AP2000001960A0 - Process for the preparation of pyrazole(4,3-d)pyrimidin-7-ones-3-pyridylsulphonyl compounds and intermediates thereof. - Google Patents

Process for the preparation of pyrazole(4,3-d)pyrimidin-7-ones-3-pyridylsulphonyl compounds and intermediates thereof.

Info

Publication number
AP2000001960A0
AP2000001960A0 APAP/P/2000/001960A AP2000001960A AP2000001960A0 AP 2000001960 A0 AP2000001960 A0 AP 2000001960A0 AP 2000001960 A AP2000001960 A AP 2000001960A AP 2000001960 A0 AP2000001960 A0 AP 2000001960A0
Authority
AP
ARIPO
Prior art keywords
compounds
preparation
pyridylsulphonyl
pyrimidin
pyrazole
Prior art date
Application number
APAP/P/2000/001960A
Inventor
Keith Michael Devries
Philip Charles Levett
Joana Teresa Negri
Albert Shaw Wood
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 AP2000001960A0 publication Critical patent/AP2000001960A0/en

Links

Abstract

A process is provided for the preparation of compounds of formula (i)herein comprising reacting a compound of formula (ii), (iii)or (iv)in the presence of or and a hydroxide trapping agent or in the case of compounds of formula (iv)reacting in the presence of an auxiliary base and a hydroxide trapping agent (i.E. or is substituted by the auxiliary base), wherein x is a leaving group or r1 and r4 are as defined above.
APAP/P/2000/001960A 2000-07-28 2000-10-05 Process for the preparation of pyrazole(4,3-d)pyrimidin-7-ones-3-pyridylsulphonyl compounds and intermediates thereof. AP2000001960A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0018667A GB0018667D0 (en) 2000-07-28 2000-07-28 Process for the preparation of pyrazolo [4,3-d] Pyrimidin-7-ones-3-pyridylsulphonyl compounds and intermediates thereof

Publications (1)

Publication Number Publication Date
AP2000001960A0 true AP2000001960A0 (en) 2000-12-31

Family

ID=9896619

Family Applications (1)

Application Number Title Priority Date Filing Date
APAP/P/2000/001960A AP2000001960A0 (en) 2000-07-28 2000-10-05 Process for the preparation of pyrazole(4,3-d)pyrimidin-7-ones-3-pyridylsulphonyl compounds and intermediates thereof.

Country Status (3)

Country Link
AP (1) AP2000001960A0 (en)
GB (1) GB0018667D0 (en)
HU (1) HU0003960D0 (en)

Also Published As

Publication number Publication date
GB0018667D0 (en) 2000-09-13
HU0003960D0 (en) 2000-12-28

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