CH377814A - Process for the preparation of 16a-methyl-1,4-pregnadienes - Google Patents

Process for the preparation of 16a-methyl-1,4-pregnadienes

Info

Publication number
CH377814A
CH377814A CH7465159A CH7465159A CH377814A CH 377814 A CH377814 A CH 377814A CH 7465159 A CH7465159 A CH 7465159A CH 7465159 A CH7465159 A CH 7465159A CH 377814 A CH377814 A CH 377814A
Authority
CH
Switzerland
Prior art keywords
pregnadienes
methyl
preparation
Prior art date
Application number
CH7465159A
Other languages
German (de)
Inventor
Franz Hirschmann Ralph
Original Assignee
Merck & Co Inc
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 Merck & Co Inc filed Critical Merck & Co Inc
Publication of CH377814A publication Critical patent/CH377814A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J71/00Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J5/00Normal 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J75/00Processes for the preparation of steroids in general

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Saccharide Compounds (AREA)
  • Steroid Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH7465159A 1958-06-19 1959-06-19 Process for the preparation of 16a-methyl-1,4-pregnadienes CH377814A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74299358A 1958-06-19 1958-06-19

Publications (1)

Publication Number Publication Date
CH377814A true CH377814A (en) 1964-05-31

Family

ID=24987083

Family Applications (1)

Application Number Title Priority Date Filing Date
CH7465159A CH377814A (en) 1958-06-19 1959-06-19 Process for the preparation of 16a-methyl-1,4-pregnadienes

Country Status (5)

Country Link
BE (1) BE579691A (en)
CH (1) CH377814A (en)
DE (1) DE1418321A1 (en)
ES (1) ES250644A1 (en)
NO (1) NO122368B (en)

Also Published As

Publication number Publication date
ES250644A1 (en) 1959-12-16
BE579691A (en) 1959-12-15
DE1418321A1 (en) 1969-07-10
NO122368B (en) 1971-06-21

Similar Documents

Publication Publication Date Title
CH411921A (en) Process for the preparation of aminoacetonitriles
CH430914A (en) Process for the preparation of unsymmetrical quinacridine-7,14-diones
CH397677A (en) Process for the preparation of aroylalkylpiperidines
CH384563A (en) Process for the preparation of N-monoalkyl-amides of O, O-dimethyl-dithiophosphoryl-acetic acid
CH379488A (en) Process for the preparation of 1,4-dicyanobutenes
CH390912A (en) Process for the preparation of 16-alkyl-9a-halogen-11B, 17a, 21-trioxy-4-pregnen-3,20-dione-21-acylate compounds
CH397665A (en) Process for the preparation of 6B, 16B-dimethyl-11-ketoprogesterone
CH371446A (en) Process for the preparation of 6a, 16a-dimethylprogesterone
CH408015A (en) Process for the preparation of 3-nitro-azacyclo-alkanone-2-N-carbochlorides
CH389628A (en) Process for the preparation of 2,4-diamino-quinazolines
CH377358A (en) Process for the preparation of di-alkyleneimides
CH417104A (en) Process for the preparation of eupolyoxymethylenes
CH387645A (en) Process for the preparation of rhodantriazines
CH369448A (en) Process for the preparation of 19-nor-androstane-3b, 17b-diols
AT209341B (en) Process for the preparation of 1,3,4-oxdiazoles
CH374659A (en) Process for the preparation of 11-oxy-steroids
CH378312A (en) Process for the preparation of ethynyl-a- or -b-ionol
CH394229A (en) Process for the preparation of 3-aralkyl-2-tert-aminoalkyl-indenes
CH369133A (en) Process for the preparation of substituted tetrahydro-oxazines
CH376915A (en) Process for the preparation of 16B-methyl-1,4-pregnadienes
CH377814A (en) Process for the preparation of 16a-methyl-1,4-pregnadienes
CH374998A (en) Process for the preparation of 3B-oxy- and 3B-acyloxy-6,16-dimethylpregna-5,16-dien-20-one
CH387627A (en) Process for the preparation of 16-alkyl-3a, 17a-dioxy-11,20-pregnandiones
CH389601A (en) Process for the preparation of 16a-alkyl-5,6-dihalo-3B, 17a-dihydroxypregnan-20-ones
CH376913A (en) Process for the preparation of 3B, 17a-dihydroxy-16a-alkyl-allopregnan-20-ones