IT1212506B - CUMARINIC DERIVATIVES, PARTICULARLY USEFUL AS OPTICAL WHITENERS - Google Patents

CUMARINIC DERIVATIVES, PARTICULARLY USEFUL AS OPTICAL WHITENERS

Info

Publication number
IT1212506B
IT1212506B IT8124283A IT2428381A IT1212506B IT 1212506 B IT1212506 B IT 1212506B IT 8124283 A IT8124283 A IT 8124283A IT 2428381 A IT2428381 A IT 2428381A IT 1212506 B IT1212506 B IT 1212506B
Authority
IT
Italy
Prior art keywords
cumarinic
derivatives
particularly useful
optical whiteners
whiteners
Prior art date
Application number
IT8124283A
Other languages
Italian (it)
Other versions
IT8124283A0 (en
Inventor
Fritz Fleck
Original Assignee
Sandoz Ag
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 Sandoz Ag filed Critical Sandoz Ag
Publication of IT8124283A0 publication Critical patent/IT8124283A0/en
Application granted granted Critical
Publication of IT1212506B publication Critical patent/IT1212506B/en

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
    • C07D311/06—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2
    • C07D311/08—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring
    • C07D311/16—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 7
    • 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
    • C07D311/78—Ring systems having three or more relevant rings
    • C07D311/80—Dibenzopyrans; Hydrogenated dibenzopyrans

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyrane Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Artificial Filaments (AREA)
  • Detergent Compositions (AREA)
IT8124283A 1980-10-03 1981-10-02 CUMARINIC DERIVATIVES, PARTICULARLY USEFUL AS OPTICAL WHITENERS IT1212506B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH7404/80A CH647774A5 (en) 1980-10-03 1980-10-03 Organic compounds and preparation and use thereof

Publications (2)

Publication Number Publication Date
IT8124283A0 IT8124283A0 (en) 1981-10-02
IT1212506B true IT1212506B (en) 1989-11-22

Family

ID=4324609

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8124283A IT1212506B (en) 1980-10-03 1981-10-02 CUMARINIC DERIVATIVES, PARTICULARLY USEFUL AS OPTICAL WHITENERS

Country Status (3)

Country Link
JP (1) JPS5791985A (en)
CH (1) CH647774A5 (en)
IT (1) IT1212506B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7998541B2 (en) * 2005-12-22 2011-08-16 Merck Patent Gmbh Benzochromene derivatives for use in liquid crystal media and as therapeutic active substances

Also Published As

Publication number Publication date
JPH0219114B2 (en) 1990-04-27
JPS5791985A (en) 1982-06-08
CH647774A5 (en) 1985-02-15
IT8124283A0 (en) 1981-10-02

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