NaOH (0. 1 M) was followed by the addition of transketolase (600 U, the E. coli enzyme is commercially available from Sigma-Aldrich) and bovine serum albumin (50 mg). The reaction was initiated by the addition of potassium hydroxypyruvate (0.98 g, 6.9 mmol) and the pH was maintained ...
This synthesis uses readily RROH + NaOH— ~- ONa +H2O(la-i)(2a-i) RC6H5CHC12 + 2~_ONa—^C6H5CH(O—)2(2a-i)(3a-i) (a) R=H, (b) R=o—CH3, (c) R= m—CH3, (d) R=p-CH3i (e) R=p-CH3O, (f) R=p-C1, (g) R=p—Br, (h) R=m—NO2, (i) R=P—NO...
The reagents that promote the imine formation, such as Cs2CO3,100NaOH or KBuOK,102KHSO4,100or catalytic amount of Lewis acid Yb(OTf)3,103were also reported, from which one can chose different protocols based on the substrate to be employed. Imines that bear other functionalities were also ...
The conclusions can be presented as follows: (a) solid NaOH and Amberlyst type resin A-26 exhibit basic strength of H_?≥?15.4 respectively, the basic centers of A-21 resin possess lower strength 11.8–13.3?≤?H_?doi:10.1007/s11144-018-1492-z...
An improved process for the preparation of 2-hydroxy-4-methoxybenzaldehyde which comprises reacting a phenolic compound, as herein defined, with alkali hydroxide such as KOH or NaOH, in presence of cyclodextrin or its derivative such as herein defined, at a temperature in the range of 50-70掳 ...
The conclusions can be presented as follows: (a) solid NaOH and Amberlyst type resin A-26 exhibit basic strength of H_15.4 respectively, the basic centers of A-21 resin possess lower strength 11.8-13.3H_<15.4; (b) Amberlyst-15, Amberlyst XN 1010, Nafion NR 50 resins and solid sulfuric ...