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Bridged Tetraquaternary Salts from N , N ‘-Polyfluoroalkyl-4,4‘-bipyridine

✍ Scribed by Singh, Rajendra P.; Shreeve, Jean'ne M.


Book ID
124066208
Publisher
American Chemical Society
Year
2003
Tongue
English
Weight
100 KB
Volume
42
Category
Article
ISSN
0020-1669

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## Abstract __N__‐Alkyl‐5‐aminoisoquinolinium salts (**8a‐d**) are converted into indole‐4‐carboxaldehydes (**1a‐c**) on heating in a two phase alkyl acetate‐water system containing an excess of a 2:1 sodium bisulfite‐sodium sulfite mixture. 4‐Acetylindole **1e** is prepared in the same way from 1‐