When the ratio of anatase and rutile phases was kept at 40:60, the H2 production and ethanol conversion were significantly improved with a rate of 8.5 mmol g-1 h-1 for hydrogen evolution and a rate of 4.0 mmol g-1 h-1 for 2,3-butanediol production. Meanwhile, the selectivity of the...
Yields were reduced when ethanol was added. During the reduction reaction, one of the roles of NMP is to completely dissolve NaBH4, thus generating (and stabilizing) the hydride anion species [41]. The other role in terms of its dipolar characteristics is to function as a bridging molecule (...
The products were precipitated by acetone, separated via centrifugation and further purified by an ethanol–acetone mixture. The PtNi nanaocrystal was synthesized via similar procedures for the PtNi3 nanocrystal but with 15 mg Ni(acac)2 in the first step. Synthesis of PtNi/Ni–B A unit of ...
What is the reaction type for the reaction of a ketone with NaBH4? a. a nucleophilic substitution b. a nucleophilic addition c. an electrophilic substitution d. an electrophilic addition Draw the organic product of the following nucleophilic substitution reaction. Is ...
Answer to: Draw the structures of all possible products formed in the following reaction involving an acid anhydride dissolved in alcohol. By...
of ultrapure watertoformsolution2.Solution2wasthendroppedintothesolu-tion 1 at the rate of 0.5 mLs−1.During the addition( the)uffy black precipitatesappearedonthesurfaceofthesolution.The,uffyblack precipitates were washed with ultrapure water and ethanol(and )nally dried under nitrogen ambience....
The Suzuki reaction of 50 with 5-formylfuranyl-2-boronic acid (51) formed the C–C bond between the pyridine and the furan rings. Reduction of the resulting adduct with NaBH4 yielded perlolyrine (52, Scheme 10). In the same manner, the Suzuki reaction with tri(m-propyl)phenylborate ...
Conducting the reaction in refluxing ethanol produced higher yields of products than other temperature conditions. • Among various oxidizing agents such as sodium periodate, urea hydrogen peroxide, TBHP, tetrabutylammonium periodate, and hydrogen peroxide, the last one was the best oxidant. The reacti...
The alkoxymercuration of alkenes involves the formation of an organomercury intermediate (I), which is reduced with NaBH4 to give an ether product. For the following reaction, predict the ether product and provide the mechanism formation. Prop...
another work [59] for the preparation of the Fe@Fe2O3/CF (Carbon Felt) with some modifications: the composite cathode was prepared by loading Fe@Fe2O3 on carbon felt by sonication of the CF in a ferric solution, and then the ferric ions were reduced into metallic iron using NaBH4 ...