Title of Invention

"PREPARATION OF N1-(2'-PYRIDYL) -1,2-PROPANEDIAMINE SULFAMIC ACID AND ITS USE IN THE SYNTHESIS OF BIOLOGICALLY ACTIVE PIPERAZINES"

Abstract 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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Documents:

1336-kolnp-2004-granted-abstract.pdf

1336-kolnp-2004-granted-assignment.pdf

1336-kolnp-2004-granted-claims.pdf

1336-kolnp-2004-granted-correspondence.pdf

1336-kolnp-2004-granted-description (complete).pdf

1336-kolnp-2004-granted-examination report.pdf

1336-kolnp-2004-granted-form 1.pdf

1336-kolnp-2004-granted-form 13.pdf

1336-kolnp-2004-granted-form 18.pdf

1336-kolnp-2004-granted-form 3.pdf

1336-kolnp-2004-granted-form 5.pdf

1336-kolnp-2004-granted-gpa.pdf

1336-kolnp-2004-granted-letter patent.pdf

1336-kolnp-2004-granted-reply to examination report.pdf

1336-kolnp-2004-granted-specification.pdf


Patent Number 220267
Indian Patent Application Number 01336/KOLNP/2004
PG Journal Number 21/2008
Publication Date 23-May-2008
Grant Date 21-May-2008
Date of Filing 10-Sep-2004
Name of Patentee WYETH
Applicant Address FIVE GIRALDA FARMS, MADISON, USA.
Inventors:
# Inventor's Name Inventor's Address
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.
PCT International Classification Number C07D213/76
PCT International Application Number PCT/US2003/007228
PCT International Filing date 2003-03-10
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 60/363,457 2002-03-12 U.S.A.