Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 98-17-9, Name is 3-(Trifluoromethyl)phenol, molecular formula is C7H5F3O. In an article, author is Ocenasova, Lucia,once mentioned of 98-17-9, Recommanded Product: 3-(Trifluoromethyl)phenol.
Substances containing a spirooxindole framework display important biological activities. Natural alkaloid capparine A [(S)-(-)-1] has an anti-inflammatory effect. In the present study, attention has been paid to the first total synthesis of natural capparine A [(S)-(-)-1]. Racemic capparine A [(-+/-)-1] was synthesized by bromospirocyclization of 6-methoxy-1-Boc-brassinin with water, followed by oxidation of obtained spirobrassinol derivatives and removal of the Boc group. Synthesized racemic capparine A [(-+/-)-1] was enantioresolved by derivatization with (1R,2S,5R)-menthyl chloroformate, chromatographic separation of diastereoisomers and the cleavage of the chiral auxiliary using sodium methoxide. Screening of antiproliferative activity against human cancer cells revealed no anti-proliferative activity of the capparine A [(S)-(-)-1]. (C) 2020 Elsevier Ltd. All rights reserved.
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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