5-XCH2-1-Methoxytetrazoles.

Reaction of HN3 with hydroxyethylnitrolic acid yielded 5-hydroxymethyl-1-hydroxytetrazole, from which were prepared by methylation and further conversions hitherto unknown 5-XCH2-1-methoxytetrazoles, in which X = Cl, Br, I, OH, NO3, and N3.