申请人:NOVO NORDISK AS
公开号:WO2004041833A1
公开(公告)日:2004-05-21
The present invention relates to halo sulfonyl aryl boronates of the general formula (I): wherein Arylene designates a carbocyclic or heterocyclic, aromatic ring system comprising 1-3 rings; R1, R2 and R3 are, independently, hydrogen, C1-6alkyl, C1-6alkoxy, halogen, nitro, cyano or phenyl;X is fluoro, chloro or bromo; and Y is a boroxine moiety attached via a bond from Arylene to one of the boron atoms of a boroxine ring which ring has a group of the formula -Arylene(R1)(R2)(R3)SO2X, wherein Arylene, R1, R2, R3 and X are as defined above, at each of the other two boron atoms of the boroxine ring, or Y is a boronic acid group or a boronic ester group.The invention also relates to the preparation of the compounds of formula (I) and to their use in organic synthesis.
本发明涉及一般式(I)的卤磺酰基芳基硼酸酯,其中芳烃代表一个包含1-3个环的碳环或杂环芳香环系统;R1、R2和R3分别是氢、C1-6烷基、C1-6烷氧基、卤素、硝基、氰基或苯基;X是氟、氯或溴;Y是通过一种键连接到芳烃上的硼氧杂环部分,该硼氧杂环具有一个式为-Arylene(R1)(R2)(R3)SO2X的基团,其中Arylene、R1、R2、R3和X如上定义,在硼氧杂环的另外两个硼原子上,或Y是硼酸基团或硼酯基团。该发明还涉及一般式(I)化合物的制备以及它们在有机合成中的应用。