ABSTRACT
1-Substituted 2,6,7-trioxa-4-phospha-1-borabicyclo[2.2.2]octan-1-uides were obtained in 31–71% yields by the reaction of tetrakis(hydroxymethyl)phosphonium sulfate with alkyl- or arylboronic acids in the presence of tetrabutylammonium hydroxide.
GRAPHICAL ABSTRACT
Acknowledgement
We thank the National Natural Science Foundation of China for their financial support of our program (Grant No. 21272170).