N methyl imidazole

N-Methyl imidazole (99.0%), chloroethanol (99.0%), chloroacetic acid (99.0%), 2-bromoethylamine hydrogen bromide salt, zinc bromide (98.0%), toluene (99.5%), acetonitrile (99.0%), and propylene oxide (99.5%), used in this study, were of analytic grade and purchased from Sinopharm Chemical Reagent Co., Ltd. (China). 3-Chloropropyltriethoxysilane (CPTES, 95%) was purchased from Aladdin Chemical Co. CO₂ gas (99.95%) was offered by Petrochina Liaoyang Yifang Petrochemical Company (China). MCM-22 was provided by Petrochina Fushun Petrochemical Company (China). All materials were used without further purification.

Sulfuric acid, toluene, ethyl acetate, pyridine, p-nitroaniline, glucose and n-octanol, monopotassium monosodium tartrate tetrahydrate, methylene blue were purchased from Beijing Chemical Company and were of analytical grade. N-Methylimidazole, copper(ii) sulfate pentahydrate were purchased from Sinopharm Chemical Reagent Co., Ltd. 1,3-Propanesulfonate was purchased from Aladdin Industrial Corporation. p-Toluenesulfonic acid monohydrate was purchased from Tokyo Chemical Industry Co., Ltd. Ultrapure water was obtained by the water purification system (Milli-Q Direct-8). All reagents were commercially available and used as received without further purification.

Poly(2,6-dimethyl-1,4-phenylene
oxide) (PPO) was purchased from Sigma-Aldrich Co., Ltd., P. R. China.
2,2′-Azobisisobutyronitrile (AIBN) and N-bromosuccinimide
(NBS) were purchased from Adamas Reagent Co., Ltd., China. Chlorobenzene
was bought from Shanghai Titas Co., Ltd., P. R. China. Potassium chromate
(K₂CrO₄), trimethylamine, N-methylimidazole, sodium sulfate (Na₂SO₄), N-methypyrrolidine, sodium hydroxide (NaOH), N-methylpiperidine, chloroform (CHCl₃), sodium chloride
(NaCl), silver nitrate (AgNO₃), ethanol (EtOH), and 1-methyl-2-pyrrolidone
(NMP) were obtained from Sinopharm Chemical Reagent Co., Ltd., P.
R. China and were utilized as attained. Deionized (DI) water was utilized
throughout the work.