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Preparation Of N1 (2' Pyridyl) 1,2 Propanediamine Sulfamic Acid And Its Use In The Synthesis Of Biologically Active Piperazines

A process for making an N1-(2’-pyridyl)-1,2-alkanediamine sulfamic acid of formula (II) by reacting a compound of formula (I) with NH2R’, wherein R and R’ are as defined in the specification. The invention also includes the compound of formula (II), and optical isomers thereof. The compound of formula (II) is an intermediate useful for making chiral piperazine derivatives which are active at the 5-HT1A receptor. (FIG. NIL).

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
10 September 2004
Publication Number
21/2006
Publication Type
Invention Field
CHEMICAL
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2008-05-21
Renewal Date

Applicants

WYETH
FIVE GIRALDA FARMS, MADISON, USA.

Inventors

1. CHAN ANITA WAI-YIN
1600, CENTER AVENUE, AP0ARTMENT 6D FORT LEE USA.
2. FEIGELSON GREG BRIAN
ONE INDEPENDENCE LANE USA.
3. ZELDIS JOPSEPH
195 LONG CLOVE ROAD NEW CITY USA.
4. JIRKOVSKY IVO
P.O.BOX 1209 WAITSFIELD USA.

Specification

Documents

Application Documents

# Name Date
1 1336-kolnp-2004-granted-specification.pdf 2011-10-07
2 1336-kolnp-2004-granted-reply to examination report.pdf 2011-10-07
3 1336-kolnp-2004-granted-letter patent.pdf 2011-10-07
4 1336-kolnp-2004-granted-gpa.pdf 2011-10-07
5 1336-kolnp-2004-granted-form 5.pdf 2011-10-07
6 1336-kolnp-2004-granted-form 3.pdf 2011-10-07
7 1336-kolnp-2004-granted-form 18.pdf 2011-10-07
8 1336-kolnp-2004-granted-form 13.pdf 2011-10-07
9 1336-kolnp-2004-granted-form 1.pdf 2011-10-07
10 1336-kolnp-2004-granted-examination report.pdf 2011-10-07
11 1336-kolnp-2004-granted-description (complete).pdf 2011-10-07
12 1336-kolnp-2004-granted-correspondence.pdf 2011-10-07
13 1336-kolnp-2004-granted-claims.pdf 2011-10-07
14 1336-kolnp-2004-granted-assignment.pdf 2011-10-07
15 1336-kolnp-2004-granted-abstract.pdf 2011-10-07

ERegister / Renewals

3rd: 14 Aug 2008

From 10/03/2005 - To 10/03/2006

4th: 14 Aug 2008

From 10/03/2006 - To 10/03/2007

5th: 14 Aug 2008

From 10/03/2007 - To 10/03/2008

6th: 14 Aug 2008

From 10/03/2008 - To 10/03/2009

7th: 12 Jan 2009

From 10/03/2009 - To 10/03/2010