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Nachweis und Bestimmung organischer Verbindungen (2. Band)

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fullscreen: Nachweis und Bestimmung organischer Verbindungen (2. Band)

Multivolume work

Persistent identifier:: 1670259072

Author:: Meyer, Hans

Title:: Lehrbuch der organisch-chemischen Methodik

Type of content:: Lehrbuch

Year of publication:: 1922

Place of publication:: Wien

Publisher of the original:: Verlag von Julius Springer

Identifier (digital):: 1670259072

Language:: German

Additional Notes:: Bände 1-3,2 erschienen von 1922-1940

Document type:: Multivolume work

Volume

Persistent identifier:: 1670273296

Author:: Meyer, Hans

Title:: Nachweis und Bestimmung organischer Verbindungen

Sub title:: mit 11 Abbildungen

Scope:: XII, 426 Seiten

Type of content:: Lehrbuch

DOI:: 10.14463/KXP:1670273296

Year of publication:: 1933

Place of publication:: Berlin

Publisher of the original:: Verlag von Julius Springer

Identifier (digital):: 1670273296

Illustration:: Illustrationen

Signature of the source:: a 368(2)

Language:: German

Usage licence:: Public Domain Mark 1.0

Publisher of the digital copy:: Technische Informationsbibliothek Hannover

Place of publication of the digital copy:: Hannover

Year of publication of the original:: 2019

Document type:: Volume

Collection:: Chemistry

Chapter

Title:: 88. [...]-Hexylenaldehyd.

Document type:: Multivolume work

Structure type:: Chapter

Contents

Table of contents

Full text

> 88 .— 
schwach gelbe Spindeln. m-N3trobenzhydrazid : sphärische oder zellenartige Kry- 
stallfelder. p-Nitrobenzhydrazid: sehr feine, gelblichgraue, groBe Nadelbüschel. 
— Dimethon siehe oben. 
CHO M.G.70 
C 68,6% 
H 8,6 % 
  
  
  
  
  
88. x 8-Hexylenaldehyd. 
F0 — CH, CH, CH, CH: CH-CÉH. 
Farbloses, eigentümlich scharf riechendes Ól, Kp.,; 47—48° (unter schwacher 
Zersetzung). Mit Wasserdampf flüchtig. 
Nachweis. Reaktion von SCHRYVER-RrmIN1! S. 48. Man läBt Phenylhyadrzin 
einwirken und oxydiert dann mit Ferricyankalium und Salzsáure. Schón violett- 
rote Fárbung?. 
p-Nitrophenylhydrazon?. Rotbraune Blättchen mit metallischem Oberflächen- 
schimmer. F.137° (aus Alkohol). 
m-Nitrobenzhydrazon?. F'arblose, blätterige Krystalle, F. 112—113° (aus Li- 
groin-Benzol). Mischungsschmelzpunkt mit m-Nitrobenzhydrazid (F. 112,5°) 90°. 
Zur Reinigung des Aldehyds geeignet. 
Oxydation? in wüsserig-alkoholischer Lósung mit Silberoxyd liefert x /-Hexy- 
lensáure. Flache Nadeln, F.32—33*? (aus Petroláther durch Ausfrieren). 
89. Mesityloxyd. 
C. Hao0  CH;-CO - CH : (CH... 
Honigartig riechende Flüssigkeit?, Kp.,, 129—129,5* *. 
Naehweis. Semicarbazon?. F.164^. 
Semioxamazon$. Platten, F.163—164? (aus Alkohol). 
p-Nitrophenylhydrazonë. F.207°. 
Oxim”. Strahlige Blätter, F.49?. Chlorhydrat, Nadeln, F. 123? (u. Zers.). 
Bromhydrat, F. 129? (u. Zers.). 
2, 4- Dinitrophenylhydrazon?. F. 200°, Karmoisinrote Krystalle. 
  
CH,0 M.G.98 
C 73,5% 
H 10,2% 
  
  
  
  
90. Methylheptenon. 
C,Hyu0 — CH,- CO- CH, - CH, - CH: C(CH;),. 
Nach Amylacetat riechende Flüssigkeit?, Kp. 173?!9, Kp.,; 66°11 
Nachweis. Semicarbazon!?. F.136—138? (aus verd. Alkohol). 
p-Nitrophenylhydrazon'®. Hellgelbe Nadeln, F. 103,5—104°. 
2, 4-Dinitrophenylhydrazon. Rotorange Krystalle, F. 81°8. 
1 CunTIUS, FRANZEN: A. 390, 99 (1912). 
2 WILLSTATTER, STOLL: Ass. d. Kohlensdure 1918, 390. 
? FrrTIG: A. 110, 34 (1859). 
^ AUWERS, EISENLOHR: J. pr. (2) 82, 124 (1910). 
5 WıLson, HEILBRON: Soc. 103, 378 (1913). 
6 WILSON, PICKERING: Soc. 123, 396 (1923). 
" HannrEs, GnEvy: B. 32, 4571 (1899). 8 ALLEN: Am. soc. 52, 2958 (1930). 
9 WALLACH: A. 258, 324 (1890). 10 PRILESHAJEW: Russ. 43, 615 (1911). 
11 Schimmel 1912 I, 173. 2 TIEMANN, KRÜGER: B. 28, 2124 (1895). 
13 NEUBERG, LEVITE: Bioch. 91, 257 (1918). 
      
  
  
  
    
    
   
   
  
  
  
  
  
  
   
  
  
  
  
  
  
   
  
   
  
  
   
   
  
   
   
    
   
  
  
   
  
   
   
  
  
  
  
  
  
  
  
  
    
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