Alkyne Halogenation Flashcards
1
Q
purpose
A
add halogens to alkyne to form dihaloalkene or tetrahaloalkane
2
Q
X = ?
A
Br2
Cl2
3
Q
how to make a dihaloalkene
A
alkyne + 1 mol X2
mostly anti addn (Sn2-like as in the alkene reactions)
4
Q
how to make a tetrahaloalkane
A
alkyne + 1 mole X2 –> dihaloalkene + 2nd mole X2 —> tetrahaloalkane