申请人:Bonaccorsi Fabrizio
公开号:US20120065370A1
公开(公告)日:2012-03-15
This invention relates to a novel process for synthesising 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, characterised by the coupling of two portions, compounds (3) and (4), one of which (3) is synthesised 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 functionalisations of 4-aminomethylpiperidine (2)
这项发明涉及一种新颖的合成ibodutant产品的过程,如下图所示,包括少量高产率步骤,涉及具有低环境影响的试剂和溶剂,其特征在于耦合两个部分,化合物(3)和(4),其中一个(3)是通过6-甲基-2-苯并[b]噻吩羧酸(1)与1-氨基-α-α-环戊烷羧酸的偶联以及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得到的。