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by | Mar 20, 2018 | Vitis

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Tetraacetyl Diborate crystals observed under a microscope.

Tetraacetyl diborate is an organoboron compound with the molecular formula (CH3COO)2BOB(CH3COO)2.

Preparation

It is not well known and was discovered accidentally by an attempt trying to make boron triacetate in the 1950s. It was made by reacting boric acid and acetic anhydride around 75 °C (167 °F) under nitrogen which created tetraacetyl diborate and acetic acid. It crystallized as a colorless solid.[1]

2H3BO3 + 5(CH3CO)2O → (CH3COO)2BOB(CH3COO)2 + 6CH3COOH

Reactions

Tetraacetyl diborate reacts with methanol to form water and diacetyl methoxyboron.[1]

References

  1. ^ a b c R. G. Hayter; A. W. Laubengayer; P. G. Thompson (1957). "Tetraacetyl Diborate and So-Called "Boron Acetate"". Journal of the American Chemical Society. 79 (15): 4243–4244. doi:10.1021/ja01572a075.
  2. ^ "Tetraacetyl diborate". PubChem. Retrieved 18 February 2021.
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