| 摘要 |
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.
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