Borohydrides, Organoboranes, Reducing agents). ...
... borohydrides MeSH D01.132.250.075 - borates MeSH D01.139.300.050 - bromides MeSH D01.139.300.050.100 - cyanogen bromide MeSH ...
... and then ketone reduction with sodium borohydride produce an intermediate from which many monosaccharides can be synthesised. ...
... sodium borohydride, catalytic reduction, zinc / acetic acid, and iron / acetic acid. Pyridine N-oxides can be deoxygenated by ...
Gliburnide is an endo-endo derivative made from camphor-3-carboxamide by borohydride reduction (exo approach), followed by ...
Other reducing agents are lithium aluminium hydride and sodium borohydride. The asymmetric reduction of imines has been ...
Sodium borohydride - NaBH4 Sodium bicarbonate - NaHCO3 Citric acid - C3H5O(COOH)3 Cobalt chloride - CoCl2 (catalyst) The ...
Sodium borohydride can be used but requires a larger excess of reagents and lower temperatures due to it having a higher ... result in the creation of cyanated tryptamine and beta-carboline byproducts of unknown toxicity while using sodium borohydride ...
... aqueous solution of sodium borohydride, all of which is contained in a glass vessel. The volatile hydride generated by the ...
12 H2 An alternative more efficient route begins with sodium borohydride and ammonium sulfate: 6 NaBH4 + 3 (NH4)2SO4 → 2 B3N3H6 ... 3 Reduction with sodium borohydride The addition reaction with bromine does not require a catalyst. Borazines undergo ...
... sodium cyanoborohydride and sodium triacetoxyborohydride are poorer reducing agents than sodium borohydride, and their direct ...
Deprotection (TBAF) to diol 3.3, reprotection as the benzaldehyde acetal 3.4 and reduction (sodium borohydride) to alcohol 3.5 ...
... with potassium borohydride (KBH4) in a solution with potassium cyanide and acetic acid. Yields of 70% are typical and the ...
Examples include the greater relative chemoselectivity of sodium borohydride versus lithium aluminium hydride for the organic ...
... organic reduction with sodium borohydride, and hydrolysis with Mercury(II) chloride in water. Thiazoles can react in ...
... with beryllium borohydride, Be(BH4)2: Be(BH4)2 + 2 PPh3 → BeH2 + 2 Ph3PBH3 Isolated molecules of BeH 2 (sometimes called ...
After a complex has formed, a reducing agent such as sodium borohydride is introduced in a high molar excess and the metal ions ...
... is reduced with sodium borohydride and the resulting oxazine (a hemiaminal) hydrolyzed with water and oxalic acid to the ...
The final reduction reaction uses sodium borohydride, which in cold methanol gives almost exclusively the diastereomer pair ...
It is more conveniently prepared in two steps from sodium borohydride. First the borohydride is converted into a triborate ...
... then undergoing a Jocic reaction with either sodium borohydride or sodium phenylseleno(triethoxy)borate as the nucleophile in ...
2 The sodium borohydride method obeys the following stoichiometry: NaBH4 + 8 NaOH + 8 SO2 → 4 Na2S2O4 + NaBO2 + 6 H2O Each ...
... ketones to enantiomerically pure secondary alcohols in conjunction with the use of the mild reducing agent sodium borohydride. ...
It can also be prepared by treatment of the borohydride complex with hydrogen bromide: Zr(BH4)4 + 4 HBr → ZrBr4 + 4 H2 + 2 B2H6 ...
... tetroxide and lead tetraacetate with ring-opening and finally reduction of the aldehyde to the alcohol with sodium borohydride ...
... and the borohydride (first prepared in the Manhattan Project) has coordination number 14. These thorium salts are known for ...
Recently it has been found that Ni 3B can be formed (together with other nickel borides) by heating sodium borohydride with ... "The nature of the nickel boride formed by the action of sodium borohydride on nickel salts". Inorganic Chemistry, volume 3, ... "catalyst to 250 °C. This catalyst is produced by reduction of nickel salts with sodium borohydride. Trinickel boride can be ...
Reaction of 5-NSA with acetoacetate decarboxylase and subsequent reduction of the resulting Schiff base with sodium borohydride ...
... co-discovered sodium borohydride in 1940 Frank Schlesinger - astronomer Alfred Schütz - philosopher/sociologist Rusty ...
... can be made by reducing selenium with sodium borohydride: Se + NaBH4 → NaSeH + BH3(g) Alternatively it can ...