ES2048611A1 - 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
ES2048611A1
ES2048611A1 ES9100903A ES9100903A ES2048611A1 ES 2048611 A1 ES2048611 A1 ES 2048611A1 ES 9100903 A ES9100903 A ES 9100903A ES 9100903 A ES9100903 A ES 9100903A ES 2048611 A1 ES2048611 A1 ES 2048611A1
Authority
ES
Spain
Prior art keywords
translation
compounds
preparation
machine
legally binding
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
Application number
ES9100903A
Other languages
English (en)
Other versions
ES2048611B1 (es
Inventor
Benigni
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)
  • Pyrrole Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Saccharide 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 true ES2048611A1 (es) 1994-03-16
ES2048611B1 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)

Citations (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
EP0053021A2 (en) * 1980-11-21 1982-06-02 Syntex (U.S.A.) Inc. Process for 5-aroylation of 1,2-dihydro-3H-pyrrolo(1,2-a)pyrrole-1-carboxylic esters and nitriles

Patent Citations (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
EP0053021A2 (en) * 1980-11-21 1982-06-02 Syntex (U.S.A.) Inc. Process for 5-aroylation of 1,2-dihydro-3H-pyrrolo(1,2-a)pyrrole-1-carboxylic esters and nitriles

Also Published As

Publication number Publication date
IT1241124B (it) 1993-12-29
ES2048611B1 (es) 1994-10-16
IT9020084A0 (it) 1990-04-20
IT9020084A1 (it) 1991-10-20

Similar Documents

Publication Publication Date Title
ES8103088A1 (es) Metodo para preparar nuevas espiro(dihidrobenzofuran-piperi-dinas y -pirrolidinas)
ES2048611A1 (es) Procedimiento para la preparacion de derivados de acidos 1,2-dihidro-3h-pirrol(1,2-a)pirrolo-1-carboxilicos.
ES480827A1 (es) Procedimiento para la preparacion de acidos fenilaminotiofe-noaceticos.
ES462672A1 (es) Procedimiento para preparar derivados de isoquinolina.
MX157221A (es) Procedimiento para preparar derivados de delta 1,3,5-3-cloro-pregnano
JPS56120639A (en) Biphenyl derivative
JPS56120686A (en) Tetrahydrothiopyrano 3,2-b indole derivative
BG39977A3 (en) Method for preparing derivatives of furyloxazolylacetic acid
JPS56151751A (en) Stabilizing method of polyurethane
JPS5649362A (en) Thiocarbostyril derivative
JPS5610172A (en) 1-thiocarbamoyl-2-imidazolidinone compound
GB2011897A (en) Process for Preparing Anthranylaldehyde Derivatives
ES401541A1 (es) Un procedimiento de preparacion de quinoleinas sustituidas.
JPS51125281A (en) A process for preparing indazole derivatives
JPS55127366A (en) Preparation of 4-(3-isopropylamino-2-hydroxypropoxy)-indole
SE7905025L (sv) Tereftalsyramonoamidderivat, forfarande for framstellning derav och antiallergiskt medel
JPS55141457A (en) Novel benzylidene derivative
ES474955A1 (es) Un procedimiento para la preparacion de un compuesto polici-clico
JPS5742711A (en) Heat-resistant photosensitive material
JPS5610173A (en) Analgesic
DE3378824D1 (en) Process for the preparation of keten-o,n-acetals
JPS51124122A (en) Process for producing azo dyes
JPS5716885A (en) 3,4-benzo-7-thia-2-azabicyclo 3,3,1 nonane derivative
JPS5610121A (en) Preparation of organic fluorocompound
JPS5714597A (en) K-41 derivative

Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20000503