DK312885A - PROCEDURE FOR PREPARING ETHOPOSIDE - Google Patents

PROCEDURE FOR PREPARING ETHOPOSIDE Download PDF

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Publication number
DK312885A
DK312885A DK312885A DK312885A DK312885A DK 312885 A DK312885 A DK 312885A DK 312885 A DK312885 A DK 312885A DK 312885 A DK312885 A DK 312885A DK 312885 A DK312885 A DK 312885A
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DK
Denmark
Prior art keywords
preparing
halogenoacetyl
ethoposide
procedure
etoposide
Prior art date
Application number
DK312885A
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Danish (da)
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DK154220B (en
DK154220C (en
DK312885D0 (en
Inventor
Tadashi Fujii
Yukio Chikui
Original Assignee
Nippon Kayaku Kk
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.)
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Publication date
Application filed by Nippon Kayaku Kk filed Critical Nippon Kayaku Kk
Priority to DK312885A priority Critical patent/DK154220C/en
Publication of DK312885D0 publication Critical patent/DK312885D0/en
Publication of DK312885A publication Critical patent/DK312885A/en
Publication of DK154220B publication Critical patent/DK154220B/en
Application granted granted Critical
Publication of DK154220C publication Critical patent/DK154220C/en

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Abstract

A process for preparing etoposide in which a 4'- halogenoacetyl-4'-demethylepipodophyllotoxin-β-D-2,3- di-O-halogenoacetyl-4,6-O-ethylidene glucoside of the general formula: <IMAGE> in which R1 and R2, which can be identical or different, each denote -COCHX2 or -COCX3, in which X denotes a halogen atom, with an alcohol, an amine and/or ammonia for removing the halogenoacetyl groups, can be carried out in one step and yields etoposide with only a very small content of impurities.
DK312885A 1985-07-09 1985-07-09 PROCEDURE FOR PREPARING ETHOPOSIDE DK154220C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK312885A DK154220C (en) 1985-07-09 1985-07-09 PROCEDURE FOR PREPARING ETHOPOSIDE

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK312885A DK154220C (en) 1985-07-09 1985-07-09 PROCEDURE FOR PREPARING ETHOPOSIDE
DK312885 1985-07-09

Publications (4)

Publication Number Publication Date
DK312885D0 DK312885D0 (en) 1985-07-09
DK312885A true DK312885A (en) 1987-01-10
DK154220B DK154220B (en) 1988-10-24
DK154220C DK154220C (en) 1989-03-13

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ID=8119428

Family Applications (1)

Application Number Title Priority Date Filing Date
DK312885A DK154220C (en) 1985-07-09 1985-07-09 PROCEDURE FOR PREPARING ETHOPOSIDE

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DK (1) DK154220C (en)

Also Published As

Publication number Publication date
DK154220B (en) 1988-10-24
DK154220C (en) 1989-03-13
DK312885D0 (en) 1985-07-09

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