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ES8608534A1 - Procedimiento para la fabricacion de etoposido. - Google Patents

Procedimiento para la fabricacion de etoposido.

Info

Publication number
ES8608534A1
ES8608534A1 ES544985A ES544985A ES8608534A1 ES 8608534 A1 ES8608534 A1 ES 8608534A1 ES 544985 A ES544985 A ES 544985A ES 544985 A ES544985 A ES 544985A ES 8608534 A1 ES8608534 A1 ES 8608534A1
Authority
ES
Spain
Prior art keywords
etoposide
new
haloacetyl
ester
haloacetyl ester
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES544985A
Other languages
English (en)
Other versions
ES544985A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Kayaku Co Ltd
Original Assignee
Nippon Kayaku Co Ltd
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 Nippon Kayaku Co Ltd filed Critical Nippon Kayaku Co Ltd
Priority to ES544985A priority Critical patent/ES8608534A1/es
Publication of ES8608534A1 publication Critical patent/ES8608534A1/es
Publication of ES544985A0 publication Critical patent/ES544985A0/es
Expired legal-status Critical Current

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Abstract

PROCEDIMIENTO DE PREPARACION DE ETOPOSIDOS CON BAJO CONTENIDO DE IMPUREZAS. SE PREPARAN ETOPOSIDOS DE FORMULA (I), HACIENDO REACCIONAR UN 4K-HALOGENOACETIL-4K-DESMETIL-EPIPODOFILOTOXIN-B-D-2,3-DI-0-HALOGENOACETIL-4,6-0-ETILIDESGLUCOSIDO DE FORMULA GENERAL (II), EN LA QUE R1 Y R2, QUE PUEDEN SER IGUALES O DIFERENTES, REPRESENTAN CADA UNO DE ELLOS -COCHX2 O -COCX3, SIENDO X2 Y X3 ATOMOS DE HALOGENO, CON UN ALCOHOL, UNA AMINA Y/O AMONIACO, PARA ELIMINAR R1 Y R2 SIMULTANEAMENTE Y OBTENER EL ETOPOSIDO EN UNA FORMA FACILMENTE PURIFICABLE Y CON UN BUEN RENDIMIENTO. LA REACCION TERMINA EN POCO TIEMPO A LA TEMPERATURA AMBIENTE Y EL ETOPOSIDO SE RECUPERA POR SIMPLE CONCENTRACION DE LA SOLUCION DE REACCION, LO QUE SUPONE LA POSIBILIDAD DE UTILIZACION INDUSTRIAL.
ES544985A 1985-07-09 1985-07-09 Procedimiento para la fabricacion de etoposido. Expired ES8608534A1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES544985A ES8608534A1 (es) 1985-07-09 1985-07-09 Procedimiento para la fabricacion de etoposido.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES544985A ES8608534A1 (es) 1985-07-09 1985-07-09 Procedimiento para la fabricacion de etoposido.

Publications (2)

Publication Number Publication Date
ES8608534A1 true ES8608534A1 (es) 1986-07-16
ES544985A0 ES544985A0 (es) 1986-07-16

Family

ID=8489488

Family Applications (1)

Application Number Title Priority Date Filing Date
ES544985A Expired ES8608534A1 (es) 1985-07-09 1985-07-09 Procedimiento para la fabricacion de etoposido.

Country Status (1)

Country Link
ES (1) ES8608534A1 (es)

Also Published As

Publication number Publication date
ES544985A0 (es) 1986-07-16

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20060411