US 6,441,181 B1 · Compound and process for producing β-adrenergic receptor agonist

Abstract

A process is provided for preparing a compound of the formula: using a compound having the formula wherein R2 and R3 are independently C1-C3 alkyl or phenyl.

Claims1

Dependent claims

A compound having the formula

wherein R2 and R3 are independently C1-C3 alkyl or phenyl.

Dependencies are inferred from the claim text.

Facts

Application

09/912,016Filed 24 Jul 2001 · division

Priority

23 Jul 1999

Published

US 2002/0045757 A118 Apr 2002

Granted

27 Aug 2002

Term ends

Not estimatedThe source records don’t support an estimate.

Classification4 codes

C07D 213/73
Nitrogen atoms: unsubstituted amino or imino radicals
C07D 401/04
Containing two hetero rings: directly linked by a ring-member-to-ring-member bond
C07D 405/14
Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having…:…
C07D
Heterocyclic compounds

Family

Application60/145,417Us provisional application · filed 23 Jul 1999

Application09/620,042Parent of this division · filed 20 Jul 2000

US 6,297,382 B1Parent of this division

US 2002/0045757 A1Published application

US 6,441,181 B1This patent

From the US filing history. Foreign family members aren’t listed.

Abstract

A process is provided for preparing a compound of the formula: using a compound having the formula wherein R2 and R3 are independently C1-C3 alkyl or phenyl.

Compound and process for producing β-adrenergic receptor agonist

Life of this patent

Abstract

Claims1

Compound and process for producing β-adrenergic receptor agonist

Life of this patent

Abstract

Claims1