CH432513A - Process for the preparation of new, 1'-substituted 17a, 21- (1'-alkoxy) methylenedioxysteroids - Google Patents

Process for the preparation of new, 1'-substituted 17a, 21- (1'-alkoxy) methylenedioxysteroids

Info

Publication number
CH432513A
CH432513A CH666762A CH666762A CH432513A CH 432513 A CH432513 A CH 432513A CH 666762 A CH666762 A CH 666762A CH 666762 A CH666762 A CH 666762A CH 432513 A CH432513 A CH 432513A
Authority
CH
Switzerland
Prior art keywords
methylenedioxysteroids
alkoxy
substituted
preparation
new
Prior art date
Application number
CH666762A
Other languages
German (de)
Inventor
Alberto Prof Ercoli
Rinaldo Dr Gardi
Original Assignee
Vismara Francesco Spa
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 DEV21321A external-priority patent/DE1173897B/en
Application filed by Vismara Francesco Spa filed Critical Vismara Francesco Spa
Publication of CH432513A publication Critical patent/CH432513A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J21/00—Normal steroids containing carbon, hydrogen, halogen or oxygen having an oxygen-containing hetero ring spiro-condensed with the cyclopenta(a)hydrophenanthrene skeleton
    • 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)
  • Steroid Compounds (AREA)
CH666762A 1961-06-13 1962-06-01 Process for the preparation of new, 1'-substituted 17a, 21- (1'-alkoxy) methylenedioxysteroids CH432513A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT1078961 1961-06-13
IT1165961 1961-06-24
DEV21321A DE1173897B (en) 1961-06-24 1961-09-18 Process for the preparation of cyclic 17ª ‡, 21-orthoformic acid esters of? -3-keto steroids

Publications (1)

Publication Number Publication Date
CH432513A true CH432513A (en) 1967-03-31

Family

ID=27213296

Family Applications (1)

Application Number Title Priority Date Filing Date
CH666762A CH432513A (en) 1961-06-13 1962-06-01 Process for the preparation of new, 1'-substituted 17a, 21- (1'-alkoxy) methylenedioxysteroids

Country Status (2)

Country Link
CH (1) CH432513A (en)
GB (1) GB996079A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4069322A (en) * 1976-10-12 1978-01-17 Interx Research Corporation Pro-drugs for the improved delivery of certain selected anti-inflammatory steroids
IT202100008429A1 (en) * 2021-04-06 2022-10-06 Farmabios Spa Process for the preparation of cortexolone 17α-propionate and its new hydrated crystalline form
CN116023425B (en) * 2023-03-28 2023-06-20 南京师范大学 Triamcinolone derivatives and medical application thereof

Also Published As

Publication number Publication date
GB996079A (en) 1965-06-23

Similar Documents

Publication Publication Date Title
CH457473A (en) Process for the preparation of 9,10-dihydroergovaline
CH416608A (en) Process for preparing new 1,4-16a-methyl steroids
CH422819A (en) Process for the preparation of new aromatic hydroxy compounds
AT253493B (en) Process for the preparation of new 4-alkyl-3,3-disubstituted-1-substituted-pyrrolidin-2-ones and -pyrrolidin-2-thiones
AT212830B (en) Process for the preparation of new 1,2,4-oxdiazoles
CH432513A (en) Process for the preparation of new, 1'-substituted 17a, 21- (1'-alkoxy) methylenedioxysteroids
CH475266A (en) Process for the preparation of new benzoazacycloalkenes
AT248030B (en) Process for the preparation of new 5'-sulfoxides
AT252259B (en) Process for the preparation of new N'-substituted N-arylsulfonylureas
CH404674A (en) Process for the preparation of new 3-alkenyl- and 3-alkynyl-1- (5-nitrofurfurylidene-amino) -hydantoins
AT230894B (en) Process for the preparation of new pyridazine derivatives
CH433236A (en) Process for the preparation of 2,6-dichlorobenzonitrile
CH471136A (en) Process for the preparation of new 1,3-dihydro-5-aryl-2H-1,4-benzodiazepin-2-one-4-oxides
AT251777B (en) Process for the preparation of new hendekapeptides
CH423050A (en) Process for the preparation of new diacylaminoanthraquinones
CH426797A (en) Process for the preparation of new 6a-difluoromethyl-17a-hydroxy-1,4-pregnadiene-3,20-dione-17a-acylate
CH407119A (en) Process for the preparation of new 5-nitrofuran derivatives
CH346956A (en) Process for the preparation of new 1,4-dioxy-5-acylaminoanthraquinones
AT247362B (en) Process for the preparation of new N-methyl-2,2-diphenyl-3-hydroxypropylcarbamate
CH404652A (en) Process for the preparation of 1,4-3-keto steroids
CH410950A (en) Process for the preparation of new 5-nitrofuran derivatives
CH422796A (en) Process for the preparation of new 3-azabicyclo- (3,3,1) -nonane compounds
CH448049A (en) Process for the preparation of new benzenesulfonylsemicarbazides
CH435256A (en) Process for the preparation of new oxidosteroids
CH435257A (en) Process for the preparation of new oxidosteroids