Dehydration diphenyl carbinol

B) Preparation of Diphenyl-(N-Methyl-4-Plperidylidene)Methane The carbinol can be dehydrated with 60% sulfuric acid. In general, to one part of the carbinol there is added... 

B) Preparation of diphenyl-(N-Methyl-4-Piperidylidene)methane the carbinol can be dehydrated with 60% sulfuric acid. In general, to one part of the carbinol there is added 10 parts of 60% sulfuric acid. The mixture after heating for 6 hours is poured onto cracked ice, the solution made alkaline with dilute sodium hydroxide and the oily basic layer extracted with ether. The ether extracts after washing with water are dried over sodium sulfate, and... 

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