ECSP972142A - PROCEDURE FOR THE PREPARATION OF SILDENAFIL - Google Patents

PROCEDURE FOR THE PREPARATION OF SILDENAFIL

Info

Publication number
ECSP972142A
ECSP972142A ECSP972142A ECSP972142A EC SP972142 A ECSP972142 A EC SP972142A EC SP972142 A ECSP972142 A EC SP972142A EC SP972142 A ECSP972142 A EC SP972142A
Authority
EC
Ecuador
Prior art keywords
preparation
sildenafil
procedure
graph
compound
Prior art date
Application number
Other languages
Spanish (es)
Inventor
Peter James Dunn
Albert Shaw Wood
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 ECSP972142 priority Critical patent/ECSP972142A/en
Publication of ECSP972142A publication Critical patent/ECSP972142A/en

Links

Landscapes

  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

El invento consiste en: un procedimiento para la preparación de un compuesto de la fórmula I (gráfico), que comprende la ciclación de un compuesto de fórmula II:(gráfico).The invention consists of: a process for the preparation of a compound of formula I (graph), which comprises the cyclization of a compound of formula II: (graph).

ECSP972142 1997-06-04 1997-06-04 PROCEDURE FOR THE PREPARATION OF SILDENAFIL ECSP972142A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ECSP972142 ECSP972142A (en) 1997-06-04 1997-06-04 PROCEDURE FOR THE PREPARATION OF SILDENAFIL

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ECSP972142 ECSP972142A (en) 1997-06-04 1997-06-04 PROCEDURE FOR THE PREPARATION OF SILDENAFIL

Publications (1)

Publication Number Publication Date
ECSP972142A true ECSP972142A (en) 1998-04-24

Family

ID=42042973

Family Applications (1)

Application Number Title Priority Date Filing Date
ECSP972142 ECSP972142A (en) 1997-06-04 1997-06-04 PROCEDURE FOR THE PREPARATION OF SILDENAFIL

Country Status (1)

Country Link
EC (1) ECSP972142A (en)

Similar Documents

Publication Publication Date Title
ES2134051T3 (en) PROCEDURE FOR THE PREPARATION OF SILDENAFIL.
ECSP034600A (en) LACTAMA COMPOUNDS
CY1111759T1 (en) INTERMEDIATE COMPOUNDS FOR PREPARATION OF SPECIFIED TRIAZOLOPYRIMIDES AS P2T COMPONENTS
MY126559A (en) Fungicidal 2-methoxybenzophenones
GB0124627D0 (en) Novel compounds
SG77195A1 (en) Fungicidal 2-methoxybenzophenones
BR9804214A (en) Compounds.
NL1002835A1 (en) Synergistic stabilizer mixture.
EA199900373A2 (en) PHARMACEUTICAL COMPOSITIONS
MXPA04003886A (en) Thiopene- amd thiazolesulfonamides as antineoplastic agents.
SV1999000060A (en) PROCEDURE FOR THE PREPARATION OF (S, S) -BENCIL-2,8-DIAZABICICLO 4.3.0 NONANO REF. 32965-SV
SV2003000981A (en) PHENYL-HETEROCICLIL-ETERES REF. PCS10973
BR9902084A (en) Heterocycles.
PT1347984E (en) PROCESS FOR THE PREPARATION OF TAX DERIVATIVES
ES2185196T3 (en) A PROCEDURE FOR THE PREPARATION OF TETRAAZAMACROCICLOS.
CO4920247A1 (en) PROCEDURE FOR THE SYNTHESIS OF BENZOTHIOPHENES
UY26574A1 (en) "PROCEDURE FOR THE ENZYMATIC SEPARATION OF RACEMATES OF AMINOMETIL-ARYL-CYCLOHEXANOL DERIVATIVES".
ES2177877T3 (en) PROCEDURE FOR THE MANUFACTURE OF 1,4-BIS (AMINOMETIL) CYCLHEXAN.
ECSP972142A (en) PROCEDURE FOR THE PREPARATION OF SILDENAFIL
ES2166045T3 (en) PROCEDURE FOR THE PREPARATION OF 4,6-BIS COMPOUNDS (ARILOXI) ASYMMETRIC PYRIMIDINE.
AU2001260419A1 (en) Use of n,n'-dibenzyl ethylene diamine n,n'-diacetic acid derivatives as anti-pollution agent
ES2185350T3 (en) SYNTHESIS OF MORFINA-6-GLUCURONIDO.
SV2002000088A (en) PROCESS FOR PREPARATION OF DERIVATIVES 10, 11-METANOBENZOSUBERANO REF. X-11302
WO2004050716A3 (en) Preparation of metallotexaphyrins
ECSP003511A (en) PROCEDURE TO PREPARE DERIVATIVES OF 10,11-METANOBENZOSUBERAN