申请人:Leitao Emilia Perpetua Tavares
公开号:US20130274460A1
公开(公告)日:2013-10-17
The invention provides electrophilic monohalomethylating reagents, methods for their preparation and methods for preparation of monohalomethylated biologically active compounds using such reagents. Typical monohalomethyl groups transferred are FH2C—, CIH2C— and others. The reagents used for transferal of the groups are described by Formulae A-D: wherein: X═F, CI, Br, I, sulfonate esters, phosphate esters or another leaving group; R11=tetrafluoroborates, inflates, halogen, perchlorate, sulfates, phosphates or carbonates The other variables are as defined in the claims.
本发明提供了亲电性单卤甲基化试剂,其制备方法以及使用这些试剂制备单卤甲基化生物活性化合物的方法。典型的单卤甲基基团转移包括FH2C—,CIH2C—等。用于转移基团的试剂由式A-D描述:其中:X═F,CI,Br,I,磺酸酯,磷酸酯或另一离去基团;R11=四氟硼酸盐,充气剂,卤素,高氯酸盐,硫酸盐,磷酸盐或碳酸盐。其他变量如权利要求书所定义。