1-Adamantanecarboxylic acid is an organic compound with the formula (CH2)6(CH)3(CCO2H).

A white solid, it is the simplest carboxylic acid derivative of adamantane.

The compound is notable for its synthesis by carboxylation of adamantane.

[1] 1-Adamantanecarboxylic acid is unusual in forming mononuclear tris(carboxylate) coordination complexes of the formula [M(O2CR)3]− (M = Mn, Ni, Co, Zn).

[2]