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The synthesis of the 1,4-azarsenanium salts 3 and 6 is discribed. Conformation and configuration of the 1,4-oxa- and -azarsenanium salts have been studied via  1 H and  13 C NMR spectroscopy.

1 H- und 13 C-NMR-spektroskopische Untersuchung an 1.4-Heteroarsenaniumsalzen / 1 H and 13 C NMR Spectroscopy of 1,4-Hetero-arsenanium Salts