Dear all,
I learned that hydrogen gas was generated from imine reduction using NaBH4, sodium borohydride.
However, when I check the mechanism of that, hydrogen gas was not generated.
Then, what was the gas that formed from reaction? or if it was hydrogen, what is the mechanism? Thanks!
Hi, hydrogen gas cannot be generated in the imine reduction process. As you pointed out, the mechanism does not fit with this hydrogen release. Maybe, you learned that hydrogen gas can be produced during the process due to the NaBH4 degradation (if water traces are present in the reaction media). Any source of protons would react with the hydride.
See for example:
https://www.icheme.org/communities/subject_groups/safety%20and%20loss%20prevention/resources/hazards%20archive/~/media/Documents/Subject%20Groups/Safety_Loss_Prevention/Hazards%20Archive/XII/XII-Paper-38.pdf
Oh thank you Ignacio!
I misunderstood these things but now I fully understand that of mechanism. Thank you again and have a good day!
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