Long-acting anticholinesterases for myasthenia gravis: synthesis and activities of quaternary phenylcarbamates of neostigmine,pyridostigmine and physostigmine |
| |
| Authors: | Qian-sheng Yu Harold W Holloway Weiming Luo Debomoy K Lahiri Arnold Brossi Nigel H Greig |
| |
| Institution: | 1. Drug Design & Development Section, Laboratory of Neurosciences, Biomedical Research Center, National Institute on Aging, National Institutes of Health, 251 Bayview Blvd, Baltimore, MD 21224, USA;2. MedStar Research Institute, Hyattsville, MD 20782, USA;3. Department of Psychiatry, Institute of Psychiatric Research, Indiana University School of Medicine, Indianapolis, IN 46202, USA;4. School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA |
| |
| Abstract: | The N-monophenylcarbamate analogues of neostigmine methyl sulfate (6) and pyridostigmine bromide (8) together with their precursors (5), (7), and the N(1)-methylammonium analogues of (?)-phenserine (12), (?)-tolserine (14), (?)-cymserine (16) and (?)-phenethylcymserine (18) were synthesized to produce long-acting peripheral inhibitors of acetylcholinesterase or butyrylcholinesterase. Evaluation of their cholinesterase inhibition against human enzyme ex vivo demonstrated that, whereas compounds 5–8 possessed only marginal activity, 12, 14, 16 and 18 proved to be potent anticholinesterases. An extended duration of cholinesterase inhibition was determined in rodent, making them of potential interest as long-acting agents for myasthenia gravis. |
| |
| Keywords: | |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
