Water, as reducing agent

Catalytic hydrocyanalion of acetylenes. Acetylenes are hydrocyanated to saturated secondary nitriles by 1 with excess cyanide ion and either NaBH, (in ethylene glycol) or Zn (in water) as reducing agent. Terminal acetylenes RC=CH afford RCH(CN)CH3 in high yield, whereas internal acetylenes afford a mixture of regioisomers. 

Doping of La2Ti207 with alkaline-earth (Ca, Sr, or Ba) species followed by the deposition of Ag [71] or NiO/Ni [10,72] led to photocatalysts active for CO2 reduction with water as reducing agent [71]. However, the activity reached a... 

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