IT1255191B - Bisbenzofuran-2-oni - Google Patents

Bisbenzofuran-2-oni

Info

Publication number
IT1255191B
IT1255191B ITMI921588A ITMI921588A IT1255191B IT 1255191 B IT1255191 B IT 1255191B IT MI921588 A ITMI921588 A IT MI921588A IT MI921588 A ITMI921588 A IT MI921588A IT 1255191 B IT1255191 B IT 1255191B
Authority
IT
Italy
Prior art keywords
formula
alkyl
replaced
bisbenzofuran
oni
Prior art date
Application number
ITMI921588A
Other languages
English (en)
Original Assignee
Ciba Geigy 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 Ciba Geigy Spa filed Critical Ciba Geigy Spa
Publication of ITMI921588A0 publication Critical patent/ITMI921588A0/it
Publication of ITMI921588A1 publication Critical patent/ITMI921588A1/it
Application granted granted Critical
Publication of IT1255191B publication Critical patent/IT1255191B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D407/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00
    • C07D407/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00 containing three or more hetero rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
    • C07D307/82—Benzo [b] furans; Hydrogenated benzo [b] furans with hetero atoms or 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 to carbon atoms of the hetero ring
    • C07D307/83—Oxygen atoms
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/15—Heterocyclic compounds having oxygen in the ring
    • C08K5/151—Heterocyclic compounds having oxygen in the ring having one oxygen atom in the ring
    • C08K5/1535—Five-membered rings

Abstract

Composti di formula (1) (FORMULA I) in cui R1 indica idrogeno, C1-C8-alchile, C5-C8-cicloalchile oppure C7-C9-fenilalchile, A1 e A4 indicano fenile (FORMULA 2) oppure fenile sostituito con 1 fino a 3 radiacali R3, i radicali R3 indipendentemente l'uno dall'altro rappresentando C1-C4-alchile, C1-C18-alcossi, C3-C4-alchenilossi, C7-C9-fenilalchilossi, C5-C8-cicloalchilossi, C1-C18-alcanoilossi, C3-C18-alchenoilossi, benzoilossi, fenossi oppure idrossi, m è il numero 1 oppure 2, A2 e A3 insieme con l'atomo di carbonio al quale sono legati, formano un anello del C5-C7-cicloalchilidene non sostituito oppure sostituito con 1 fino a 3 gruppi C1-C4-alchilici, sono adatti bene per stabilizzare materiali organici contro una degradazione termica, ossidativa oppure indotta dalla luce.
ITMI921588A 1991-07-01 1992-06-30 Bisbenzofuran-2-oni IT1255191B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH193591 1991-07-01

Publications (3)

Publication Number Publication Date
ITMI921588A0 ITMI921588A0 (it) 1992-06-30
ITMI921588A1 ITMI921588A1 (it) 1993-12-30
IT1255191B true IT1255191B (it) 1995-10-20

Family

ID=4222048

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI921588A IT1255191B (it) 1991-07-01 1992-06-30 Bisbenzofuran-2-oni

Country Status (11)

Country Link
US (1) US5216052A (it)
JP (1) JP3062977B2 (it)
KR (1) KR100218594B1 (it)
BE (1) BE1005299A3 (it)
CA (1) CA2072717A1 (it)
DE (1) DE4221068A1 (it)
FR (1) FR2678616B1 (it)
GB (1) GB2257140B (it)
IT (1) IT1255191B (it)
NL (1) NL9201164A (it)
TW (1) TW206220B (it)

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FR2678616B1 (fr) 1993-12-03
FR2678616A1 (fr) 1993-01-08
JP3062977B2 (ja) 2000-07-12
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JPH05230050A (ja) 1993-09-07
US5216052A (en) 1993-06-01
ITMI921588A1 (it) 1993-12-30
ITMI921588A0 (it) 1992-06-30
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GB9213596D0 (en) 1992-08-12
CA2072717A1 (en) 1993-01-02

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