1: tris(ethoxyvinyl)borane With diethylzinc in toluene T=-78°C; 0.333333 h; Inert atmosphere; 2: furfural in toluene T=-78 - 20°C; 14 h; Inert atmosphere; Further stages;

1: tris(ethoxyvinyl)borane With diethylzinc in toluene T=-78°C; 0.333333 h; Inert atmosphere; 2: benzaldehyde in toluene T=-78 - 20°C; 14 h; Inert atmosphere; 3: With hydrogenchloride; water in diethyl ether; toluene T=0°C; pH=> 4; Inert atmosphere;

1: tris(ethoxyvinyl)borane With diethylzinc in toluene T=-78°C; 0.333333 h; Inert atmosphere; 2: 3-phenyl-propionaldehyde in toluene T=-78 - 20°C; 14 h; Inert atmosphere; 3: With hydrogenchloride; water in diethyl ether; toluene T=0°C; pH=> 4; Inert atmosphere;

1: tris(ethoxyvinyl)borane With diethylzinc in toluene T=-78°C; 0.333333 h; Inert atmosphere; 2: benzophenone in toluene T=-78 - 20°C; 14 h; Inert atmosphere; 3: With hydrogenchloride; water in diethyl ether; toluene T=0°C; pH=> 4; Inert atmosphere;

1: tris(ethoxyvinyl)borane With diethylzinc in toluene T=-78°C; 0.333333 h; Inert atmosphere; 2: cyclohexanone in toluene T=-78 - 20°C; 14 h; Inert atmosphere; 3: With hydrogenchloride; water in diethyl ether; toluene T=0°C; pH=> 4; Inert atmosphere;

1: tris(ethoxyvinyl)borane With diethylzinc in toluene T=-78°C; 0.333333 h; Inert atmosphere; 2: 3,3-dimethyl-butan-2-one in toluene T=-78 - 20°C; 14 h; Inert atmosphere; 3: With hydrogenchloride; water in diethyl ether; toluene T=0°C; pH=> 4; Inert atmosphere; optical yield given as percent de;

1: tris(ethoxyvinyl)borane With diethylzinc in toluene T=-78°C; 0.333333 h; Inert atmosphere; 2: oct-2-ynal in toluene T=-78 - 20°C; 14 h; Inert atmosphere; 3: With hydrogenchloride; water in diethyl ether; toluene T=0°C; pH=> 4; Inert atmosphere;

1: tris(ethoxyvinyl)borane With diethylzinc in toluene T=-78°C; 0.333333 h; Inert atmosphere; 2: phthalic carbaldehyde in toluene T=-78 - 20°C; 14 h; Inert atmosphere; 3: With hydrogenchloride; water in diethyl ether; toluene T=0°C; pH=> 4; Inert atmosphere;

1: tris(ethoxyvinyl)borane With diethylzinc in toluene T=-78°C; 0.333333 h; Inert atmosphere; 2: furan-3-carboxaldehyde in toluene T=-78 - 20°C; 14 h; Inert atmosphere; Further stages;