ECSP003704A - PROCEDURE FOR THE PREPARATION OF PIRAZOLO COMPOUNDS [4,3-D] PIRIMIDIN-7-ONAS-3-PIRIDILSULFONILO AND INTERMEDIATES OF THE SAME - Google Patents

PROCEDURE FOR THE PREPARATION OF PIRAZOLO COMPOUNDS [4,3-D] PIRIMIDIN-7-ONAS-3-PIRIDILSULFONILO AND INTERMEDIATES OF THE SAME

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Publication number
ECSP003704A
ECSP003704A ECSP003704A ECSP003704A EC SP003704 A ECSP003704 A EC SP003704A EC SP003704 A ECSP003704 A EC SP003704A EC SP003704 A ECSP003704 A EC SP003704A
Authority
EC
Ecuador
Prior art keywords
compounds
preparation
piridilsulfonilo
pirazolo
pirimidin
Prior art date
Application number
Other languages
Spanish (es)
Inventor
Keith M Devries
Albert Shaw Wood
Philip Charles Levett
Joanna Teresa Negri
Original Assignee
Pfizer
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 Pfizer filed Critical Pfizer
Publication of ECSP003704A publication Critical patent/ECSP003704A/en

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  • Nitrogen Condensed Heterocyclic Rings (AREA)

Abstract

Se proporciona un procedimiento para la preparación de 10s compuestos de fórmula (I) de este documento, que comprende la reacción de un compuesto de fórmula (II), (III) o (IV) en presencia de OR y un agente de captura o hidroxido o, en el caso de compuestos de fórmula (IV), la reacción en presencia de una base auxiliar y un agente de captura de hidroxido (es decir, OR se sustituye para la base auxiliar), siendo X un grupo saliente y siendo R1 a R4 como se han definido.A process for the preparation of the compounds of formula (I) of this document is provided, which comprises the reaction of a compound of formula (II), (III) or (IV) in the presence of OR and a capture agent or hydroxide or, in the case of compounds of formula (IV), the reaction in the presence of an auxiliary base and a hydroxide capture agent (ie, OR is substituted for the auxiliary base), with X being a leaving group and R1 being a R4 as defined.

ECSP003704 1999-10-11 2000-10-10 PROCEDURE FOR THE PREPARATION OF PIRAZOLO COMPOUNDS [4,3-D] PIRIMIDIN-7-ONAS-3-PIRIDILSULFONILO AND INTERMEDIATES OF THE SAME ECSP003704A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9924042.6A GB9924042D0 (en) 1999-10-11 1999-10-11 Process for thr preparation of pyrazolo[4,3-D]pyrimidin-7-ones-3-pyridylsulphonyl compounds and intermediates thereof

Publications (1)

Publication Number Publication Date
ECSP003704A true ECSP003704A (en) 2002-05-23

Family

ID=10862533

Family Applications (1)

Application Number Title Priority Date Filing Date
ECSP003704 ECSP003704A (en) 1999-10-11 2000-10-10 PROCEDURE FOR THE PREPARATION OF PIRAZOLO COMPOUNDS [4,3-D] PIRIMIDIN-7-ONAS-3-PIRIDILSULFONILO AND INTERMEDIATES OF THE SAME

Country Status (3)

Country Link
EC (1) ECSP003704A (en)
GB (1) GB9924042D0 (en)
ZA (1) ZA200005581B (en)

Also Published As

Publication number Publication date
ZA200005581B (en) 2002-04-11
GB9924042D0 (en) 1999-12-15

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