{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

chap9 - Chap 9 Alkynes 1 Nomenclature replace-ane with-yne...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Chap 9 Alkynes 1. Nomenclature- replace -ane with -yne. miners lamps CaC 2 + 2H 2 O C 2 H 2 + Ca(OH) 2 lights methane in the mines. 2. Formation of acetylide ions acidic proton Acidity - sp 3 < sp 2 < sp close to nucleus- charge less charge separation Need - NH 2 to pull off H . NaNH 2 = sodium amide a) Can use acetylide ion as a nucleophile. Alkylation b) can act as a base R C C H R C C - + R '-X S n2 R C C R ' +X - C C H + C H 3 B r N aNH 2 C C CH 3 + B r - R C C - E 2 B r + R C C H + + B r -
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon