USB476372I5 - - Google Patents

Info

Publication number
USB476372I5
USB476372I5 US47637274A USB476372I5 US B476372 I5 USB476372 I5 US B476372I5 US 47637274 A US47637274 A US 47637274A US B476372 I5 USB476372 I5 US B476372I5
Authority
US
United States
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
Other languages
English (en)
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
Priority claimed from US00298036A external-priority patent/US3838163A/en
Application filed filed Critical
Priority to US05/476,372 priority Critical patent/US3985771A/en
Publication of USB476372I5 publication Critical patent/USB476372I5/en
Application granted granted Critical
Publication of US3985771A publication Critical patent/US3985771A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
    • C07F9/6527—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07F9/653—Five-membered rings
    • 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

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
US05/476,372 1968-11-22 1974-06-05 Total steroid synthesis employing substituted isoxazole derivatives Expired - Lifetime US3985771A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US05/476,372 US3985771A (en) 1968-11-22 1974-06-05 Total steroid synthesis employing substituted isoxazole derivatives

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US77831468A 1968-11-22 1968-11-22
US00298036A US3838163A (en) 1968-11-22 1972-10-16 Substituted isoxazole derivatives as steroid intermediates
US05/476,372 US3985771A (en) 1968-11-22 1974-06-05 Total steroid synthesis employing substituted isoxazole derivatives

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US00298036A Division US3838163A (en) 1968-11-22 1972-10-16 Substituted isoxazole derivatives as steroid intermediates

Publications (2)

Publication Number Publication Date
USB476372I5 true USB476372I5 (enrdf_load_stackoverflow) 1976-02-24
US3985771A US3985771A (en) 1976-10-12

Family

ID=27404531

Family Applications (1)

Application Number Title Priority Date Filing Date
US05/476,372 Expired - Lifetime US3985771A (en) 1968-11-22 1974-06-05 Total steroid synthesis employing substituted isoxazole derivatives

Country Status (1)

Country Link
US (1) US3985771A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4080334A (en) * 1968-11-22 1978-03-21 Hoffmann-La Roche Inc. Intermediates in the total synthesis employing substituted isoxazole derivatives
US4071537A (en) * 1975-12-22 1978-01-31 Hoffman-La Roche, Inc. Steroid total synthesis process utilizing a cyanoalkyl A-ring precursor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3591606A (en) * 1966-05-26 1971-07-06 Roussel Uclaf 3,5-diketals of 4,5 - seco-gonane-3,5,17-triones and process of preparation
US3591607A (en) * 1966-04-19 1971-07-06 Hoffmann La Roche Retrosteroid a-ring formation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3591607A (en) * 1966-04-19 1971-07-06 Hoffmann La Roche Retrosteroid a-ring formation
US3591606A (en) * 1966-05-26 1971-07-06 Roussel Uclaf 3,5-diketals of 4,5 - seco-gonane-3,5,17-triones and process of preparation

Also Published As

Publication number Publication date
US3985771A (en) 1976-10-12

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