IT1060245B - Procedimento per la preparazione di derivati bis cromoncarbossilici - Google Patents

Procedimento per la preparazione di derivati bis cromoncarbossilici

Info

Publication number
IT1060245B
IT1060245B IT22602/76A IT2260276A IT1060245B IT 1060245 B IT1060245 B IT 1060245B IT 22602/76 A IT22602/76 A IT 22602/76A IT 2260276 A IT2260276 A IT 2260276A IT 1060245 B IT1060245 B IT 1060245B
Authority
IT
Italy
Prior art keywords
chromoncarboxyl
bis
derivatives
procedure
preparation
Prior art date
Application number
IT22602/76A
Other languages
English (en)
Inventor
G Gaviraghi
G Pifferi
Original Assignee
Isf 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 Isf Spa filed Critical Isf Spa
Priority to IT22602/76A priority Critical patent/IT1060245B/it
Priority to IL51909A priority patent/IL51909A0/xx
Priority to BG036045A priority patent/BG27748A3/xx
Priority to PT66460A priority patent/PT66460A/pt
Priority to GR53246A priority patent/GR59774B/el
Priority to DD7700198531A priority patent/DD129787A5/xx
Priority to ES458073A priority patent/ES458073A1/es
Priority to DE19772718041 priority patent/DE2718041A1/de
Application granted granted Critical
Publication of IT1060245B publication Critical patent/IT1060245B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
    • C07D311/24—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C07C45/70—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction with functional groups containing oxygen only in singly bound form
    • C07C45/71—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction with functional groups containing oxygen only in singly bound form being hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C07C45/72—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
    • C07D303/02—Compounds containing oxirane rings
    • C07D303/12—Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms
    • C07D303/18—Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms by etherified hydroxyl radicals
    • C07D303/20—Ethers with hydroxy compounds containing no oxirane rings
    • C07D303/24—Ethers with hydroxy compounds containing no oxirane rings with polyhydroxy compounds
    • C07D303/26—Ethers with hydroxy compounds containing no oxirane rings with polyhydroxy compounds having one or more free hydroxyl radicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT22602/76A 1976-04-23 1976-04-23 Procedimento per la preparazione di derivati bis cromoncarbossilici IT1060245B (it)

Priority Applications (8)

Application Number Priority Date Filing Date Title
IT22602/76A IT1060245B (it) 1976-04-23 1976-04-23 Procedimento per la preparazione di derivati bis cromoncarbossilici
IL51909A IL51909A0 (en) 1976-04-23 1977-04-19 The preparation of bis-chromoncarboxylic acid derivatives
BG036045A BG27748A3 (en) 1976-04-23 1977-04-19 Method of obtaining of derivatives of bischromoncarbonic acid
PT66460A PT66460A (en) 1976-04-23 1977-04-20 Process for preparing bis-chromoncarboxylic acid derivatives
GR53246A GR59774B (en) 1976-04-23 1977-04-20 Process for the preparation of bis-chromoncarboxylic acid
DD7700198531A DD129787A5 (de) 1976-04-23 1977-04-21 Verfahren zur darstellung von derivaten der bis-chromonkarbonsaeure
ES458073A ES458073A1 (es) 1976-04-23 1977-04-22 Procedimiento para la preparacion de derivados de acido bis-cromoncarboxilico.
DE19772718041 DE2718041A1 (de) 1976-04-23 1977-04-22 Verfahren zur herstellung von chrom-4-on-2-carbonsaeuren

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT22602/76A IT1060245B (it) 1976-04-23 1976-04-23 Procedimento per la preparazione di derivati bis cromoncarbossilici

Publications (1)

Publication Number Publication Date
IT1060245B true IT1060245B (it) 1982-07-10

Family

ID=11198325

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22602/76A IT1060245B (it) 1976-04-23 1976-04-23 Procedimento per la preparazione di derivati bis cromoncarbossilici

Country Status (8)

Country Link
BG (1) BG27748A3 (it)
DD (1) DD129787A5 (it)
DE (1) DE2718041A1 (it)
ES (1) ES458073A1 (it)
GR (1) GR59774B (it)
IL (1) IL51909A0 (it)
IT (1) IT1060245B (it)
PT (1) PT66460A (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017158612A1 (en) * 2016-03-18 2017-09-21 Department Of Biotechnology Multi-functional chemical agents, and the method for protein modification

Also Published As

Publication number Publication date
ES458073A1 (es) 1978-03-16
IL51909A0 (en) 1977-06-30
PT66460A (en) 1977-05-01
DD129787A5 (de) 1978-02-08
BG27748A3 (en) 1979-12-12
DE2718041A1 (de) 1977-11-17
GR59774B (en) 1978-02-25

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