLOROPHENYL) -2,2-DIMETHYL-7- PHENYL-2,3-DIHYDRO-1H-PIRROLIZIN-5-IL ACETIC

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CO01034896A CO5280193A1 (en) 2001-05-03 2001-05-03 PROCESS FOR PREPARING ACID 6- (4-CHLOROPHENYL) -2,2-DIMETHYL-7- PHENYL-2,3-DIHYDRO-1H-PIRROLIZIN-5-IL ACETIC

Publications (1)

Publication Number Publication Date
CO5280193A1 true CO5280193A1 (en) 2003-05-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CO01034896A CO5280193A1 (en) 2001-05-03 2001-05-03 PROCESS FOR PREPARING ACID 6- (4-CHLOROPHENYL) -2,2-DIMETHYL-7- PHENYL-2,3-DIHYDRO-1H-PIRROLIZIN-5-IL ACETIC

Country Status (1)

Country Link
CO (1) CO5280193A1 (en)

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