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1 H NMR Study on the Isomerization of 2,4,6-Triphenyl-4H-Seleno(Thio)Pyrans

✍ Scribed by Smushkin, Mikhail I.; Kharchenko, Valentina G.; Drevko, Boris I.

Book ID: 120257371
Publisher: Taylor and Francis Group
Year: 1998
Tongue: English
Weight: 193 KB
Volume: 136
Category: Article
ISSN: 1042-6507
DOI: 10.1080/10426509808546010

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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