| 摘要 |
Preparation of 3,3-dimethylbutyric acid (I) comprises reacting 2-oxo-3,3-dimethylbutanoic acid (II) with hydrazine hydrate (optionally in the presence of a diluent) to give the hydrazone (III), which is then treated with a base (again optionally in the presence of a diluent) to give (I). |
