IT1244361B - 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
IT1244361B
IT1244361B ITMI910027A ITMI910027A IT1244361B IT 1244361 B IT1244361 B IT 1244361B IT MI910027 A ITMI910027 A IT MI910027A IT MI910027 A ITMI910027 A IT MI910027A IT 1244361 B IT1244361 B IT 1244361B
Authority
IT
Italy
Prior art keywords
difluorophenyl
preparation
salicylic acid
difluorohalobenzene
reaction
Prior art date
Application number
ITMI910027A
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 ITMI910027A0 publication Critical patent/ITMI910027A0/it
Priority to ITMI910027A priority Critical patent/IT1244361B/it
Priority to IL100353A priority patent/IL100353A/xx
Priority to US07/813,661 priority patent/US5312975A/en
Priority to JP03361474A priority patent/JP3106259B2/ja
Priority to CA002058646A priority patent/CA2058646C/en
Priority to DK91121785.9T priority patent/DK0494419T3/da
Priority to AT91121785T priority patent/ATE131149T1/de
Priority to DE69206423T priority patent/DE69206423T2/de
Priority to EP91121785A priority patent/EP0494419B1/en
Priority to ES91121785T priority patent/ES2081417T3/es
Priority to FI920069A priority patent/FI103788B/fi
Publication of ITMI910027A1 publication Critical patent/ITMI910027A1/it
Priority to US08/174,316 priority patent/US5412143A/en
Application granted granted Critical
Publication of IT1244361B publication Critical patent/IT1244361B/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 2, 4-difluoroalobenzene in presenza di catalizzatori a base di metalli di transizione.
ITMI910027A 1991-01-08 1991-01-08 Processo per la preparazione dell'acido 5-(2,4-difluorofenil)- salicilico IT1244361B (it)

Priority Applications (13)

Application Number Priority Date Filing Date Title
ITMI910027A IT1244361B (it) 1991-01-08 1991-01-08 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
US07/813,661 US5312975A (en) 1991-01-08 1991-12-27 Process for the preparation of 5-(2,4-difluorophenyl)-salicylic acid
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
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.
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.
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.
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
ITMI910027A IT1244361B (it) 1991-01-08 1991-01-08 Processo per la preparazione dell'acido 5-(2,4-difluorofenil)- salicilico

Publications (3)

Publication Number Publication Date
ITMI910027A0 ITMI910027A0 (it) 1991-01-08
ITMI910027A1 ITMI910027A1 (it) 1992-07-08
IT1244361B true IT1244361B (it) 1994-07-08

Family

ID=11358035

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI910027A IT1244361B (it) 1991-01-08 1991-01-08 Processo per la preparazione dell'acido 5-(2,4-difluorofenil)- salicilico

Country Status (1)

Country Link
IT (1) IT1244361B (it)

Also Published As

Publication number Publication date
ITMI910027A0 (it) 1991-01-08
ITMI910027A1 (it) 1992-07-08

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

Effective date: 19941228