Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 88150-47-4, Name is Amlodipine maleate, molecular formula is C24H29ClN2O9. In an article, author is Zhao, Qian,once mentioned of 88150-47-4, HPLC of Formula: https://www.ambeed.com/products/88150-47-4.html.
Fourteen undescribed monoterpenoid indole alkaloids, voacafrines A-N, along with 7 known monoterpenoid indole alkaloids were isolated from the seeds of Voacanga africana Stapf. Among them, voacafrines A-G were aspidosperma-aspidosperma type bisindole alkaloids, while voacafrines H-N were aspidosperma-type monomers. Their structures and absolute configurations were elucidated by a combination of NMR, MS, and ECD analyses. Voacafrines A-C were characterized by an acetonyl moiety at C-5′, while voacafrine H possessed a methoxymethyl moiety at C-14 within aspidosperma-type alkaloids. The acetylcholinesterase (AChE) inhibitory activity and cytotoxicity of voacafrines A-N were evaluated. Voacafrines A-C and E-G were bisindole alkaloids that exhibited AChE inhibitory activity with IC50 values of 4.97-33.28 mu M, while voacafrines I and J were monomers that showed cytotoxicity against several human cancer cell lines with IC50 values of 4.45-7.49 mu M.
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Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
,Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles