Source: wikibot/syn-and-anti-addition
= Syn and anti addition
{wiki=Syn_and_anti_addition}
Syn and anti addition refer to the specific orientations of the addition of reactants across a double bond in organic molecules. These terms are especially important in the context of stereochemistry, the study of the three-dimensional arrangements of atoms within molecules. 1. **Syn Addition**: - In syn addition, the two substituents are added to the same side (or face) of the double bond.