CH473789A - Process for making new 9B, 10a steroids - Google Patents

Process for making new 9B, 10a steroids

Info

Publication number
CH473789A
CH473789A CH1402667A CH1402667A CH473789A CH 473789 A CH473789 A CH 473789A CH 1402667 A CH1402667 A CH 1402667A CH 1402667 A CH1402667 A CH 1402667A CH 473789 A CH473789 A CH 473789A
Authority
CH
Switzerland
Prior art keywords
steroids
making new
making
new
Prior art date
Application number
CH1402667A
Other languages
German (de)
Inventor
Harmen Reerink Engbert
Louis Scholer Hendrik Frederik
Westerhof Pieter
Original Assignee
Hoffmann La Roche
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 Hoffmann La Roche filed Critical Hoffmann La Roche
Priority to CH1402667A priority Critical patent/CH473789A/en
Priority claimed from CH1397964A external-priority patent/CH464908A/en
Publication of CH473789A publication Critical patent/CH473789A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J15/00—Stereochemically pure steroids containing carbon, hydrogen, halogen or oxygen having a partially or totally inverted skeleton, e.g. retrosteroids, L-isomers
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J1/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom, e.g. estrane, androstane
    • 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
    • C07J75/00—Processes for the preparation of steroids in general

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
CH1402667A 1964-10-28 1964-10-28 Process for making new 9B, 10a steroids CH473789A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CH1402667A CH473789A (en) 1964-10-28 1964-10-28 Process for making new 9B, 10a steroids

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
CH1402667A CH473789A (en) 1964-10-28 1964-10-28 Process for making new 9B, 10a steroids
CH1397964A CH464908A (en) 1964-10-28 1964-10-28 Process for making new 9B, 10a steroids
BE705455 1967-10-20
CH1476467A CH472255A (en) 1964-10-28 1967-10-23 Method and device for controlling the height of a liquid metal level
GB48328/67A GB1203070A (en) 1964-10-28 1967-10-24 Mold riser height control
AU28875/67A AU425465B2 (en) 1964-10-28 1967-10-24 Mold riser height control
DEA0057162 1967-10-24
LU54730A LU54730A1 (en) 1964-10-28 1967-10-24
NL6714413A NL6714413A (en) 1964-10-28 1967-10-24

Publications (1)

Publication Number Publication Date
CH473789A true CH473789A (en) 1969-06-15

Family

ID=27575614

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1402667A CH473789A (en) 1964-10-28 1964-10-28 Process for making new 9B, 10a steroids

Country Status (1)

Country Link
CH (1) CH473789A (en)

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Legal Events

Date Code Title Description
PL Patent ceased