Definition of Diels–Alder in English:

Diels–Alder

noun

Chemistry
  • Used attributive with reference to a synthetic method involving the addition of a conjugated diene to a compound with a double or triple bond so as to form a six-membered ring; especially in "Diels–Alder reaction." Compare "diene synthesis".

Origin

1930s; earliest use found in Journal of the Chemical Society. From the names of Otto Diels and Kurt Alder, German chemists, who described such reactions in a series of papers beginning in 1928 ( Ann. der Chem 460 98–122).

Pronunciation

Diels–Alder

/diːlzˈɔːldə/