US 8,217,169 B2 · Coupling agents for peptide synthesis

Abstract

The present invention is directed to compounds of the formula: or salts thereof or N-oxides and their use in peptide synthesis.

Dependent claims

A salt consisting of an anion and cation, wherein the cation of the salt is selected from:

Dependencies are inferred from the claim text.

Facts

Application

12/901,956Filed 11 Oct 2010 · division

Priority

31 Oct 2003

Published

US 2011/0028720 A13 Feb 2011

Granted

10 Jul 2012

Term ends

Not estimatedThe source records don’t support an estimate.

C07F 9/6561
Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom: containing systems of two or more relevant hetero rings condensed among…
C07D 471/04
In which the condensed system contains two hetero rings: ortho-condensed systems
C07F 9/65188
Five-membered rings: condensed with carbocyclic rings or carbocyclic ring systems
C07F 9/65218
Six-membered rings: condensed with carbocyclic rings or carbocyclic ring systems

Family

Application60/516,167Us provisional application · filed 31 Oct 2003

PCT/US2004/036428Parent of this division · filed 1 Nov 2004

US 2011/0028720 A1Pre-grant publication · published 3 Feb 2011

Application10/577,352Parent of this division

US 7,812,158 B2Parent of this division

US 2007/0112196 A1Published application

US 8,217,169 B2This patent

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