Question

The question is fill in the blank:


Diels Alder reactions are __________.


I've already tried the following: -green reaction/ green

-pericyclic / pericyclic reaction -nucleophilic acyl substitution/ nucleophilic acyl substitution cascade reaction - concerted mechanism -sterospecific -reversible -spontaneous -bicyclic / bicyclic compound -cycloaddition -cyclohexane -indispensable / indispensable reaction -biosynthetic -natural -tandem -reactive -nonspontaneous -unique

-conjugated

Answer 1

Diels Alder reactions are __________.

pericyclic reaction

concerted mechanism

sterospecific