a.1.(Chem.) Pertaining to, or designating, an organic acid (called also propargylic acid) of the acetylene or tetrolic series, analogous to propionic acid, and obtained as a white crystalline substance.
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Conventional (Uracil-1): Propiolic acid (5 g) was added to stirred solution of urea (4.
0 mL) were stirred at room temperature and propiolic acid (1.
Vollhardt also employed a cycloaddition reaction, but in this case, it was a metal-mediated [2 + 2 + 2] cycloaddition, which led to the shortest overall route, 14 steps from propiolic acid.