A simple procedure for SnCl 2 /TiCl 3 -mediated deoximation of ketoximes in an aqueous solvent is reported. Under the conditions developed in this effort, various ketones and aldehydes are produced in good to excellent yields.
A simple and practical approach has been developed for conducting direct, homoallylic alcohol forming allylation reactions of nitroalkenes in water. Employing the new method, various arylmethyl-homoallylic alcohols can be produced from the corresponding, readily prepared β-nitrostyrenes.
The loss of high power LED is analyzed and calculated. It is pointed out that high power LED driving circuit is required to be designed in detail instead of using BCD to 7-segment decoder. An example with 5 inch LED is presented. Some decoder circuits are designed and compared showing that the MC1413 is the optimal one. Example circuits are designed. The experiment results are in positive to the analysis results showing the feasibility of the proposed methods.
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