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Patent / Jan 01, 1975

Tetracycline derivatives

Authors:
  • Ivan Villax
Source:
GB 1463726

Doxycycline and alkali hydroxides were added to freshly prepd. metaphosphoric acid to give the following complexes (C22H24N2O8)n.(MPO3)m.(HPO3)p (M, n, m, and p given): Na, 5, 1, 5; Na, 4, 2, 4; K, 5, 1, 5. The polymetaphosphate complexes prepd. are useful as bactericides.

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