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    • 5. 发明授权
    • Substituted diaziridines and diazirines
    • 取代的DIAZIRIDINES和DIAZIRESES
    • US3682889A
    • 1972-08-08
    • US3682889D
    • 1970-03-02
    • DU PONT
    • SAUER ROBERT J
    • C07D471/10C07D23/00C07D57/00
    • C07D471/10
    • ALICYCLIC PRIMARY AMINES ARE REACTED WITH ALKALI METAL OR TERTIARY ALKYL HYPOHALITES AND THE RESULTING PRODUCT IS REACTED WITH AMMONIA TO PRODUCE DIAZIRIDINES. THE DIAZIRIDINES CAN BE DEHYDROGENATED BY MEANS OF AN ALKALI METAL HYPOHALITE TO PRODUCE THE CORRESPONDING DIAZIRINE THAT FUNCTION AS BLOWING AGENTS FOR FOAMING POLYCAPROLACTAM, POLYVINYL CHORIDE, POLYETHYLENE AND OTHER SUCH POLYMERS. THE COMPOUNDS HAVE THE FORMULA

      X
      WHEREIN Y IS SELECTED FROM THE GROUP CONSISTING OF

      -NH-NH-, AND -N=N-

      X IS R-Z, WHEREIN Z IS SELECTED FROM THE GROUP CONSISTING OF

      >N-, AND -CO-CH
      PROVIDED THAT WHEN Z IS

      >N-

      R IS A HYDROCARBON RADICAL OF FROM 1 TO 10 CARBON ATOMS FREE OF OLEFINIC UNSATURATION AND PROVIDED FURTHER THAT WHEN Z IS

      -CO-CH
      Y IS

      -NH-NH-

      AND R IS SELECTED FROM THE GROUP CONSISTING OF R''O-AND R''R"N-WHEREIN R'' AND R" ARE HYDROCARBON RADICALS OF FROM 1 TO 10 CARBON ATOMS FREE OF OLEFINIC UNSATURATION, AND WHEN Y IS

      -N=N-

      R IS SELECTED FROM THE GROUP CONSISTING OF R''O-, R''NHAND R''R"N-WHEREIN R'' AND R" ARE HYDROCARBON RADICALS OF FROM 1 TO 10 CARBON ATOMS; CHLORINE; OM, WHEREIN M IS ALKALI METAL; OH, AND NH2.