Synonyms:cephalostatin 1;cephalostatin I
85.0-99.8% *data from raw suppliers
The research focuses on the selective synthesis of bissteroidal compounds, which are simplified analogs of cephalostatins, through multifold Heck reactions. The purpose of this study was to develop a facile and convergent strategy for the synthesis of these compounds, which exhibit high cytostatic activity against human cancer cell lines. The researchers successfully synthesized a simplified analog of cephalostatins by replacing the central octahydrophenazine moiety with a benzene ring through a twofold intramolecular Heck reaction. Key chemicals used in the process include hexahydro-1H-indene, dibromoterephthalaldehyde derivative, palladacycle catalyst, and various reagents for selective debromination and protection/deprotection steps. The synthesis allowed for the preparation of both symmetrical and unsymmetrical analogs of cephalostatins, providing a short and efficient route to structurally simplified analogs, with potential applications in the preparation of a variety of cephalostatin analogs.
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