[1]
Graham, W.V.; Bonito-Oliva, A.; Sakmar, J.P. Update on Alzheimer’s disease therapy and prevention strategies. Annu. Rev. Med., 2017, 68, 413-430.
[2]
Schettens, P.; Blennov, K.; Breteler, M.M.B.; de Strooper, B.; Frisoni, G.B.; Salloway, S.; Van der Flier, W.M. Alhzeimer’s disease. Lancet, 2016, 388, 505-517.
[3]
Masters, C.L.; Bateman, R.; Blennow, K.; Rove, C.C.; Sperling, R.A.; Cummings, J.L. Alzheimer’s disease. Nat. Rev. Dis. Primers., 2015, 1, 1-18. (article number 15056).
[4]
Contestabile, A. The history of the cholinergic hypothesis. Behav. Brain Res., 2011, 221, 334-340.
[5]
Craig, L.A.; Hong, N.S.; McDonald, R.J. Revisiting the cholinergic hypothesis in the development of Alzheimer’s disease. Neurosci. Biobehav. Rev., 2011, 35, 1397-1409.
[6]
Terry, Jr, P.T.; Buccafusco, J.J. The cholinergic hypothesis pf age and Alzheimer’s disease-related cognitive deficits: Recent challenges and their implications for novel drug development. J. Pharmacol. Exp. Ther., 2003, 306, 821-827.
[7]
Francis, P.T.; Palmer, A.M.; Snape, M.; Wilcock, G.K. The Colinergic hypothesis of Alhzeimer’s disease: A review progress. J. Neurol. Neurosurg. Psychiatry, 1999, 66, 137-147.
[8]
Čolović, M.B.; Krstić, D.Z.; Lazarević-Pašti, T.D.; Bondžić, A.S.; Vasić, V.M. Acetylcholinesterase inhibitors: Pharmacology and toxicology. Curr. Neuropharmacol., 2013, 11, 315-335.
[9]
Takeda, A.; Loveman, E.; Clegg, A.; Kirby, J.; Picot, J.; Payne, E.; Green, C. A systematic review of the clinical effectiveness of donepezil, rivastigmine and galantamine on cognition, quality of life and adverse events in Alzheimer’s disease. Int. J. Geriatr. Psychiatry, 2006, 21, 17-28.
[10]
Nhan, H.S.; Chiang, K.; Koo, E.K.H. The multifaceted nature of amyloid precursor protein and its proteolytic fragments: friends and foes. Acta Neuropathol., 2015, 129, 1-19.
[11]
Cacquevel, M.; Aeschbach, L.; Houacine, J.; Fraering, P.C. Alzheimer’s disease-linked mutations in presenilin-1 result in a drastic loss of activity in purified γ-secretase complexes. PLoS One, 2012, 7, e35133.
[12]
Ahmed, M.; Davis, J.; Aucoin, D.; Sato, T.; Ahuja, S.; Aimoto, S.; Elliott, J.I.; Van Nostrand, W.E.; Smith, S.O. Structural conversion of neurotoxic amyloid-β (1–42) oligomers to fibrils. Nat. Struct. Mol. Biol., 2010, 17, 561-567.
[13]
Dickerson, T.J.; Beuscher, A.E.; Hixon, M.S.; Yamamoto, N.; Xu, Y.; Olson, A.J.; Janda, K.D. Discovery of acetylcholinesterase peripheral anionic site ligands through computational refinement of a directed library. Biochemistry, 2005, 44, 14845-14853.
[14]
Bourne, Y.; Radic, Z.; Kolb, H.C.; Sharpless, K.B.; Taylor, P.; Marchot, P. Structural insights into conformational flexibility at the peripheral site and within the active center gorge of AChE. Chem. Biol. Interact., 2005, 157, 159-165.
[15]
Yang, Y.L.; Chang, F.R.; Wu, Y.C. Annosqualine: A novel alkaloid from the stems of Annona squamosa. Helv. Chim. Acta, 2004, 87, 1392-1399.
[16]
Yeh, L-A.; Chen, J.; Baculi, F.; Gingrich, D.E.; Shen, T.Y. Inhibition of metalloproteinase by futoenone derivatives. Bioorg. Med. Chem. Lett., 1995, 5, 1637-1642.
[17]
Chen, D.F.; Zhang, S-X.; Kozuka, M.; Sun, Q-Z.; Feng, J.; Wang, Q.; Mukainaka, T.; Nobukuni, Y.; Tokuda, H.; Nishino, H.; Wang, H-K.; Morris-Natschke, S.L.; Lee, K-H. Interiotherins C and D, two new lignans from Kadsura interior and Antitumor-promoting effects of related Neolignans on Epstein−Barr virus activation. J. Nat. Prod., 2002, 65, 1242-1245.
[18]
Honda, T.; Shigehisa, H. Novel and efficient synthetic path to Proaporphine alkaloids: Total synthesis of (±)-Stepharine and (±)-Pronuciferine. Org. Lett., 2006, 8, 657-659.
[19]
Traoré, M.; Ahmed, A.S.; Peuchmaur, M.; Wong, Y.S. Hypervalent iodine (III)-mediated tandem oxidative reactions: Application for the synthesis of bioactive polyspirocyclohexa-2,5-dienones. Tetrahedron, 2010, 66, 5863-5872.
[20]
Lovering, F.; Bikker, J.; Humblet, C. Escape from flatland: Increasing saturation as an approach to improving clinical success. J. Med. Chem., 2009, 52, 6752-6756.
[21]
Lovering, F. Escape from flatland 2: Complexity and promiscuity. MedChemComm, 2013, 4, 515-519.
[22]
Zheng, Y.; Tice, C.M.; Singh, S.B. The use of spirocyclic scaffolds in drug discovery. Bioorg. Med. Chem. Lett., 2014, 24, 3673-3682.
[23]
Marson, C. New and unusual scaffolds in medicinal chemistry. Chem. Soc. Rev., 2011, 40, 5514-5533.
[24]
Molvi, K.I.; Haque, N.; Awen, B.Z.S.; Zameeruddin, M. Synthesis of Spiro compounds as medicinal agents; new opportunities for drug design and discovery. part I: A review. World J. Pharm. Pharmaceut. Sci., 2014, 3, 536-563.
[25]
Almansour, A.I.; Kumar, R.S.; Arumugam, N.; Basiri, A.; Kia, Y.; Ali, M.A.; Farooq, M.; Murugaiyah, V. A facile ionic liquid promoted synthesis, Cholinesterase inhibitory activity and molecular modeling study of novel highly functionalized Spiropyrrolidines. Molecules, 2015, 20, 2296-2309.
[26]
Ahsraf, A.M.; Ismail, R.; Choon, T.S.; Kumar, R.S.; Osman, H.; Arumugam, N.; Almansour, A.I.; Elumalai, K.; Singh, A. AChE inhibitor: A regio- and stereo-selective 1,3-dipolar cycloaddition for the synthesis of novel substituted 5,6-dimethoxy spiro [5.3′]-oxindole-spiro- [6.3″]-2,3-dihydro-1H-inden-1″-one-7-(substituted aryl)-tetrahydro-1H-pyrrolo[1,2-c] [1,3] thiazole. Bioorg. Med. Chem. Lett., 2012, 22(1), 508-511.
[27]
Kia, Y.; Osman, H.; Suresh, K.R.; Basiri, A.; Murugaiyah, V. Synthesis and discovery of highly functionalized mono- and bis-spiro-pyrrolidines as potent cholinesterase enzyme inhibitors. Bioorg. Med. Chem. Lett., 2014, 24(7), 1815-1819.
[28]
Ito, Y.; Takuma, K.; Mizoguchi, H.; Nagai, T.; Yamada, K. A novel Azaindolizinone derivative ZSET1446 (Spiro[imidazo[1,2-a]pyridine-3,2-indan]-2(3H)-one) improves Methamphetamine-induced impairment of recognition memory in mice by activating extracellular signal-regulated kinase 1/2. J. Pharmacol. Exp. Ther., 2007, 320, 819-827.
[29]
Efremov, I.V.; Vajdos, F.F.; Borzilleri, K.A.; Capetta, S.; Chen, H.; Dorff, P.H.; Dutra, J.K.; Goldstein, S.W.; Mansour, M.; McColl, A.; Noell, S.; Oborski, C.E.; O’Connell, J.N.; O’Sullivan, T.J.; Pandit, J.; Wang, H.; Wei, B-Q.; Withka, J.M. Discovery and optimization of a novel Spiropyrrolidine inhibitor of b-Secretase (BACE1) through fragment-based drug design. J. Med. Chem., 2012, 55, 9069-9088.
[30]
Martins, L.J.; Ferreira, B.R.V.; Almeida, W.P.; Coelho, F. An easy access to halogenated and non-halogenated spiro-hexadienones. Tetrahedron Lett., 2014, 55, 5264-5267.
[31]
Ellman, G.L. Tissue sulphydryl groups. Arch. Biochem. Biophys., 1959, 82, 70-77.
[32]
Brand-Williams, W.; Cuvelier, M.E.; Berset, C. Use of a free radical method to evaluate antioxidant activity. LWT-Food Sci.Technol, 1995, 28, 25-30.
[33]
Nimse, S.B.; Pal, D. Free radicals, natural antioxidants and their reaction mechanisms. RSC Advances, 2015, 5, 27986-28006.
[34]
Trott, O.; Olson, A. AutoDock Vina: Improving the speed and accuracy of docking with a new scoring function, efficient optimization and multithreading. J. Comput. Chem., 2010, 31, 455-461.
[35]
Gaussian 09, Revision D.01, Frisch, M.J.; Trucks, G.W.; Schlegel, H.B.; Scuseria, G.E.; Robb, M.A.; Cheeseman, J.R.; Scalmani, G.; Barone, V.; Mennucci, B.; Petersson, G.A.; Nakatsuji, H.; Caricato, M.; Li, X.; Hratchian, H.P.; Izmaylov, A.F.; Bloino, J.; Zheng, G.; Sonnenberg, J.L.; Hada, M.; Ehara, M.; Toyota, K.; Fukuda, R.; Hasegawa, J.; Ishida, M.; Nakajima, T.; Honda, Y.; Kitao, O.; Nakai, H.; Vreven, T.; Montgomery, J.A.; Peralta Jr, J.E.; Ogliaro, F.; Bearpark, M.; Heyd, J.J.; Brothers, E.; Kudin, K.N.; Staroverov, V.N.; Kobayashi, R.; Normand, J.; Raghavachari, K.; Rendell, A.; Burant, J.C.; Iyengar, S.S.; Tomasi, J.; Cossi, M.; Rega, N.; Millam, J.M.; Klene, M.; Knox, J.E.; Cross, J.B.; Bakken, V.; Adamo, C.; Jaramillo, J.; Gomperts, R.; Stratmann, R.E.; Yazyev, O.; Austin, A.J; Cammi, R.; Pomelli, C.; Ochterski, J.W.; Martin, R.L.; Morokuma, K.; Zakrzewski, V.G.; Voth, G.A.; Salvador, P.; Dannenberg, J.J.; Dapprich, S.; Daniels, A.D.; Farkas, Ö.; Foresman, J.B.; Ortiz, J.V.; Cioslowski, J.; Fox, D.J. Gaussian, Inc., Wallingford CT 2009.
[36]
Coelho, F.; Almeida, W.P.; Veronese, D.; Mateus, C.R.; Lopes, E.C.S.; Rossi, R.C.; Silveira, G.P.C.; Pavam, C.H. Ultrasound in Baylis–Hillman reactions with aliphatic and aromatic aldehydes: scope and limitations. Tetrahedron, 2002, 58, 7437-7447.
[37]
Ferreira, B.R.V.; Pirovani, R.V.; Souza-Filho, L.G.; Coelho, F. Nájera oxime-derived palladacycles catalyze intermolecular Heck reaction with Morita–Baylis–Hillman adducts. An improved and highly efficient synthesis of α-benzyl-β-ketoesters. Tetrahedron, 2009, 65, 7712-7717.
[38]
Pirovani, R.V.; Ferreira, B.R.V.; Coelho, F. Highly functionalized Spirocyclohexadienones from Morita-Baylis-Hillman adducts. Synlett, 2009, 2333-2337.
[39]
Heinrich, A.C.J.; Thiedemann, B.; Gates, P.J.; Staubitz, A. Dual selectivity: Electrophile and nucleophile selective cross-coupling reactions on a single aromatic substrate. Org. Lett., 2013, 15, 4666-4669.
[40]
Hey, D.H.; Jones, G.H. Perkins, M.J. Internuclear cyclisation. Part XXVI. Photolysis of 2-iodo-N-methylbenzanilide in benzene. J. Chem. Soc. (C), 1971, 116-122.
[41]
Krapcho, A.P. Synthesis of carbocyclic spiro compounds via Intramolecular alkylation routes. Synthesis, 1974, 383-419.
[42]
Ficini, J.; Revial, G.; Genêt, J.P. Acylation of ynamines by enol-lactones: A new method of stereoselective spiroannelation. Tetrahedron Lett., 1981, 22, 629-632.
[43]
Marx, J.N.; Norman, L. Synthesis of (-)-acorone and related spirocyclic sesquiterpenes. J. Org. Chem., 1975, 40, 1602-1606.
[44]
Nifontov, Y.V. Spirocyclohexadienones. 7. Three-component condensation of 1- or 2-methoxynaphthalene with isobutyraldehyde and nitriles. Russ. Chem. Bull., 2003, 52, 437-440.
[45]
Rios, R. Enantioselective methodologies for the synthesis of spiro compounds. Chem. Soc. Rev., 2012, 41, 1060-1074.
[46]
Carreira, E.M.; Fessard, T.C. Four-membered ring-containing spirocycles: Synthetic strategies and opportunities. Chem. Rev., 2014, 104, 8257-8322.
[47]
da Silva, G.S.; Figueiró, M.; Tormena, C.F.; Coelho, F.; Almeida, W.P. Effects of novel acylhydrazones derived from 4-quinolone on the acetylcholinesterase activity and Aβ42 peptide fibrils formation. J. Enzyme Inhib. Med. Chem., 2016, 31, 1464-1470.
[48]
Salih, E.; Chishti, S.B.; Vicedomine, P.; Cohen, S.G.; Chiara, D.C.; Cohen, J.B. Active-site peptides of acetylcholinesterase of electrophorus electricus: labelling of His-440 by 1-bromo-[2-14C] pinacolone and Ser-200 by tritiated diisopropyl fluorophosphate. Biochim. Biophys. Acta, 1994, 1208, 324-331.
[49]
Kryger, G.; Silman, I.; Sussman, J. Structure of acetylcholinesterase complexed with E2020 (Aricept®): implications for the design of new anti-Alzheimer drugs. Structure, 1999, 7, 297-307.
[50]
Ordentlich, A.; Barak, D.; Kronmat, C.; Ariel, N.; Segall, Y.; Velan, B.; Shafferman, A. Functional characteristics of the Oxyanion hole in human Acetylcholinesterase. J. Biol. Chem., 1998, 273, 19509-19517.
[51]
Sussman, J.L.; Harel, M.; Frolow, F.; Oefner, C.; Goldman, A.; Toker, L.; Silman, I.A. Atomic structure of Acetylcholinesterase from Torpedo Californica: A prototypic acetylcholine-binding protein. Science, 1991, 253, 872-879.
[52]
Shen, T.; Tai, K.; Henchman, R.H.; McCammon, J.A. Molecular dynamics of Acetylcholinesterase. Acc. Chem. Res., 2002, 35, 332-340.
[53]
Bajda, M.; Wieckowska, A.; Hebda, M.; Guzior, N.; Sotriffer, C.A.; Barbara, M.B. Structure based search for new inhibitors of cholinesterase. Int. J. Mol. Sci., 2013, 14, 5608-5632.
[54]
Bonda, D.J.; Wang, X.; Perry, G.; Nunomura, A.; Tabaton, M.; Zhu, X.; Smith, M.A. Oxidative stress in Alzheimer disease: a possibility for prevention. Neuropharmacol, 2010, 59, 290-294.
[55]
Lucini, L.; Pellizzoni, M.; Pellegrino, R.; Molinari, G.P.; Colla, G. Phytochemical constituents and in vitro radical scavenging activity of different Aloe species. Food Chem., 2015, 170, 501-507.
[56]
Samochocki, M.; Höffle, A.; Fehrenbacker, A.; Jostock, R.; Ludwig, J.; Christner, C.; Radina, M.; Zerlin, M.; Ullmer, C.; Pereira, E.F.R.; Lübbert, H.; Albuquerque, E.X.; Maelicke, A. Galantamine is an allosterically potentiating ligand of neuronal nicotinic nut not of muscarinic acetylcholine receptors. J. Pharmacol. Exp. Ther., 2003, 305, 1024-1036.