IT1244036B - Processo per la preparazione del 4-nitro-benzoato di 4-(2,4- difluorofenil)-fenile - Google Patents

Processo per la preparazione del 4-nitro-benzoato di 4-(2,4- difluorofenil)-fenile

Info

Publication number
IT1244036B
IT1244036B IT02244190A IT2244190A IT1244036B IT 1244036 B IT1244036 B IT 1244036B IT 02244190 A IT02244190 A IT 02244190A IT 2244190 A IT2244190 A IT 2244190A IT 1244036 B IT1244036 B IT 1244036B
Authority
IT
Italy
Prior art keywords
difluorofenil
fenile
benzoate
nitro
preparation
Prior art date
Application number
IT02244190A
Other languages
English (en)
Other versions
IT9022441A1 (it
IT9022441A0 (it
Inventor
Claudio Giordano
Laura Coppi
Maurizio Paiocchi
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
Priority to IT02244190A priority Critical patent/IT1244036B/it
Publication of IT9022441A0 publication Critical patent/IT9022441A0/it
Priority to US07/802,398 priority patent/US5142093A/en
Priority to US07/866,576 priority patent/US5239114A/en
Publication of IT9022441A1 publication Critical patent/IT9022441A1/it
Application granted granted Critical
Publication of IT1244036B publication Critical patent/IT1244036B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
    • C07C205/45—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by at least one doubly—bound oxygen atom, not being part of a —CHO group
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06—Preparation of nitro compounds
    • C07C201/12—Preparation of nitro compounds by reactions not involving the formation of nitro groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
    • C07C205/49—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by carboxyl groups
    • C07C205/57—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by carboxyl groups having nitro groups and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT02244190A 1990-12-19 1990-12-19 Processo per la preparazione del 4-nitro-benzoato di 4-(2,4- difluorofenil)-fenile IT1244036B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT02244190A IT1244036B (it) 1990-12-19 1990-12-19 Processo per la preparazione del 4-nitro-benzoato di 4-(2,4- difluorofenil)-fenile
US07/802,398 US5142093A (en) 1990-12-19 1991-12-04 Process for the preparation of 4-(2,4-difluorophenyl)-phenyl 4-nitro-benzoate
US07/866,576 US5239114A (en) 1990-12-19 1992-04-10 Process for the preparation of 4-(2,4-difluorophenyl)-phenyl 4-nitrobenzoate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02244190A IT1244036B (it) 1990-12-19 1990-12-19 Processo per la preparazione del 4-nitro-benzoato di 4-(2,4- difluorofenil)-fenile

Publications (3)

Publication Number Publication Date
IT9022441A0 IT9022441A0 (it) 1990-12-19
IT9022441A1 IT9022441A1 (it) 1992-06-19
IT1244036B true IT1244036B (it) 1994-06-28

Family

ID=11196339

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02244190A IT1244036B (it) 1990-12-19 1990-12-19 Processo per la preparazione del 4-nitro-benzoato di 4-(2,4- difluorofenil)-fenile

Country Status (2)

Country Link
US (1) US5142093A (it)
IT (1) IT1244036B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL100353A (en) * 1991-01-08 1997-06-10 Zambon Spa Preparation of 5-(2, 4-difluorophenyl)-salicylic acid and novel 2,4-difluorophenyl-boronic acid derivatives being intermediates therefor
ITMI20010936A1 (it) * 2001-05-08 2002-11-08 Laboratorio Chimico Int Spa Processo per la produzione di acidi 2-4-(2,2-dialociclopropil)fenossi|-alcanoici e loro esteri

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52142683A (en) * 1976-05-25 1977-11-28 Citizen Watch Co Ltd Liquid crystal composite
US4225730A (en) * 1978-05-11 1980-09-30 Merck & Co., Inc. Process for preparing 4-(2,4-difluorophenyl)-salicyclic acid
IT1190926B (it) * 1982-07-22 1988-02-24 Zambon Spa Procedimento per preparare l'acido 2',4'-difluoro-4-idrossi-(1,1'-difenil)-3-carbossilico

Also Published As

Publication number Publication date
US5142093A (en) 1992-08-25
IT9022441A1 (it) 1992-06-19
IT9022441A0 (it) 1990-12-19

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