GB1404284A - Cyclopenta their preparation - Google Patents

Cyclopenta their preparation

Info

Publication number
GB1404284A
GB1404284A GB4510573A GB4510573A GB1404284A GB 1404284 A GB1404284 A GB 1404284A GB 4510573 A GB4510573 A GB 4510573A GB 4510573 A GB4510573 A GB 4510573A GB 1404284 A GB1404284 A GB 1404284A
Authority
GB
United Kingdom
Prior art keywords
cyclopenta
preparation
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
GB4510573A
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.)
Pharmacia and Upjohn Co
Original Assignee
Upjohn Co
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 Upjohn Co filed Critical Upjohn Co
Publication of GB1404284A publication Critical patent/GB1404284A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
    • C07D471/04—Ortho-condensed systems
    • 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
    • C07C2603/18—Fluorenes; Hydrogenated fluorenes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
GB4510573A 1972-11-20 1973-09-26 Cyclopenta their preparation Expired GB1404284A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00308035A US3821227A (en) 1972-11-20 1972-11-20 4,7 dioxo 12h-cyclopenta (2, 1-8:3,4 g')diquinoline 2,9 dicarboxylic acid derivatives

Publications (1)

Publication Number Publication Date
GB1404284A true GB1404284A (en) 1975-08-28

Family

ID=23192254

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4510573A Expired GB1404284A (en) 1972-11-20 1973-09-26 Cyclopenta their preparation

Country Status (6)

Country Link
US (1) US3821227A (en)
JP (1) JPS4981400A (en)
BE (1) BE807548A (en)
DE (1) DE2356830A1 (en)
FR (1) FR2206945B1 (en)
GB (1) GB1404284A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3953598A (en) * 1972-09-08 1976-04-27 The Upjohn Company Compounds, compositions and methods of use
JPH05118062A (en) * 1991-10-25 1993-05-14 Inax Corp Piping unit for bathroom
EP3924447B1 (en) * 2019-02-15 2024-01-24 Merck Patent GmbH Polymerisable compounds and the use thereof in liquid-crystal displays
CN112778140B (en) * 2020-12-29 2023-01-03 宁波博雅聚力新材料科技有限公司 Fluorene-containing diamine monomer, polyimide film, preparation method and application thereof

Also Published As

Publication number Publication date
BE807548A (en) 1974-05-20
US3821227A (en) 1974-06-28
JPS4981400A (en) 1974-08-06
DE2356830A1 (en) 1974-06-06
FR2206945B1 (en) 1977-11-10
FR2206945A1 (en) 1974-06-14

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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