Title : Synthesis and structure-activity relationships of acetylcholinesterase inhibitors: 1-benzyl-4-(2-phthalimidoethyl)piperidine and related derivatives.

Pub. Date : 1992 Nov 27

PMID : 1469686






4 Functional Relationships(s)
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1 Following the discovery of a new series of 1-benzyl-4-[2-(N-benzoyl-N-methylamino)ethyl]piperidine (2) derivatives with a potent anti-acetylcholinesterase (anti-AChE) activity, we extended the structure-activity relationships (SAR) to rigid analogues (4) and 1-benzyl-4-[2-(N-benzoyl-N-phenylamino)ethyl]piperidine derivatives (3). 1-benzyl-4-[2-(n-benzoyl-n-methylamino)ethyl]piperidine acetylcholinesterase Rattus norvegicus
2 Following the discovery of a new series of 1-benzyl-4-[2-(N-benzoyl-N-methylamino)ethyl]piperidine (2) derivatives with a potent anti-acetylcholinesterase (anti-AChE) activity, we extended the structure-activity relationships (SAR) to rigid analogues (4) and 1-benzyl-4-[2-(N-benzoyl-N-phenylamino)ethyl]piperidine derivatives (3). 1-benzyl-4-[2-(n-benzoyl-n-phenylamino)ethyl]piperidine acetylcholinesterase Rattus norvegicus
3 The rigid analogue containing isoindolone (9) was found to exhibit potent anti-AChE activity comparable to that of 2. Isoindol-1-one acetylcholinesterase Rattus norvegicus
4 Among the compounds prepared in these series, 1-benzyl-4-[2-[4-(benzoylamino)phthalimido]ethyl]piperidine hydrochloride (19) (IC50 = 1.2 nM) is one of the most potent inhibitors of AChE. 1-benzyl-4-[2-[4-(benzoylamino)phthalimido]ethyl]piperidine hydrochloride acetylcholinesterase Rattus norvegicus