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a-Dihydrojonyl-formaldehyd
In 750  ccm  abs.  Toluol  wurden 51 g  Natrium  zerstciubt,  der  Mischung 6 ccm  abs. Alkohol zugesetzt und  bei  18'  ein  Gemisch von  400  g  a-Dihydrojonon  und  260  g  Chlor- wigester innerhalb von  4,5  Stdn. zugetropft.  Man  lie0  3  Stdn. nachriihren. Nach Zersetzung  mit Wasser und  uhlicher  Aufarbeitung  wurden 530  g  roher  Glycid- ester gewonnen.  Dieaen  verse&  man,  citherte die indifferenten  Anteile au8  und  erhielt nach Ansciuern mit Essigsciure und  Aufarbeitung 449  g  rohe Glycidsciure. Die  Spahung der  Glycidsciure  wurde  dnrch  Eintropfen in  einen  auf  180-  200"  erhitzten  Kolben  hei 20 Torr  vorgenommen. Die  Fraktionierung deti  Rohproduktea  egab  287  p Aldehyd oder  62.50,;  d.  Th. Kp,,,,,  12.7-124";  d,,  0,9276;  n?  1,4811.

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4Â¥: Originally posted by liugwtiger at 2012-10-22 20:13:52
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