The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: 1,3,5,7-Tetramethyl-6-phenyl-2,4,8-trioxa-6-phosphaadamantane( cas:97739-46-3 ) is researched.Formula: C16H21O3P.Lamola, Jairus L.; Moshapo, Paseka T.; Holzapfel, Cedric W.; Christopher Maumela, Munaka published the article 《Palladium-catalyzed borylation of aryl bromides and chlorides using phosphatrioxa-adamantane ligands》 about this compound( cas:97739-46-3 ) in Tetrahedron Letters. Keywords: palladium catalyst borylation aryl bromide chloride phosphatrioxa adamantane; aryl boronate ester preparation. Let’s learn more about this compound (cas:97739-46-3).
Catalysts based on the combination of Pd(OAc)2 and the electron-deficient phosphatrioxa-adamantane ligands are described for borylation of aryl bromides and chlorides. Catalytic evaluation of a small library of phosphatrioxa-adamantane ligands provided some insights on the preferred ligand steric profile for borylation reactions. The corresponding aryl boronate esters were accessed under mild conditions (25-70°) and isolated in high yields (up to 96%).
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Reference:
Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics