Definition of Diels–Alder reaction in English:

Diels–Alder reaction

noun

Chemistry
  • An addition reaction in which a conjugated diene reacts with a compound with a double or triple bond so as to form a six-membered ring.

Origin

1940s: named after Otto Diels (1876–1954), and Kurt Alder (1902–58), German chemists.

Pronunciation

Diels–Alder reaction

/diːlzˈɔːldə/