"Regioselective propargylation of aldehydes using potassium allenyltrifluoroborate promoted by tonsil"Turns out, the authors were referring to Tonsil (R), an acid-treated calcium bentonite clay, not the fleshy pockets in the back of the throat associated with immune response. I guess BRSM doesn't have to update his "Desperate Conditions" list quite yet...
So, in summary:
This.
Source: Sud-Chemie |
Not This.
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