Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, European Journal of Organic Chemistry called Synthesis and application of chiral phosphorus ligands derived from TADDOL for the asymmetric conjugate addition of diethyl zinc to enones, Author is Alexakis, Alexandre; Burton, Jonathan; Vastra, Johann; Benhaim, Cyril; Fournioux, Xavier; Van den Heuvel, Alexandra; Leveque, Jean-Marc; Maze, Frederique; Rosset, Stephane, which mentions a compound: 147700-62-7, SMILESS is CC(O1)(C)O[C@]2([H])[C@]1([H])C(C3=CC=CC=C3)(C4=CC=CC=C4)OP(C5=CC=CC=C5)OC2(C6=CC=CC=C6)C7=CC=CC=C7, Molecular C37H33O4P, Name: (3aR,8aR)-2,2-Dimethyl-4,4,6,8,8-pentaphenyltetrahydro-[1,3]dioxolo[4,5-e][1,3,2]dioxaphosphepine.
Asym. conjugate addition of diethylzinc to cyclohexen-2-one, chalcone, and benzalacetone has been found to occur with 0.5% copper(II) triflate and 1% chiral phosphite. Cyclic phosphites derived from TADDOL gave excellent to moderate enantiomeric excesses. The nature of the exocyclic substituent of the dioxaphospholane ring is important, but the chiral induction is imposed by the TADDOL framework. Syntheses of all the TADDOL ligands are described.
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Reference:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem