Nixon Peabody LLP
Method for preparing spiro quaternary ammonium salt
The present invention relates to a method for preparing a spiro quaternary ammonium salt comprising reacting a cyclic secondary amine with a dihaloalkane in the presence of a basic resin. According to the preparation method of the present invention, a metal salt and halide ion are removed by filtration without any additional purification process, the spiro ammonium derivative compound can be obtained with high yield, and the resin can be reused through a simple treatment process.
SAMHWA PAINTS INDUSTRIES CO., LTD.
Y C C B
Y02E C08F C07D B01J
additional inventional inventional inventional
Seung Hun Myeng Chan Chong Yun June Hyeop Young Seop So Hyun Da Eun
Lee Hong Kwag An Choi Jang Kwon