JPS5212167A - Chroman derivatives - Google Patents

Chroman derivatives

Info

Publication number
JPS5212167A
JPS5212167A JP8078276A JP8078276A JPS5212167A JP S5212167 A JPS5212167 A JP S5212167A JP 8078276 A JP8078276 A JP 8078276A JP 8078276 A JP8078276 A JP 8078276A JP S5212167 A JPS5212167 A JP S5212167A
Authority
JP
Japan
Prior art keywords
chroman derivatives
lower alkyl
chroman
derivatives
allenesulfonyl
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP8078276A
Other languages
Japanese (ja)
Inventor
Kazuo Karigome
Hirokazu Tanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujisawa Pharmaceutical Co Ltd
Original Assignee
Fujisawa Pharmaceutical Co Ltd
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 Fujisawa Pharmaceutical Co Ltd filed Critical Fujisawa Pharmaceutical Co Ltd
Publication of JPS5212167A publication Critical patent/JPS5212167A/en
Pending legal-status Critical Current

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
    • C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
    • C07D311/60—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4 with aryl radicals attached in position 2
    • 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
    • C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
    • C07D311/70—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4 with two hydrocarbon radicals attached in position 2 and elements other than carbon and hydrogen in position 6
    • C07D311/72—3,4-Dihydro derivatives having in position 2 at least one methyl radical and in position 6 one oxygen atom, e.g. tocopherols

Abstract

PURPOSE: Chroman derivatives of formula I [R1 W R3 are lower alkyl; R4 is H or lower alkyl; R5 is lower alkyl or aryl; R6 is lower or higher alkanoyl, alkylcarbamoyl, aroyl, alkoxycarbonyl, alkanesulfonyl, allenesulfonyl, arylcarbamoyl or II (R7 is allenylene)].
COPYRIGHT: (C)1977,JPO&Japio
JP8078276A 1975-07-17 1976-07-06 Chroman derivatives Pending JPS5212167A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3003375A GB1552628A (en) 1975-07-17 1975-07-17 6-hydroxy chroman derivatives

Publications (1)

Publication Number Publication Date
JPS5212167A true JPS5212167A (en) 1977-01-29

Family

ID=10301186

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8078276A Pending JPS5212167A (en) 1975-07-17 1976-07-06 Chroman derivatives

Country Status (2)

Country Link
JP (1) JPS5212167A (en)
GB (1) GB1552628A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5235633A (en) * 1975-09-16 1977-03-18 Mitsubishi Paper Mills Ltd Color photographic material having improved fading staining and hue
JPS52147433A (en) * 1976-06-02 1977-12-07 Fuji Photo Film Co Ltd Color photographic light sensitive material

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5235633A (en) * 1975-09-16 1977-03-18 Mitsubishi Paper Mills Ltd Color photographic material having improved fading staining and hue
JPS5921014B2 (en) * 1975-09-16 1984-05-17 三菱製紙株式会社 Color photographic material with improved fading stains and hue
JPS52147433A (en) * 1976-06-02 1977-12-07 Fuji Photo Film Co Ltd Color photographic light sensitive material

Also Published As

Publication number Publication date
GB1552628A (en) 1979-09-19

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