NL7317656A - - Google Patents

Info

Publication number
NL7317656A
NL7317656A NL7317656A NL7317656A NL7317656A NL 7317656 A NL7317656 A NL 7317656A NL 7317656 A NL7317656 A NL 7317656A NL 7317656 A NL7317656 A NL 7317656A NL 7317656 A NL7317656 A NL 7317656A
Authority
NL
Netherlands
Application number
NL7317656A
Other versions
NL183763B (nl
NL183763C (nl
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 to DE19722264003 priority Critical patent/DE2264003C2/de
Priority to DE19732360444 priority patent/DE2360444A1/de
Priority to US42670273 priority patent/US3919421A/en
Application filed filed Critical
Publication of NL7317656A publication Critical patent/NL7317656A/xx
Publication of NL183763B publication Critical patent/NL183763B/xx
Application granted granted Critical
Publication of NL183763C publication Critical patent/NL183763C/xx

Links

Classifications

    • 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
    • C07J5/0046Normal 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 substituted in position 17 alfa
    • C07J5/0061Normal 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 substituted in position 17 alfa substituted in position 16
    • C07J5/0092Normal 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 substituted in position 17 alfa substituted in position 16 by an OH group free esterified or etherified
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J71/00Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring
    • C07J71/0005Oxygen-containing hetero ring
    • C07J71/0026Oxygen-containing hetero ring cyclic ketals
    • C07J71/0031Oxygen-containing hetero ring cyclic ketals at positions 16, 17
NLAANVRAGE7317656,A 1972-12-22 1973-12-22 Werkwijze ter bereiding of vervaardiging van een geneesmiddel met ontstekings-remmende werking, en werkwijze ter bereiding van 3,20-dioxo-4-pregneenverbindingen. NL183763C (nl)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19722264003 DE2264003C2 (ja) 1972-12-22 1972-12-22
DE19732360444 DE2360444A1 (de) 1973-11-30 1973-11-30 Neue pregnansaeure-derivate
US42670273 US3919421A (en) 1972-12-22 1973-12-20 Pregnanoic acid derivatives and process for the preparation thereof

Publications (3)

Publication Number Publication Date
NL7317656A true NL7317656A (ja) 1974-06-25
NL183763B NL183763B (nl) 1988-08-16
NL183763C NL183763C (nl) 1989-01-16

Family

ID=27184930

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7317656,A NL183763C (nl) 1972-12-22 1973-12-22 Werkwijze ter bereiding of vervaardiging van een geneesmiddel met ontstekings-remmende werking, en werkwijze ter bereiding van 3,20-dioxo-4-pregneenverbindingen.

Country Status (2)

Country Link
US (1) US3919421A (ja)
NL (1) NL183763C (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4160772A (en) * 1978-06-26 1979-07-10 E. R. Squibb & Sons, Inc. Steroidal[16α,17-d]cyclohexene-21-carboxylic acid esters
US4164504A (en) * 1978-06-26 1979-08-14 E. R. Squibb & Sons, Inc. Steroidal[16α,17-b]naphthaleno-21-carboxylic acid esters
US4257969A (en) * 1980-01-23 1981-03-24 E. R. Squibb & Sons, Inc. 16,17-Dihydroxypregnene-21-carboxylic acids and derivatives
US5215979A (en) * 1985-12-19 1993-06-01 Aktiebolaget Draco 16,17-acetalsubstituted pregnane 21-oic acid derivatives

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3833563A (en) * 1971-10-04 1974-09-03 Schering Ag Novel pregnanoic acid derivatives
DE2260303C2 (ja) * 1972-12-06 1983-12-15 Schering Ag, 1000 Berlin Und 4709 Bergkamen, De

Also Published As

Publication number Publication date
US3919421A (en) 1975-11-11
NL183763B (nl) 1988-08-16
NL183763C (nl) 1989-01-16

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
BK Erratum

Free format text: CORRECTION TO PAMPHLET

V1 Lapsed because of non-payment of the annual fee