ChemInform Abstract: Synthesis of the Tetrahydroisoquinoline Unit in the AB Ring System of the Novel Antitumor-Antibiotic Tetrazomine.

ChemInform ◽  
2010 ◽  
Vol 29 (14) ◽  
pp. no-no
Author(s):  
V. L. PONZO ◽  
T. S. KAUFMAN
Keyword(s):  
Ring System ◽  
Antitumor Antibiotic ◽  
The Novel ◽  
Ab Ring

scholarly journals Synthesis and Evaluation of the Tetracyclic Ring-System of Isocryptolepine and Regioiso-Mers for Antimalarial, Antiproliferative and Antimicrobial Activities

Molecules ◽  
2021 ◽  
Vol 26 (11) ◽  
pp. 3268
Author(s):  
Katja S. Håheim ◽  
Emil Lindbäck ◽  
Kah Ni Tan ◽  
Marte Albrigtsen ◽  
Ida T. Urdal Helgeland ◽  
...  
Keyword(s):  
Prostate Cancer ◽  
Cell Lines ◽  
Cancer Cell ◽  
Antimicrobial Activities ◽  
Ring System ◽  
Human Prostate ◽  
The Novel ◽  
Human Prostate Cancer ◽  
Biofilm Inhibition

A series of novel quinoline-based tetracyclic ring-systems were synthesized and evaluated in vitro for their antiplasmodial, antiproliferative and antimicrobial activities. The novel hydroiodide salts 10 and 21 showed the most promising antiplasmodial inhibition, with compound 10 displaying higher selectivity than the employed standards. The antiproliferative assay revealed novel pyridophenanthridine 4b to be significantly more active against human prostate cancer (IC50 = 24 nM) than Puromycin (IC50 = 270 nM) and Doxorubicin (IC50 = 830 nM), which are used for clinical treatment. Pyridocarbazoles 9 was also moderately effective against all the employed cancer cell lines and moreover showed excellent biofilm inhibition (9a: MBIC = 100 µM; 9b: MBIC = 100 µM).

A concise enantioselective synthesis of the AB ring system of the manzamine alkaloids by ring-closing enyne metathesis

2001 ◽  
Vol 42 (18) ◽  
pp. 3235-3238 ◽  
Author(s):  
J.Stephen Clark ◽  
Robert J Townsend ◽  
Alexander J Blake ◽  
Simon J Teat ◽  
Amanda Johns
Keyword(s):  
Ring System ◽  
Enantioselective Synthesis ◽  
Enyne Metathesis ◽  
Manzamine Alkaloids ◽  
Ab Ring
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