US 4,900,836 A · (3-amino-1H-pyrazol-4-yl) (aryl)methanones

Abstract

(3-Amino-1H-pyrazol-4-yl)(aryl)methanones which are new compounds having utility as intermediates for the preparation of aryl and heteroaryl[7-(aryl and heteroaryl)pyrazolo[1,5-a]pyrimidin-3-yl]methanones, which are therapeutic agents.

Claims1

Dependent claims

A compound selected from the group consisting of ( 3-amino-1H-pyrazol-4-yl)(2-furanyl)methanone, (3-amino-1H-pyrazol-4-yl)(4-pyridinyl)methanone, (3-amino-1H-pyrazol-4-yl)(2-thienyl)methanone, (3-amino-1H-pyrazol-4-yl)(2-pyridinyl)methanone, and (3-amino-1H-pyrazol-4-yl)(3-furanyl)methanone.

Dependencies are inferred from the claim text.

Facts

Application

06/612,811Filed 24 May 1984 · continuation in part

Priority

23 Jun 1983

Granted

13 Feb 1990

Term ends

Not estimatedThe source records don’t support an estimate.

Classification11 codes

C07D 231/38
With hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals,…:…
C07C 255/00
Carboxylic acid nitriles
C07D 213/57
Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals: nitriles
C07D 307/54
With substituted hydrocarbon radicals attached to ring carbon atoms: radicals substituted by carbon atoms having three bonds to hetero atoms with…

(3-amino-1H-pyrazol-4-yl) (aryl)methanones

Life of this patent

Abstract

Claims1

(3-amino-1H-pyrazol-4-yl) (aryl)methanones

Life of this patent

Abstract

Claims1