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A facile synthesis of 2,6-bis-trialkylsilyl-4H-pyranes from 1,5-bis-acylsilanes

✍ Scribed by Damien Saleur; Jean-Philippe Bouillon; Charles Portella

Publisher
Elsevier Science
Year
1999
Tongue
French
Weight
118 KB
Volume
40
Category
Article
ISSN
0040-4039

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## Abstract magnified image 2,6‐Bis(1__H__‐indole‐6‐yl)‐4__H__‐pyran‐4‐one **4** was synthesized __via__ Leimgruber–Batcho methodology starting from 2,6‐bis(4‐methyl‐3‐nitrophenyl)‐4__H__‐pyran‐4‐one **2**. Enamine intermediate in this reaction, **3**, reacts with aroyl chlorides in the presence o