Goldberg published research on using copper as a catalyst to prepare a phenyl derivative of thiosalicylic acid, a key variant of the Ullmann reaction later named after her.
In 1904, Irma Goldberg published a paper describing the use of copper as a catalyst in the preparation of a phenyl derivative of thiosalicylic acid. This work represented a critical refinement of the coupling methodology being developed in Fritz Ullmann's research circle, demonstrating that copper could effectively mediate carbon–heteroatom bond formation under laboratory conditions accessible to contemporary chemists.
This publication is historically significant because it laid the direct groundwork for what would become known as the Goldberg reaction and, in combination with related work, the Jourdan–Ullmann–Goldberg reaction — copper-catalyzed methods for forming carbon–nitrogen bonds between aryl halides and amides or amines. These reactions became indispensable tools in synthetic organic chemistry, enabling the efficient construction of arylamine compounds used in dyes, pharmaceuticals, and agrochemicals throughout the twentieth century and beyond.
That a woman chemist's name became permanently attached to a named reaction in this era was extraordinarily rare; the vast majority of named organic reactions from this period bear only male chemists' names, and Goldberg is among a small handful of women whose contributions were substantial enough to be preserved in the nomenclature of the field, despite the systemic barriers women faced in gaining recognition, professorships, and independent research credit at the time.
While the exact month and day of publication are not preserved in accessible sources, this 1904 paper stands as one of the two firmly documented milestones in her scientific record.