国家/地区
IPC部 B（2）
IPC大类 C07（2）
IPC小类 C07D（2）
IPC
发明人
公开年 2021（2）
申请年
专利权人

Preparing quaternized haloamine-modified graphene oxide antibacterial nanoparticles by polymerizing graphene oxide by 4-vinylpyridine, grafting it with 3-bromopropyl-5,5-dimethylhydantoin by quaternization reaction, and chlorinating it.

XIAO L, AO Y, BU D, CHENG C, FENG H, WANG R, ZHANG J

Preparing 3-substituted 4-hydroxycoumarin compound, involves mixing 4-hydroxycoumarin derivatives with unsaturated alfa-beta-ketone, adding water, amino functional solid catalyst, heating, crystallizing viscous mass using organic solvent.

HAIDER M A, ALAM M I, AKHTAR M W, SHAHADAT M, AHMAD S Z