1: 2,5-dioxotetrahydro-1H-1-pyrrolyl 3,7-dimethyl-6-octenoate With palladium diacetate; sodium carbonate; tri-cyclo-hexyl-phosphine in tetrahydrofuran T=60°C; Inert atmosphere; 2: 2-Methoxyphenyl-dihydroxyborane in tetrahydrofuran; water T=25 - 60°C; Inert atmosphere;

1: 2-methoxybromobenzene With n-butyllithium in tetrahydrofuran; hexane T=-78°C; 0.166667 h; 2: citronellic acid methoxy-methyl-amide in tetrahydrofuran; hexane T=-78 - 20°C;

1.1: carbonyl diimidazole / CH2Cl2 / 0.75 h 1.2: CH2Cl2 2.1: n-BuLi / tetrahydrofuran; hexane / 0.17 h / -78 °C 2.2: tetrahydrofuran; hexane / -78 - 20 °C View Scheme

1.1: n-butyllithium / tetrahydrofuran; hexane / 0.5 h / -78 °C 1.2: 3 h / -78 °C 2.1: palladium diacetate; sodium carbonate; tri-cyclo-hexyl-phosphine / tetrahydrofuran / 60 °C / |Inert atmosphere 2.2: 25 - 60 °C / |Inert atmosphere View Scheme

boron trichloride in dichloromethane T=-78 - 20°C;