Application of 23190-16-1, Chemistry can be defined as the study of matter and the changes it undergoes. You’ll sometimes hear it called the central science because it is the connection between physics and all the other sciences, starting with biology.23190-16-1, Name is (1R,2S)-(−)-2-Amino-1,2-diphenylethanol, molecular formula is C6H5CH(NH2)CH(C6H5)OH. In a patent, introducing its new discovery.
(+)-Negamycin and (-)-5-epi-negamycin were synthesized by a process involving the palladium(II)-assisted alkylation of an optically active ene carbamate followed by carbonylative coupling to a trialkylvinyltin.The synthesis of (+)-negamycin was completed in 15 steps with an overall yield of 13percent.The synthesis of (-)-5-epi-negamycin was completed in 12 steps with an overall yield of 20percent.In preparing these compounds, a highly diastereoselective reduction of an unsaturated ketone and an efficient intramolecular Mitsunobu reaction were also carried out.
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