The molecularity of an elementary reaction is the number of molecules that collide during that step in the mechanism. If there is only a single reactant molecule in an elementary reaction, that step is designated as unimolecular.24621-61-2, name is (S)-Butane-1,3-diol. A new synthetic method of this compound is introduced below. , 24621-61-2
To a solution of (S)+}1,3-butanediol (10.0 g, 0.110 mol), was added triphenylmethylchloride (33.0 g, 0.330 mol), 4-dimethylaminopyridine (1.40 g, 11.5 mmol) in CH2Cl/pyridine (1:1, 500 mL).Stirring was continued over 48 h. The solvent was removed, the mixture was diluted with ether, washed with brine and dried over Na2SO4. The organic solution was filtered and concentrated. Silica gel chromatography with (5% ethyl acetate/hexanes) produced a clear oil (24 g) in 70% yield.
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Reference£º
Patent; Bristol-Myers Squibb Company; Merck & Co. Inc.; US6967196; (2005); B1;,
Synthesis and Crystal Structure of a Chiral?C3-Symmetric Oxygen Tripodal Ligand and Its Applications to Asymmetric Catalysis
Chiral lanthanide(III) complexes of sulphur¨Cnitrogen¨Coxygen ligand derived from aminothiourea and sodium?D-camphor-¦Â-sulfonate