GB1396562A - Benzopyran derivatives and process for their preparation - Google Patents

Benzopyran derivatives and process for their preparation

Info

Publication number
GB1396562A
GB1396562A GB2726072A GB2726072A GB1396562A GB 1396562 A GB1396562 A GB 1396562A GB 2726072 A GB2726072 A GB 2726072A GB 2726072 A GB2726072 A GB 2726072A GB 1396562 A GB1396562 A GB 1396562A
Authority
GB
United Kingdom
Prior art keywords
compounds
esterified
etherified
prepared
products
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.)
Expired
Application number
GB2726072A
Other languages
English (en)
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.)
Bayer Pharma AG
Original Assignee
Schering 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 Schering AG filed Critical Schering AG
Publication of GB1396562A publication Critical patent/GB1396562A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H43/00—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operation after the programme is completed
    • H01H43/10—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operation after the programme is completed with timing of actuation of contacts due to a part rotating at substantially constant speed
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F3/00—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms, e.g. dosimeters with clockwork
    • G04F3/06—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms, e.g. dosimeters with clockwork with electric driving mechanisms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2603/00—Systems containing at least three condensed rings
    • C07C2603/02—Ortho- or ortho- and peri-condensed systems
    • C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
    • C07C2603/06—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members
    • C07C2603/10—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings
    • C07C2603/12—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings only one five-membered ring
    • C07C2603/16—Benz[e]indenes; Hydrogenated benz[e]indenes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Steroid Compounds (AREA)
  • Measurement Of Predetermined Time Intervals (AREA)
GB2726072A 1971-06-11 1972-06-12 Benzopyran derivatives and process for their preparation Expired GB1396562A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US15218371A 1971-06-11 1971-06-11
DE2130053A DE2130053C3 (de) 1971-06-11 1971-06-11 Verfahren zur Herstellung von Cyclopenta-[f][l]-benzopyran-derivaten
DE2160066A DE2160066C3 (de) 1971-06-11 1971-11-30 Verfahren zur Herstellung von Cyclopenta-[f] [l]-benzopyranderivaten

Publications (1)

Publication Number Publication Date
GB1396562A true GB1396562A (en) 1975-06-04

Family

ID=27183506

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2726072A Expired GB1396562A (en) 1971-06-11 1972-06-12 Benzopyran derivatives and process for their preparation

Country Status (9)

Country Link
US (2) US3699277A (https=)
AT (1) AT317212B (https=)
AU (1) AU458175B2 (https=)
CA (2) CA958739A (https=)
CH (1) CH579067A5 (https=)
DE (2) DE2130053C3 (https=)
FR (2) FR2140677B1 (https=)
GB (1) GB1396562A (https=)
NL (1) NL7207931A (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2228475A1 (de) * 1972-06-08 1973-12-20 Schering Ag Neue benzopyran-derivate
US4108871A (en) * 1972-06-08 1978-08-22 Schering Aktiengesellschaft Novel benzopyran derivatives
DK139227C (da) * 1972-06-08 1979-06-11 Schering Ag Fremgangsmaade til fremstilling af benzopyranderivater
US3790726A (en) * 1972-06-12 1974-02-05 Mallory & Co Inc P R Cam operated electrical timer assembly with improved contact and associated peripheral rib cam
DE2362563A1 (de) * 1973-12-17 1975-06-19 Graesslin Feinwerktech Kleinschaltuhr
US4381431A (en) * 1981-04-24 1983-04-26 Gulf & Western Manufacturing Company Hand set timer
DE3690779T1 (https=) * 1986-09-16 1988-08-25
US5814776A (en) * 1997-02-27 1998-09-29 Emerson Electric Co. Appliance timer having coupling mechanism that prevents camstack from rotating in inappropriate direction
US20030107272A1 (en) * 2001-12-10 2003-06-12 Lothar Westerweck Cam driven switch and overdrive protection method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3500005A (en) * 1967-10-04 1970-03-10 Mallory & Co Inc P R Variable circuit timer
US3579264A (en) * 1968-10-24 1971-05-18 Gulf & Western Industries Reversible programmer for electric circuits

Also Published As

Publication number Publication date
CA987329A (en) 1976-04-13
US3699277A (en) 1972-10-17
US3849447A (en) 1974-11-19
DE2160066B2 (de) 1981-06-11
DE2160066C3 (de) 1982-04-22
AU4313172A (en) 1973-12-13
AT317212B (de) 1974-08-26
DE2130053A1 (de) 1972-12-14
DE2160066A1 (de) 1973-06-07
AU4103172A (en) 1973-10-18
CA958739A (en) 1974-12-03
FR2140677A1 (https=) 1973-01-19
FR2140671B1 (https=) 1977-12-23
FR2140677B1 (https=) 1977-12-23
CH579067A5 (https=) 1976-08-31
NL7207931A (https=) 1972-12-13
FR2140671A1 (https=) 1973-01-19
DE2130053B2 (de) 1981-07-23
DE2130053C3 (de) 1982-04-29
AU458175B2 (en) 1975-02-20

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee