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[ÇóÖú] ÇóÖú£ºÓÐÒ»¶ÎµÂÎÄÎÄÏ×£¬ÓÐÄÄλ´óϺ¿ÉÁ¯¿ÉÁ¯ÎÒ£¬°ï·­ÒëһϵIJ»

Wird  Tetrahydro-chinolin  in  der  25-fachen  Menge  konzentrierter
Schwefelsiiure  kalt  geloot  und  bei  Oo  langsarn  rnit  der  Losung  von
1  Mol.  Salpetersaure  (1.475)  in  der  zehnfachen  Menge  Schwefelsaure
Yersetzt,  so  erhklt  man,  wenn  man  nach  3-stundigem  Stehen  mit  Eis
verdiiont  und  rnit  Soda  unter  guter  Kiihlung  neutralisiert,  die  in  der
Uherschrift  genannte  Base  (deren  Konstitution  in  Abschnitt  IV  be-
wiesen  wid)  als  langsani  erstarrendes,  rotes  01.  Man  nimmt  am
besten  mit  Ather  auf,  trocknet  iiber  Kaliumcarbonat,  konzentriert
stark  und  setzt  langsam  Petrolather  zu : das  Nitro-tetrahydro-chinolin
scbeidet  sich  dabei  in  Form  einer  gelbroten  Krystallmasse  :tb  und  ist
nach  kurzem Trocknen  analysenrein.  Die Ausbeute  kommt  der  theo-
retischen  sehr  nahe.

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