Reference of 18531-94-7, The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.18531-94-7, Name is (R)-[1,1′-Binaphthalene]-2,2′-diol, molecular formula is C20H14O2. In a Article£¬once mentioned of 18531-94-7
Stereoselective Total Synthesis of the Marine Macrolide Sanctolide A
The stereoselective total synthesis of sanctolide A, a 14-membered polyketide-nonribosomal peptide (PK-NRP) hybrid macrolide, was accomplished. Sanctolide A contains a rare N-methyl enamide and 2-hydroxyisovaleric acid functionality embedded into the macrocycle. The synthesis relied on Yamaguchi esterification and intramolecular dehydrative cyclization reactions to construct the core skeleton of the macrolide. The two key chiral centers were generated by Maruoka’s allylation and Noyori’s asymmetric ketone reduction reactions. Commercially available, inexpensive 2-hydroxyisovaleric acid and hexanaldehyde were utilized as the raw materials for the total synthesis.
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Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI