Alkynes

1

Nomenclature

Acetylene; Monosubstituted alkynes

2

Sources of alkynes

1150 oC

3

4

Acidity of acetylene

5

6

7

Preparation of acetylenes

Functional group transformation; Carbon-carbon bond formation

Alkylation

8

Limitation

9

Double dehydrohalogenation

10

11

Reactions

12

13

14

E radical is more stable

Addition of hydrogen halides

15

16

17

18

19

20

21

22