CA949555A - Methods of preparing 21-fluoro-16,17-alkylidenedioxy-3,20-diketo-pregnanes - Google Patents

Methods of preparing 21-fluoro-16,17-alkylidenedioxy-3,20-diketo-pregnanes

Info

Publication number
CA949555A
CA949555A CA139,010A CA139010A CA949555A CA 949555 A CA949555 A CA 949555A CA 139010 A CA139010 A CA 139010A CA 949555 A CA949555 A CA 949555A
Authority
CA
Canada
Prior art keywords
alkylidenedioxy
pregnanes
diketo
fluoro
preparing
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
CA139,010A
Other languages
English (en)
Other versions
CA139010S (en
Inventor
Francisco S. Alvarez
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.)
Roche Palo Alto LLC
Original Assignee
Roche Palo Alto LLC
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 Roche Palo Alto LLC filed Critical Roche Palo Alto LLC
Application granted granted Critical
Publication of CA949555A publication Critical patent/CA949555A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J71/00—Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J5/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J7/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J71/00—Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring
    • C07J71/0005—Oxygen-containing hetero ring
    • C07J71/0026—Oxygen-containing hetero ring cyclic ketals
    • C07J71/0031—Oxygen-containing hetero ring cyclic ketals at positions 16, 17

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Steroid Compounds (AREA)
CA139,010A 1971-05-26 1972-04-06 Methods of preparing 21-fluoro-16,17-alkylidenedioxy-3,20-diketo-pregnanes Expired CA949555A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14721871A 1971-05-26 1971-05-26

Publications (1)

Publication Number Publication Date
CA949555A true CA949555A (en) 1974-06-18

Family

ID=22520702

Family Applications (1)

Application Number Title Priority Date Filing Date
CA139,010A Expired CA949555A (en) 1971-05-26 1972-04-06 Methods of preparing 21-fluoro-16,17-alkylidenedioxy-3,20-diketo-pregnanes

Country Status (7)

Country Link
US (1) US3728335A (OSRAM)
CA (1) CA949555A (OSRAM)
CH (2) CH596236A5 (OSRAM)
FR (1) FR2138922B1 (OSRAM)
GB (1) GB1356373A (OSRAM)
NL (1) NL7207165A (OSRAM)
SE (2) SE384513B (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2141492C (en) * 1994-04-28 1999-07-27 Bruce B. Randolph Transportation of hydrogen fluoride

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3226383A (en) * 1959-05-18 1965-12-28 Syntex Corp 21-desoxy-16,17-cyclic acetals

Also Published As

Publication number Publication date
CH601349A5 (OSRAM) 1978-07-14
GB1356373A (en) 1974-06-12
FR2138922B1 (OSRAM) 1975-10-31
NL7207165A (OSRAM) 1972-11-28
DE2225324B2 (de) 1977-03-10
US3728335A (en) 1973-04-17
SE384513B (sv) 1976-05-10
FR2138922A1 (OSRAM) 1973-01-05
CH596236A5 (OSRAM) 1978-03-15
DE2225324A1 (de) 1972-12-07
SE7506748L (sv) 1975-06-12

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