[EN] PROCESS FOR THE CYCLOADDITION OF A HETERO(ARYL) 1,3-DIPOLE COMPOUND WITH A (HETERO)CYCLOALKYNE<br/>[FR] PROCÉDÉ DE CYCLOADDITION D'UN COMPOSÉ HÉTÉRO(ARYL) 1,3-DIPOLE AVEC UN (HÉTÉRO)CYCLOALKYNE
申请人:STICHTING KATHOLIEKE UNIV
公开号:WO2015112014A1
公开(公告)日:2015-07-30
The present invention relates to a process comprising the step of reacting a (hetero)aryl 1,3-dipole compound with a (hetero)cycloalkyne, wherein: a (hetero)aryl 1,3-dipole compound is defined as a compound comprising a 1,3-dipole functional group, wherein the 1,3-dipole functional group is bonded to a (hetero)aryl group, and wherein the (hetero)aryl 1,3-dipole compound is a (hetero)aryl azide or a (hetero)aryl diazo compound; wherein: (i) the (hetero)aryl group of the (hetero)aryl 1,3-dipole compound comprises one or more substituents having a positive value for the para-Hammett substituent constant σp and/or the meta-Hammett substituent constant σm, and/or (ii) the (hetero)aryl group of the (hetero)aryl 1,3-dipole compound is an electron-poor (hetero)aryl group, wherein an electron-poor (hetero)aryl group is: (ii-a) a (hetero)aryl group wherein the (hetero)aromatic ring system is bearing a positive charge, and/or (ii-b) a (hetero)aryl group wherein the ratio number of π-electrons present in the (hetero)aromatic ring system} : number of protons present in the nuclei of the (hetero)aromatic ring system} is lower than 0.167 for a 6-membered ring, or lower than 0.200 for a 5-membered ring; and wherein the (hetero)cycloalkyne is a (hetero)cyclooctyne or a (hetero)cyclononyne according to Formula (1): The invention also relates to the products obtainable by the process according to the invention.
本发明涉及一种包括以下步骤的过程:将(杂)芳基1,3-二极化合物与(杂)环戊炔发生反应,其中:(杂)芳基1,3-二极化合物被定义为包含1,3-二极功能基团的化合物,其中1,3-二极功能基团与(杂)芳基团结合,而(杂)芳基1,3-二极化合物是(杂)芳基叠氮化物或(杂)芳基重氮化合物;其中:(i)(杂)芳基1,3-二极化合物的(杂)芳基团包括一个或多个对位Hammett取代常数σp和/或间位Hammett取代常数σm的正值取代基,和/或(ii)(杂)芳基1,3-二极化合物的(杂)芳基团是一个电子贫穷的(杂)芳基团,其中电子贫穷的(杂)芳基团是:(ii-a)一个(杂)芳基团,其中(杂)芳香环系统带有正电荷,和/或(ii-b)一个(杂)芳基团,其中比例(杂)芳香环系统中存在的π电子数}:(杂)芳香环系统中核内质子数}对于6元环小于0.167,或对于5元环小于0.200;其中(杂)环戊炔是根据式(1)的(杂)环辛炔或(杂)环壬炔;该发明还涉及根据该发明的过程获得的产品。