Preparation method and application of N-heterocyclic carbene zinc complex catalytic material
The invention relates to a preparation method of an N-heterocyclic carbene zinc complex catalytic material. The method comprises the following steps: (1) preparing 2-(2-bromoethoxy) pyrene; (2) preparing bis (benzimidazole) butane; (3) preparing bis-benzimidazole pyrene salt: mixing 2-(2-bromoethoxy...
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| creator | XIA CHUNGU LAN YONGCHENG XU CHUANZHI HUANG ZHIWEI LIU JIANHUA YUN DONG XIE YEYE |
| description | The invention relates to a preparation method of an N-heterocyclic carbene zinc complex catalytic material. The method comprises the following steps: (1) preparing 2-(2-bromoethoxy) pyrene; (2) preparing bis (benzimidazole) butane; (3) preparing bis-benzimidazole pyrene salt: mixing 2-(2-bromoethoxy) pyrene, bis-benzimidazole butane and acetonitrile, performing reflux reaction, and performing rotary evaporation, thereby obtaining the bis-benzimidazole pyrene salt. (4) preparing a free N-heterocyclic carbene compound: under the protection of nitrogen, mixing bis-benzimidazole pyrene salt, potassium tert-butoxide and anhydrous tetrahydrofuran to prepare the free N-heterocyclic carbene compound; and (5) preparing an N-heterocyclic carbene zinc complex catalyst material: under the protection of nitrogen, mixing a free N-heterocyclic carbene compound, zinc halide and anhydrous tetrahydrofuran to prepare the N-heterocyclic carbene zinc complex catalyst material. Meanwhile, the invention further discloses applicatio |
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The method comprises the following steps: (1) preparing 2-(2-bromoethoxy) pyrene; (2) preparing bis (benzimidazole) butane; (3) preparing bis-benzimidazole pyrene salt: mixing 2-(2-bromoethoxy) pyrene, bis-benzimidazole butane and acetonitrile, performing reflux reaction, and performing rotary evaporation, thereby obtaining the bis-benzimidazole pyrene salt. (4) preparing a free N-heterocyclic carbene compound: under the protection of nitrogen, mixing bis-benzimidazole pyrene salt, potassium tert-butoxide and anhydrous tetrahydrofuran to prepare the free N-heterocyclic carbene compound; and (5) preparing an N-heterocyclic carbene zinc complex catalyst material: under the protection of nitrogen, mixing a free N-heterocyclic carbene compound, zinc halide and anhydrous tetrahydrofuran to prepare the N-heterocyclic carbene zinc complex catalyst material. 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| subjects | ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING |
| title | Preparation method and application of N-heterocyclic carbene zinc complex catalytic material |
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