air; potassium chloride; water; tetraethylammonium hydroxide; triphenylphosphine multistep reaction: 1) 37 deg C, 22 h, CHCl3; 2) aq. ether; title compound was oxidized also in mixtures with varying proportions of 1,2-dipalmitoylglycerophosphatidylcholine; Product distributionMechanism;

4-(N,N-dimethlyamino)pyridine; dicyclohexyl-carbodiimide in dichloromethane T=20°C; 40 h; Inert atmosphere;

pyridine in chloroform

4-(N,N-dimethlyamino)pyridine; dicyclohexyl-carbodiimide Yield given. Yields of byproduct given. Title compound not separated from byproducts;

(i) POCl3, Py, (ii) /BRN= 3563126/, Py; Multistep reaction;

Multistep reaction;