Introduction 1418 1.1. List of Common Ligands 1419 2. Alkylzinc Reagents 1419 2.1. Synthesis of Alkylzinc Reagents 1419 2.2. Stability of Alkylzinc Reagents 1420 2.3. Cross-Coupling Reactions of Alkylzinc Reagents 1421 2.4. Palladium-Catalyzed Cross-Coupling Reactions of Alkylzinc Reagents 1423 2.4.1. Palladium-Catalyzed C(sp 2 )-C(sp 3 ) Negishi Coupling with Alkylzinc Reagents 1423 2.4.2. Palladium-Catalyzed C(sp 3 )-C(sp 3 ) Negishi Coupling with Alkylzinc Reagents 1427 2.4.3. Palladium-Catalyzed C(sp)-C(sp 3 ) Negishi Coupling with Alkylzinc Reagents 1428 2.4.4. Formation of Ketones via Palladium-Catalyzed Negishi Coupling with Alkylzinc Reagents 1429 2.5. Nickel-Catalyzed Cross-Coupling Reactions of Alkylzinc Reagents 1429 2.5.1. Nickel-Catalyzed C(sp 2 )-C(sp 3 ) Negishi Coupling with Alkylzinc Reagents 1429 2.5.2. Nickel-Catalyzed Carboxylations with Alkylzinc Reagents 1430 2.5.3. Nickel-Catalyzed C(sp 3 )--(sp 3 ) Negishi Coupling with Alkylzinc Reagents 1430 2.5.4. Mechanistic Insights in Nickel-Catalyzed Cross-Couplings 1433 3.