triphenylphosphine; diethylazodicarboxylate

1: 90 percent / aq. H2SO4; HgSO4 / 3 h / 20 °C 2: PPh3; DEAD / tetrahydrofuran / 2 h View Scheme

4-(N,N-dimethlyamino)pyridine; triethylamine in dichloromethane T=0 - 20°C;

1: furfural; formaldehyd With benzaldehyde lyase; formaldehyde dehydrogenase from Pseudomonas putida; glycerol dehydrogenase from Cellulomonas sp.; thiamine diphosphate-dependent lyase; nicotinamide adenine dinucleotide; magnesium sulfate; Reduced nicotinamide-adenine dinucleotide in 2-methyl tetrahydrofuran pH=8; aq. phosphate bufferEnzymatic reaction; 2: benzoyl chloride With 4-(N,N-dimethlyamino)pyridine; triethylamine in 2-methyl tetrahydrofuran aq. phosphate buffer; optical yield given as percent eeenantioselective reaction;

1: (furan-2-yl)ethylene With AD-mix-α Sharpless asymmetric dihydroxylation; 2: C6H5C(O)X Further stages.;