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CAS No. : | 2622-63-1 | MDL No. : | MFCD00005764 |
Formula : | C14H12N2 | Boiling Point : | - |
Linear Structure Formula : | CH3C6H4N2CC6H5 | InChI Key : | POSRBSJJCMKQNU-UHFFFAOYSA-N |
M.W : | 208.26 | Pubchem ID : | 75807 |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P280-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H317-H319 | Packing Group: | N/A |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene; In dichloromethane; | EXAMPLE 4 Preparation of 1-Methyl-2-Phenylbenzimidazole Using DBU To a mixture of 2-phenylbenzimidazole (1.02 g, 5.25 mmol) in DMC (10 mL), DBU (0.80 g, 5.25 mmol) was added and the resulting mixture was heated to reflux (90° C.) for 6 hours. The solvent was evaporated under vacuum and the resulting oil was dissolved in methylene chloride (2 mL) and filtered through silica gel (2:1 EtOAc/hexane). The solvent was evaporated under vacuum to afford 1-methyl-2-phenylbenzimidazole as a solid. The yield of 1-methyl-2-phenylbenzimidazole as determined by HPLC analysis was 98percent conversion. | |
EXAMPLE 5 Preparation of 1-methyl-2-phenylbenzimidazole Using Dabco.(TM). To a mixture of 2-phenylbenzimidazole (2.02 g, 10.4 mmol) in DMC (10 mL), Dabco.(TM). (1.17 g, 10.4 mmol) was added and the resulting mixture was heated to reflux (90° C.) for 3 hours. The yield of 1-methyl-2-phenylbenzimidazole as determined by HPLC analysis was 99percent conversion. | ||
With dmap; In N,N-dimethyl-formamide; | EXAMPLE 6 Preparation of 1-Methyl-2-phenylbenzimidazole Using DMAP To a mixture of 2-phenylbenzimidazole (2.02 g, 10.4 mmol) in DMC (10 mL) and DMF (5 mL), DMAP (1.27 g, 10.4 mmol) was added and the resulting mixture was heated to reflux (90° C.) for 4 hours. The yield of 1-methyl-2-phenylbenzimidazole as determined by HPLC analysis was 99percent conversion. |
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