GT199900223A - PIRAZOLO (4,3-D) PIRIMIDIN-7-ONAS AND ITS INTERMEDIARIES. - Google Patents

PIRAZOLO (4,3-D) PIRIMIDIN-7-ONAS AND ITS INTERMEDIARIES.

Info

Publication number
GT199900223A
GT199900223A GT199900223A GT199900223A GT199900223A GT 199900223 A GT199900223 A GT 199900223A GT 199900223 A GT199900223 A GT 199900223A GT 199900223 A GT199900223 A GT 199900223A GT 199900223 A GT199900223 A GT 199900223A
Authority
GT
Guatemala
Prior art keywords
intermediaries
pirazolo
pirimidin
onas
preparation
Prior art date
Application number
GT199900223A
Other languages
Spanish (es)
Inventor
Peter James Dunn
Philip Charles Levett
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 filed Critical
Priority to GT199900223A priority Critical patent/GT199900223A/en
Publication of GT199900223A publication Critical patent/GT199900223A/en

Links

Abstract

ESTA INVENCION SE REFIERE A UN PROCEDIMIENTO PARA LA PREPARACION DE 1[[3(6,7DIHIDRO1METIL7OXO3PROPIL1HPIRAZOLO[4,3D]PIRIMIDIN5IL)4ETOXIFENIL]SULFONIL4METILPIPERAZINA (CONOCIDO COMO SILDENAFILO VIAGRA (TM)) Y 1ETIL4{3[ETIL6,7DIHIDRO7OXO2(2PIRIDILMETIL)2HPIRAZOLO[4,3D]PIRIMIDIN5IL]4PROPOXIFENILSULFONIL}PIPERAZINA Y LOS INTERMEDIARIOS CLAVES PARA SU PREPARACION.THIS INVENTION REFERS TO A PROCEDURE FOR THE PREPARATION OF 1 [[3 (6,7DIHIDRO1METIL7OXO3PROPIL1HPIRAZOLO [4,3D] PIRIMIDIN5IL) 4ETOXIFENIL] SULFONIL4methylPIPERAZINA (KNOWN AS SILDENAFYLIDHYLOPHYL2HYL) (2) [4,3D] PIRIMIDIN5IL] 4PROPOXIFENILSULFONIL} PIPERAZINE AND KEY INTERMEDIARIES FOR PREPARATION.

GT199900223A 1999-12-23 1999-12-23 PIRAZOLO (4,3-D) PIRIMIDIN-7-ONAS AND ITS INTERMEDIARIES. GT199900223A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GT199900223A GT199900223A (en) 1999-12-23 1999-12-23 PIRAZOLO (4,3-D) PIRIMIDIN-7-ONAS AND ITS INTERMEDIARIES.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GT199900223A GT199900223A (en) 1999-12-23 1999-12-23 PIRAZOLO (4,3-D) PIRIMIDIN-7-ONAS AND ITS INTERMEDIARIES.

Publications (1)

Publication Number Publication Date
GT199900223A true GT199900223A (en) 2001-06-15

Family

ID=40458494

Family Applications (1)

Application Number Title Priority Date Filing Date
GT199900223A GT199900223A (en) 1999-12-23 1999-12-23 PIRAZOLO (4,3-D) PIRIMIDIN-7-ONAS AND ITS INTERMEDIARIES.

Country Status (1)

Country Link
GT (1) GT199900223A (en)

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