Quality Control of 5-Methoxy-1H-indole-2-carbaldehyde. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: 5-Methoxy-1H-indole-2-carbaldehyde, is researched, Molecular C10H9NO2, CAS is 21778-81-4, about Concise synthesis of carbazole-1,4-quinones and evaluation of their antiproliferative activity against HCT-116 and HL-60 cells. Author is Nishiyama, Takashi; Hatae, Noriyuki; Yoshimura, Teruki; Takaki, Sawa; Abe, Takumi; Ishikura, Minoru; Hibino, Satoshi; Choshi, Tominari.
A convenient synthesis of carbazole-1,4-quinone alkaloid koeniginequinones A and B using a tandem ring-closing metathesis with the dehydrogenation reaction sequence under an O2 atmosphere as an important step is reported. Using this method, carbazole-1,4-quinones substituted at the 5-, 6-, 7-, and/or 8-positions I (R1 = R2 = H, CH3; R3 = H, 6-OCH3, 5,6-(OCH3)2, 7-CH3, 6-NO2, etc.; R4 = H, MOM) have been synthesized. Moreover, 24 compounds, including koeniginequinones A and B, have been evaluated for their antiproliferative activity against HCT-116 and HL-60 cells, and the 6-nitro analog exhibited the most potent activity against both tumor cell types.
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Pyridazine – Wikipedia,
Pyridazine | C4H4N2 – PubChem