Co-reporter:Bing-Qin Yang;Ju-Li Qiang;Yin-Juan Bai;Jun Lu;Zhen Shi
Chinese Journal of Chemistry 2003 Volume 21(Issue 9) pp:
Publication Date(Web):26 AUG 2010
DOI:10.1002/cjoc.20030210921
The reaction of 2-alkyl-1,3-dimethylbenzimidazolium salts with Grignard reagents gave addition products which were hydrolyzed to give ketones. A new method for the preparation of cyclohexyl ketones and isopropyl ketones is provided.
![BENZENE, 1,1'-[(4-NITROPHENYL)METHYLENE]BIS[2,4-DIMETHOXY-](http://img.cochemist.com/ccimg/144000/143959-23-3.png)
![BENZENE, 1,1'-[(4-NITROPHENYL)METHYLENE]BIS[2,4-DIMETHOXY-](http://img.cochemist.com/ccimg/144000/143959-23-3_b.png)
![BENZENE, 1,1'-[(4-NITROPHENYL)METHYLENE]BIS[4-METHYL-](http://img.cochemist.com/ccimg/69400/69361-51-9.png)
![BENZENE, 1,1'-[(4-NITROPHENYL)METHYLENE]BIS[4-METHYL-](http://img.cochemist.com/ccimg/69400/69361-51-9_b.png)
![Methanone, [4-(diphenylmethyl)phenyl]phenyl-](http://img.cochemist.com/ccimg/7400/7375-38-4.png)
![Methanone, [4-(diphenylmethyl)phenyl]phenyl-](http://img.cochemist.com/ccimg/7400/7375-38-4_b.png)
![3H-PYRAZOL-3-ONE,4-[[4-(DIMETHYLAMINO)PHENYL]METHYLENE]-2,4-DIHYDRO-5-METHYL-2-PHENYL-](http://img.cochemist.com/ccimg/3200/3100-04-7.png)
![3H-PYRAZOL-3-ONE,4-[[4-(DIMETHYLAMINO)PHENYL]METHYLENE]-2,4-DIHYDRO-5-METHYL-2-PHENYL-](http://img.cochemist.com/ccimg/3200/3100-04-7_b.png)
![2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-[(2R,3S,4R,5S,6S)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydropyran-2-yl]oxy-chromen-4-one](http://img.cochemist.com/ccimg/500/482-35-9.png)
![2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-[(2R,3S,4R,5S,6S)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydropyran-2-yl]oxy-chromen-4-one](http://img.cochemist.com/ccimg/500/482-35-9_b.png)
