1991
DOI: 10.1021/ja00012a056
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A route to optically pure (-)-huperzine A; molecular modeling and in vitro pharmacology

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Cited by 75 publications
(34 citation statements)
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“…However, the synthesis of Hup A and its derivatives appears to suffer from complexity, cost and time with low yields. 20 It is necessary to find complementary drugs, which can enhance the pharmacological effect of Hup A. EGCG is one of these complementary drugs. According to the above results, the addition of EGCG to Hup A can largely reduce the dose of Hup A.…”
Section: Discussionmentioning
confidence: 99%
“…However, the synthesis of Hup A and its derivatives appears to suffer from complexity, cost and time with low yields. 20 It is necessary to find complementary drugs, which can enhance the pharmacological effect of Hup A. EGCG is one of these complementary drugs. According to the above results, the addition of EGCG to Hup A can largely reduce the dose of Hup A.…”
Section: Discussionmentioning
confidence: 99%
“…An asymmetric version of this synthesis was also accomplished by Kozikowski et al by using 8-phenylneomenthol as a chiral auxiliary which afforded the natural enantiomer (-) huperzine A. 25 Another asymmetric version 26 of the aforementioned domino Michael-aldol sequence was implemented by employing a chiral cinchona base (11) which converted β-keto ester 3 into alcohol 4 in 64% ee. This asymmetric tandem Michael-aldol reaction has also been realized recently by Yao and coworkers 27 under the influence of the quinine-derived chiral thiourea organocatalyst 12 to give rise to the alcohol 4 in 92% enantiomeric excess.…”
Section: Huperzine Amentioning
confidence: 99%
“…Am Shanghai Institute of Materia Medica wurden die beiden Lycopodium-Alkaloide (-)-Huperzin A und (-)-Huperzin B (Abbildung 2) aus dieser Pflanze isoliert und als reversible Inhibitoren der Acetylcholinesterase identifiziert [ [12][13][14] ebenso wie die stereoselektive Totalsynthese des natürlichen Enantiomers (-)-Huperzin A [15]. Name Huperzia serrata = Lycopodium serratum, gesägter Bärlapp) wurde im Verlauf der Jahrhunderte zur Behandlung einer Vielzahl von Krankheiten eingesetzt: z.B.…”
Section: Huperzinunclassified