申请人:Bonaccorsi Fabrizio
公开号:US08431684B2
公开(公告)日:2013-04-30
This invention relates to a novel process for synthesizing the product ibodutant shown in the figure below, consisting of a small number of high-yield steps involving reagents and solvents with low environmental impact, characterized by the coupling of two portions, compounds (3) and (4), one of which (3) is synthesized by coupling of 6-methyl-2-benzo[b]thiophenecarboxylic acid (1) with 1-amino-alpha-alpha-cyclopentan carboxylic acid and subsequent cyclization with oxazolone, while the other, compound (4), is obtained from suitable highly selective functionalizations of 4-aminomethylpiperidine (2).
这项发明涉及一种用于合成下图所示的产品ibodutant的新型工艺,包括少量高产率步骤,涉及具有低环境影响的试剂和溶剂,其特点是将两部分化合物(3)和(4)耦合在一起,其中一个(3)是通过将6-甲基-2-苯并[b]噻吩羧酸(1)与1-氨基-α-α-环戊烷羧酸偶联并随后与噁唑酮环化合成的,而另一个化合物(4)则是通过对4-氨甲基哌啶(2)进行适当高选择性的官能化获得的。