5004-94-4

Downstream Products

• 78897-61-7 2-(4-Hydroxy-4-phenyl-piperidin-1-ylmethyl)-1-(4-nitro-phenyl)-propenone; hydrochloride 
• 186446-81-1 1-[3-(3,4-dichlorophenyl)-5-(4-hydroxy-4-phenyl-1-piperidinyl)-1-oxopentyl]-1,2,3,4-tetrahydroquinoline 
• 186447-05-2 2-[3-(3,4-dichlorophenyl)-5-(4-hydroxy-4-phenyl-1-piperidinyl)-1-oxopentyl]-1,2,3,4-tetrahydroisoquinoline 
• 186447-07-4 1-[3-(3,4-dichlorophenyl)-5-(4-hydroxy-4-phenyl-1-piperidinyl)-1-oxopentyl]-1H-indole 
• 437995-27-2 5-chloro-2-[3-(4-hydroxy-4-phenyl-1-piperidyl)propyl]-4(3H)-quinazolinone 
• 63579-73-7 2-(4-Phenyl-4-hydroxypiperidinomethyl)-6,7-dimethoxy-1-tetralone, hydrochloride 
• 60682-00-0 2-(4-phenyl-4-hydroxypiperidinomethyl)-1-tetralone hydrochloride 
• 63843-83-4 1-benzyl-4-hydroxy-4-phenylpiperidine 

Relevant academic research and scientific papers

Benzofuran derivatives, pharmaceutical composition containing the same, and a process for the preparation of the active ingredient

The present invention is a piperazinylalkylbenzofuran derivative of the formula wherein R1 represents a C1-4 alkyl group, R2 stands for a hydrogen atom, X means an oxygen atom, Y is a hydroxyl group, Z represents a hydrogen atom, Ar′ represents a diphenylmethyl group, a pyridyl group, a partially saturated 5-membered heterocyclic group or a phenyl group, n has a value of 0 or 1, and pharmaceutically suitable acid addition salts thereof.

Photochemical deprotection of 3′,5′-dimethoxybenzoin (DMB) carbamates derived from secondary amines

Treatment of secondary amines with a (dimethoxybenzoin)carbonylimidazolium salt provides dimethoxybenzoin carbamates that can be deprotected photochemically.