1: N'-(1-ethylpropylidene)-N,N-diethyl-1,2-ethanediamine in tetrahydrofuran T=80°C; 2: monofluorocyclohexane in tetrahydrofuran T=65°C; 36 h; 3: With acetic acid in tetrahydrofuran; water T=50°C; Further stages.;

sodium dichromate; sulfuric acid in water; benzene

(2,6-t-Bu2-4-Me-C6H2O)2AlMe in dichloromethane T=-78°C; 1 h; Yield given. Further byproducts given. Yields of byproduct given;

in methanol; diethyl ether T=0°C; 2 h; Yield given. Further byproducts given. Yields of byproduct given;

(2,6-t-Bu2-4-Me-C6H2O)2AlMe in dichloromethane T=-78°C; 1 h; without organoaluminum promotor; Product distribution;