Making Trimethoxyboroxine from CO2

Making Trimethoxyboroxine from CO2

Author: Xin Su

A major contributor to global warming and a cause of acid rain, carbon dioxide, is on the other hand a promising C1 building block for fuels and chemicals through reductive transformations.

During their study using transition metals to reduce CO2 with BH3, Tsutomu Mizuta and colleagues, Hiroshima University, Higashi-Hiroshima, Japan, discovered a more straightforward route to serve that purpose. When they treat commercially available BH3•THF solution stabilized with 0.5 mol% NaBH4 with 1 atm CO2 at room temperature, they obtain trimethoxyboroxine in 87 % yield. The reaction is presumably catalyzed by the BH4 anion.

As a new preparation method for trimethoxyboroxine, a common electrolyte additive, this process only requires inexpensive commercial reagents, and does not necessitate any catalyst, making it both convenient and atomically economic.


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