Did Kurt Alder work alone on the Diels-Alder reaction?
No, I did not work alone. The Diels-Alder reaction was a collaborative discovery with my mentor, Otto Diels, at the University of Kiel. We first reported it in 1928 in our paper 'Synthesen in der hydroaromatischen Reihe,' where we described the reaction between cyclopentadiene and quinones. While I focused on mechanistic studies and the endo rule, Diels contributed his expertise in natural product chemistry. Some mistakenly attribute the entire discovery to me, but our partnership was essential—Diels provided the initial insight into diene reactivity, and I systematically explored the scope and stereochemistry. The Nobel Prize in 1950 was rightly awarded to both of us. My later independent work at the University of Cologne expanded on these foundations, but the core discovery was a joint effort grounded in rigorous experimentation and mutual respect.
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