ES2048611B1 - Procedimiento para la preparacion de derivados de acidos 1,2-dihidro-3h-pirrol(1,2-a)pirrolo-1-carboxilicos. - Google Patents

Procedimiento para la preparacion de derivados de acidos 1,2-dihidro-3h-pirrol(1,2-a)pirrolo-1-carboxilicos.

Info

Publication number
ES2048611B1
ES2048611B1 ES09100903A ES9100903A ES2048611B1 ES 2048611 B1 ES2048611 B1 ES 2048611B1 ES 09100903 A ES09100903 A ES 09100903A ES 9100903 A ES9100903 A ES 9100903A ES 2048611 B1 ES2048611 B1 ES 2048611B1
Authority
ES
Spain
Prior art keywords
compounds
procedure
preparation
carboxilicos
pirrol
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 - Fee Related
Application number
ES09100903A
Other languages
English (en)
Other versions
ES2048611A1 (es
Inventor
Fulvio Benigni
Rino Prendin
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.)
Industriale Chimica SRL
Original Assignee
Industriale Chimica SRL
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 Industriale Chimica SRL filed Critical Industriale Chimica SRL
Publication of ES2048611A1 publication Critical patent/ES2048611A1/es
Application granted granted Critical
Publication of ES2048611B1 publication Critical patent/ES2048611B1/es
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Saccharide Compounds (AREA)
  • Pyrrole Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

SE DESCRIBE UN PROCEDIMIENTO PARA LA PREPARACION DE COMPUESTOS DE FORMULA I, DONDE R REPRESENTA UNO O MAS SUSTITUYENTES SELECCIONADOS ENTRE HIDROGENO, ALQUILO CSI1-4 SC, HALOGENO, NITRO, CIANO, TRIFLUOROMETILO, ACILO CSI1-6 SC Y ACILAMIDO CSI1-6 SC, CARACTERIZADO POR HIDROLIZAR COMPUESTOS DE FORMULA II, DONDE R ES EL DEFINIDO ANTES, CON ACIDO BROMHIDRICO O CON HIDROXIDOS ALCALINOS O ALCALINOTERREOS PARA DAR COMPUESTOS DE FORMULA III DONDE X ES BR U OH, LOS CUALES, DESPUES DE PROTEGER EL GRUPO CARBOXI Y TRANSFORMAR EL GRUPO OH EN UN GRUPO MESILOXI O TOSILOXI, SE HACEN REACCIONAR CON BASES FUERTES EN DISOLVENTES APROTICOS POLARES PARA DAR, PREVIO DESBLOQUEO DE LOS GRUPOS PROTECTORES, LOS COMPUESTOS I.
ES09100903A 1990-04-20 1991-04-09 Procedimiento para la preparacion de derivados de acidos 1,2-dihidro-3h-pirrol(1,2-a)pirrolo-1-carboxilicos. Expired - Fee Related ES2048611B1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20084A IT1241124B (it) 1990-04-20 1990-04-20 Processo per la preparazione di derivati di acidi 1,2-diidro 3h pirrol (1,2-a) pirrol-l-carbossilici e relativi intermedi

Publications (2)

Publication Number Publication Date
ES2048611A1 ES2048611A1 (es) 1994-03-16
ES2048611B1 true ES2048611B1 (es) 1994-10-16

Family

ID=11163681

Family Applications (1)

Application Number Title Priority Date Filing Date
ES09100903A Expired - Fee Related ES2048611B1 (es) 1990-04-20 1991-04-09 Procedimiento para la preparacion de derivados de acidos 1,2-dihidro-3h-pirrol(1,2-a)pirrolo-1-carboxilicos.

Country Status (2)

Country Link
ES (1) ES2048611B1 (es)
IT (1) IT1241124B (es)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4089969A (en) * 1976-07-14 1978-05-16 Syntex (U.S.A.) Inc. 5-Aroyl-1,2-dihydro-3H-pyrrolo[1,2-a]pyrrole-1-carboxylic acid derivatives and process for the production thereof
US4232038A (en) * 1979-08-31 1980-11-04 Syntex (U.S.A.) Inc. 5-Alkylsulfinylbenzoyl- and 5-alkylsulfonylbenzoyl-1,2-dihydro-3H-pyrrolo[1,]pyrrole-1-carboxylic acids
US4353829A (en) * 1980-11-21 1982-10-12 Syntex (U.S.A.) Inc. Process for 5-aroylation of 1,2-dihydro-3H-pyrrolo[1,2-a]pyrrole-1-carboxylic esters

Also Published As

Publication number Publication date
IT1241124B (it) 1993-12-29
ES2048611A1 (es) 1994-03-16
IT9020084A1 (it) 1991-10-20
IT9020084A0 (it) 1990-04-20

Similar Documents

Publication Publication Date Title
AR241474A1 (es) Preparacion de derivados de acido 3-aciltriciclo ¡5.2.1.0(2.6)¿-3-azadecan-4-carboxilico utiles como inhibidores de la enzima convertidora en angiotensina.
ES477695A1 (es) Un procedimiento para preparar derivados de deshidrociclici-minoacidos.
ES2051719T3 (es) Un procedimiento para producir un compuesto de benzoilurea.
DK422583A (da) Fremgangsmaade til fremstilling af diazobicyclo-(3,3,1)-nonaner
IL67812A (en) Indanylbenzamide derivatives,process for the preparation thereof and fungicidal compositions comprising the same
DK448684A (da) Alkyldiaminderivater og deres anvendelse som laegemidler
DK121383D0 (da) Fremgangsmade til fremstilling af 8-substituerede pyrrolizidinderivater
ES2048611B1 (es) Procedimiento para la preparacion de derivados de acidos 1,2-dihidro-3h-pirrol(1,2-a)pirrolo-1-carboxilicos.
DK449983A (da) Fremgangsmaade til fremstilling af optiske aktive forbindelser
ES545009A0 (es) Procedimiento de preparacion de nuevas fenil-naftiridinas.
ES536342A0 (es) Procedimiento para preparar derivados de 5h-(1)-benzopirano-(2,3-d)pirimidina
ES529281A0 (es) Un procedimiento para preparar derivados de biciclooctano
DK432086A (da) Fremgangsmaade til fremstilling af beta-lactamforbindelser eller saltederaf
ES534681A0 (es) Procedimiento para preparar (1, 2, 4) triazol (1, 5-c)pirimidin-2-aminas 5-sustituidas
MX157060A (es) Procedimiento para preparar derivados de 6,6-dioxido oxazinobenzotiazina
ES2046496T3 (es) Procedimiento para la preparacion de agentes de hidroxialquilacion, los nuevos agentes asi obtenidos y su empleo.
ES2032461T3 (es) Procedimiento para preparar derivados de indol.
DK146389C (da) Analogifremgangsmaade til fremstilling af imidazo(1,2-a)imidazolforbindelser eller syreadditionssalte deraf
ES520136A0 (es) Un procedimiento para la preparacion de un derivado del acido furiloxazolila-cetico
ES526332A0 (es) Procedimiento para preparar nuevos 4-hidroxi-2h-1,2-benzotiazin-3-carboxamida-1,1-dioxidos
ES2112395T3 (es) Nuevos polioles.
ES544711A0 (es) Procedimiento para la obtencion de iminosulfonamidas
PT80166A (en) Process for the preparation of new derivates of 1,4-dihydropyridine
AU5006679A (en) Pyrano (3,2-c)quinoline derivatives
JPS56151751A (en) Stabilizing method of polyurethane

Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20000503