IT1247507B - Processo per la preparazione dell'acido 5(2,4 difluorofenil) salicilico - Google Patents

Processo per la preparazione dell'acido 5(2,4 difluorofenil) salicilico

Info

Publication number
IT1247507B
IT1247507B ITMI911094A ITMI911094A IT1247507B IT 1247507 B IT1247507 B IT 1247507B IT MI911094 A ITMI911094 A IT MI911094A IT MI911094 A ITMI911094 A IT MI911094A IT 1247507 B IT1247507 B IT 1247507B
Authority
IT
Italy
Prior art keywords
difluorophenyl
preparation
salicylic acid
transition metal
comprises reacting
Prior art date
Application number
ITMI911094A
Other languages
English (en)
Inventor
Claudio Giordano
Laura Coppi
Francesco Minisci
Original Assignee
Zambon Spa
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 Zambon Spa filed Critical Zambon Spa
Publication of ITMI911094A0 publication Critical patent/ITMI911094A0/it
Priority to ITMI911094A priority Critical patent/IT1247507B/it
Priority to IL100353A priority patent/IL100353A/xx
Priority to JP03361474A priority patent/JP3106259B2/ja
Priority to US07/813,661 priority patent/US5312975A/en
Priority to CA002058646A priority patent/CA2058646C/en
Priority to EP91121785A priority patent/EP0494419B1/en
Priority to AT91121785T priority patent/ATE131149T1/de
Priority to ES91121785T priority patent/ES2081417T3/es
Priority to DK91121785.9T priority patent/DK0494419T3/da
Priority to DE69206423T priority patent/DE69206423T2/de
Priority to FI920069A priority patent/FI103788B/fi
Publication of ITMI911094A1 publication Critical patent/ITMI911094A1/it
Priority to US08/174,316 priority patent/US5412143A/en
Application granted granted Critical
Publication of IT1247507B publication Critical patent/IT1247507B/it
Priority to GR950403706T priority patent/GR3018569T3/el

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

Viene descritto un processo per la preparazione dell'acido 5-(2,4-difluorofenil)-salicilico che comprende la reazione di un derivato metallorganico con un benzene opportunamente sostituito in presenza di catalizzatori a base di metalli di transizione.
ITMI911094A 1991-01-08 1991-04-19 Processo per la preparazione dell'acido 5(2,4 difluorofenil) salicilico IT1247507B (it)

Priority Applications (13)

Application Number Priority Date Filing Date Title
ITMI911094A IT1247507B (it) 1991-04-19 1991-04-19 Processo per la preparazione dell'acido 5(2,4 difluorofenil) salicilico
IL100353A IL100353A (en) 1991-01-08 1991-12-12 Preparation of 5-(2, 4-difluorophenyl)-salicylic acid and novel 2,4-difluorophenyl-boronic acid derivatives being intermediates therefor
JP03361474A JP3106259B2 (ja) 1991-01-08 1991-12-27 ５−（２，４−ジフルオロフェニル）−サリチル酸の製造方法
US07/813,661 US5312975A (en) 1991-01-08 1991-12-27 Process for the preparation of 5-(2,4-difluorophenyl)-salicylic acid
CA002058646A CA2058646C (en) 1991-01-08 1991-12-31 Process for the preparation of 5-(2,4-difluorophenyl)-salicylic acid
AT91121785T ATE131149T1 (de) 1991-01-08 1992-01-01 Verfahren zur herstellung von 5-(2,4- difluorphenyl)-salizylsäure.
EP91121785A EP0494419B1 (en) 1991-01-08 1992-01-01 Process for the preparation of 5-(2,4-difluorophenyl)-salicylic acid
ES91121785T ES2081417T3 (es) 1991-01-08 1992-01-01 Procedimiento para la preparacion de acido 5-(2,4-difluorofenil)-salicilico.
DK91121785.9T DK0494419T3 (da) 1991-01-08 1992-01-01 Fremgangsmåde til fremstilling af 5-(2,4-difluorphenyl)-salicylsyre
DE69206423T DE69206423T2 (de) 1991-01-08 1992-01-01 Verfahren zur Herstellung von 5-(2,4-Difluorphenyl)-Salizylsäure.
FI920069A FI103788B (fi) 1991-01-08 1992-01-08 Menetelmä 5-(2,4-difluorifenyyli)salisyylihapon valmistamiseksi
US08/174,316 US5412143A (en) 1991-01-08 1993-12-30 Process for the preparation of 5-(2,4-difluorophenyl)-salicylic acid
GR950403706T GR3018569T3 (en) 1991-01-08 1995-12-29 Process for the preparation of 5-(2,4-difluorophenyl)-salicylic acid.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI911094A IT1247507B (it) 1991-04-19 1991-04-19 Processo per la preparazione dell'acido 5(2,4 difluorofenil) salicilico

Publications (3)

Publication Number Publication Date
ITMI911094A0 ITMI911094A0 (it) 1991-04-19
ITMI911094A1 ITMI911094A1 (it) 1992-10-19
IT1247507B true IT1247507B (it) 1994-12-17

Family

ID=11359708

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI911094A IT1247507B (it) 1991-01-08 1991-04-19 Processo per la preparazione dell'acido 5(2,4 difluorofenil) salicilico

Country Status (1)

Country Link
IT (1) IT1247507B (it)

Also Published As

Publication number Publication date
ITMI911094A0 (it) 1991-04-19
ITMI911094A1 (it) 1992-10-19

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0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950313