Category: tetrahydrofurans. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: (S)-Butan-2-ol, is researched, Molecular C4H10O, CAS is 4221-99-2, about Boron containing chiral Schiff bases: Synthesis and catalytic activity in asymmetric transfer hydrogenation (ATH) of ketones. Author is Pasa, Salih; Arslan, Nevin; Meric, Nermin; Kayan, Cezmi; Bingul, Murat; Durap, Feyyaz; Aydemir, Murat.
Asym. Transfer Hydrogenation (ATH) has been an attractive way for the reduction of ketones RC(O)R1 (R = Ph, Me, 3-nitrophenyl, etc.; R1 = naphth-1-yl, cyclohexyl, Me, etc.) to chiral alcs. (S)-RCH(OH)R1. A great number of novel and valuable synthetic pathways have been achieved by the combination usage of organometallic and coordination chem. for the production of important class of compounds and particularly optically active mols. For this aim, four boron containing Schiff bases e.g., I were synthesized by the reaction of 4-formylphenylboronic acid/phenylboronic acid with chiral amines such as L-leucine, L-cysteine and L-tyrosine. The boron containing structures have been found as stable compounds due to the presence of covalent B-O bonds and thus could be handled in laboratory environment. They were characterized by 1H NMR and FT-IR spectroscopy and elemental anal. and used as catalyst in the transfer hydrogenation of ketones to the related alc. derivatives with high conversions (up to 99%) and low enantioselectivities (up to 22% ee).
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Reference:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem