5619-02-3Relevant articles and documents
Active esters used for production of esters or amides and process for producing esters or amides
-
, (2008/06/13)
This invention is characterized by synthesizing an active ester represented by the general formula STR1 using an active esterifying agent consisting of a sulfonium salt represented by the general formula STR2 and further reacting the above-said active ester with a nucleophilic agent represented by the general formula H--B--Y to produce an ester or amide represented by the general formula (W)d.A--B--Y.