Synthesis of 1,2-diols ethers, condensation products of glyoxal with nitrogen-containing nucleophiles: I. Reaction of cyclic sulfites with primary alcohols and glycols
摘要:
In reactions of 4,5-diacetoxy-2-(dinitromethylene)imidazolidine, 4,5-diacetoxy-2-nitriminoimidazolidine, and 1,2-diacetoxy-1,2-bis(chloroacetylamino)ethane with thionyl chloride at room temperature the corresponding cyclic sulfites were obtained. Treating the sulfites with methanol, ethanol, and 2-chloroethanol at room temperature we prepared acyclic ethers in 80-90% yields. Similarly cyclic ethers were synthesized from ethylene glycol and 1,3-propanediol in 50-60% yields.