国家/地区 中国（15）
IPC部 C（16）
IPC大类 C07（16）
IPC小类 C07D（16）
IPC C07D233/88（4） B01J027/138（3） B01J027/24（2）
B01J037/02（2） B01J037/08（2） C01B032/198（2）
发明人 MAO Z（4） WANG J（2） XU Z（2）
公开年 2018（16）
申请年 2018（16）
专利权人 MAO Z（4）

Preparation of 3,3'-aryl-bis(4-aminocoumarin) derivative via sulfonated graphene oxide comprises taking 4-aminocoumarin and aromatic aldehyde, adding sulfonated graphene oxide, and carrying out catalytic reaction.

SHEN Z, LU H

Preparing graphene-based dolasetron mesylate intermediate involves mixing methyl 3-cyclopentene-1-carboxylate with aqueous solution of N-methylmorpholine-N-oxide, then adding potassium citrate and phenylboronic acid, and oxidizing product.

CHEN D

New graphene/pyrazine pyrophosphate nano compound prepared by e.g. adding graphene oxide to polar solvent, ultrasonically stirring to dispersing graphene oxide in the polar solvent, and then adding piperazine and reacting.

TAI Q

Synthesis of hydrogenated quinidine, involves dispersing graphene oxide in deionized water to prepare solution, dissolving potassium hydroxide and chloroacetic acid, adding to solution, stirring, filtering, and dispersing in deionized water.

LI X

Preparation of allantoin by titanium dioxide-based composite solid catalyst by mixing raw materials including tetrabutyl titanate, graphene and copper salt, heating, drying, grinding, calcining, soaking, and performing condensation reaction.

MAO Z

Preparation of cyclic carbonate by adding autoclave with, e.g. epoxy compound and lanthanum-modified graphene catalyst, stirring, dispersing, sealing, vacuumizing, replacing air with carbon dioxide, heating and dissolving in organic solvent.

WANG Q, ZHANG Y

Preparation of allantoin using titanium dioxide-based composite solid catalyst by mixing tetrabutyl titanate, graphene and dimethylformamide, mixing copper salt, zinc salt and silver salt, heating, and performing condensation reaction.

MAO Z

Preparing titanium dioxide-based composite solid catalyst useful for preparing allantoin comprises e.g. mixing tetrabutyl titanate, graphene, dimethylformamide and ethanol to form solution A and mixing water, ethanol and acetic acid.

MAO Z

Preparation of titanium dioxide-based composite/Lewis acid composition for preparing allantoin, involves mixing tetrabutyl titanate, graphene, dimethylformamide, and ethanol to form solution, and mixing water, ethanol and acetic acid.

MAO Z

Synthesizing hydrogenated methyl nadic anhydride comprises e.g. subjecting dimeric pentamethylcyclopentadiene to pyrolysis and rectification, dropping maleic anhydride, adding ruthenium supported reduced graphene oxide catalyst and reacting.

ZHANG P, FENG H, WU B, ZHANG C, QU F, GAO D, XU J, WANG J, WANG X