PREPARATION OF N1-(2'-PYRIDYL)-1,2-PROPANEDIAMINE SULFAMIC ACID AND ITS USE IN THE SYNTHESIS OF BIOLOGICALLY ACTIVE PIPERAZINES
申请人:Wyeth
公开号:EP1483243B1
公开(公告)日:2007-04-18
US7361773B2
申请人:——
公开号:US7361773B2
公开(公告)日:2008-04-22
Preparation of N1-(2'-pyridyl)-1,2-propanediamine sulfamic acid and its use in the synthesis of biologically active piperazines
申请人:Wyeth
公开号:US20030204087A1
公开(公告)日:2003-10-30
A process for making an N1-(2′-pyridyl)-1,2-alkanediamine sulfamic acid of formula II by reacting a compound of formula I with NH
2
R′
1
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-HT
1A
receptor.