financial supports by the Ministry of Science and Technology,P.R.China(Nos.2011AA02A210 and 2011CB710800);the Open Fund of State Key Laboratory of Bioreactor Engineering(2060204),are gratefully acknowledged.
Background:levo-Menthol is an important flavoring chemical,which can be prepared by enantioselective enzymatic hydrolysis of dl-menthyl esters.A recombinant esterase(BsE)cloned from Bacillus subtilis 0554 shows excell...
Financial Support by the National Natural Science Foundation of China (No.29872016) ; the Hong Kong Polytechnic University ASD Fund are gratefully acknowledged.
Menthol reacts with phosphorus trichloride to afford menthyl phosphorodichloridite 2, which further reacts with racemic 1, 1-binaphthalene-2, 2-diol to give phosphite (+)-3 in the presence of triethylamine. (+)-3 can ...