DK80827C - Process for the preparation of Δ <20.23> steroids. - Google Patents

Process for the preparation of Δ <20.23> steroids.

Info

Publication number: DK80827C
Authority: DK; Denmark
Prior art keywords: steroids; preparation
Prior art date: 1949-08-26

Application number

DK181153A

Other languages

Danish (da)

Original Assignee

Ciba Geigy

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.)

1949-08-26

Filing date

1950-08-02

Publication date

1956-04-09

1950-08-02 Application filed by Ciba Geigy filed Critical Ciba Geigy

1956-04-09 Application granted granted Critical

1956-04-09 Publication of DK80827C publication Critical patent/DK80827C/en

Links

DK181153A 1949-08-26 1950-08-02 Process for the preparation of Δ <20.23> steroids. DK80827C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH80827X		1949-08-26

Publications (1)

Publication Number	Publication Date
DK80827C true DK80827C (en)	1956-04-09

Family

ID=4334869

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK181153A DK80827C (en)	1949-08-26	1950-08-02	Process for the preparation of Δ <20.23> steroids.

Country Status (1)

Country	Link
DK (1)	DK80827C (en)

1950
- 1950-08-02 DK DK181153A patent/DK80827C/en active

Similar Documents

Publication	Publication Date	Title
DK80827C (en)	1956-04-09	Process for the preparation of Δ <20.23> steroids.
DK78300C (en)	1954-10-25	Process for the preparation of Δ <4> -17α-methyl-3,20-dioxo-pregnene compounds.
DK78131C (en)	1954-09-20	Process for the preparation of 4,7-phenanthrolines.
DK78062C (en)	1954-09-06	Process for the preparation of 4,7-phenanthrolines.
DK79068C (en)	1955-04-04	Process for the preparation of 4,6-pyrimidinedione derivatives.
DK79628C (en)	1955-08-01	Process for the preparation of 4,6-pyrimidinedione derivatives.
DK81352C (en)	1956-07-16	Process for the preparation of Δ <4> -3,20-diketo-11,17-dihydroxy-21-acyloxy-pregnene.
DK81599C (en)	1956-12-10	Process for the preparation of 21-esters of Δ <4> -3,20-diketo-21-oxy-pregnanes.
DK78168C (en)	1954-09-27	Process for the preparation of 1-p-nitrophenyl-1,3-dihydroxy-2-dichloroacetamidopropane.
DK82437C (en)	1956-12-03	Process for the preparation of 2,6-diiododiphenyl ethers.
DK75303C (en)	1953-01-19	Process for the preparation of 1-benzyl-1,2,3,4,5,6,7,8-octahydroisoquinoline.
DK73382C (en)	1951-11-19	Process for the preparation of α-halogen-γ-butyrolactones.
DK73934C (en)	1952-03-24	Process for the preparation of 4-halo-butanol-1.
DK78496C (en)	1954-11-29	Process for the preparation of 20-acyloxy-pregnanes.
DK78842C (en)	1955-02-14	Process for the preparation of N-dialkylaminoalkylphentiazines.
DK80589C (en)	1956-02-27	Process for the preparation of N-monomethylpiperazine.
DK80898C (en)	1956-04-30	Process for the preparation of dichloromethyloxazolines.
DK81804C (en)	1957-01-21	Process for the preparation of isoindolenine derivatives.
DK86989C (en)	1959-03-09	Process for the preparation of isoindolenine derivatives.
DK78872C (en)	1955-02-21	Process for the preparation of Δ <20.23> -21-bromo-coladienes.
DK75395C (en)	1953-02-09	Process for the preparation of 1-benzyl-5,6,7,8-tetrahydroisoquinolone- (3).
DK77129C (en)	1954-02-22	Process for the preparation of addition compounds.
DK75997C (en)	1953-06-22	Process for the preparation of Δ <1> and Δ <1,4> -3-ketosteroids.
DK75245C (en)	1953-01-05	Process for the preparation of N <4> - (di-n-propoxymethyl) -2-sulfanilamido-pyrimidine.
DK77486C (en)	1954-05-03	Process for the preparation of threo-2-dichloromethyl-4-chloromethyl-5-p-nitrophenyl-Δ <2> -oxazolines.