KEMYSTERY Chemicals India is a supplier of high quality (S)-(-)-1,1-Bi-2-naphthol / S-Binol CAS 18531-99-2, a for R & D and Production. S-Binol is a chiral ligand used in organic synthesis.
(S)-BINOL is a versatile reagent having several applications:
1) (S)-BINOLforms a S-(-)-BINOL-Ti complex in combination with titanium(IV) isopropoxide which is an efficient chiral catalyst for (a) asymmetric addition of alkynylzinc to unactivated ketones (Ref: European Journal of Organic Chemistry 2006(5), 1303-1309, (2006)); (b) enantioselective ring-opening reaction of meso-stilbene oxide and cyclohexene oxide with anilines (Ref: Angewandte Chemie (Weinheim an der Bergstrasse, Germany) 119(28), 5469-5472, (2007)); and (c) asymmetric aryl transfers from triaryl(tetrahydrofuran)aluminum reagents to a wide variety of ketones (Ref: Tetrahedron Letters 36(43), 7897-7900, (1995))
2) (S)-BINOL is a phosphoramidite catalyst precursor that can be used to convert allylic alcohols to allylic amines
Ref: Angewandte Chemie (International ed. in English), 46(17), 3139-3143 (2007-3-14)
3) (S)-BINOL reacts with zirconium(IV) isopropoxide to form a chiral Lewis acid complex that can enable facile enantioselective allylation of aldehydes by allyltributyltin
Ref: Tetrahedron Letters 36(43), 7897-7900, (1995)
4) (S)-BINOL is a precursor for several industrially important ligands (S-BINAP)
Ref: Ref: Chem. Rev. 2005, 105, 3, 857–898
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