Cyclic acetals of 4,1',6'-trichloro-4,1',6'-trideoxy-galacto-sucrose and their conversion into methyl ether derivatives.

Article abstract of DOI:10.1016/0008-6215(90)84298-9

The acid-catalysed reaction of 4,1',6'-trichloro-4,1',6'-trideoxy-galacto- sucrose (1) with 5.5 equiv. of 2-methoxypropene in N,N-dimethylformamide followed by acetylation gave 3',4'-di-O-acetyl-4,1',6'-trichloro-4,1',6'-trideoxy-2,3-O- isopropylidene-6-O