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Synthesis of aryl-β-chlorovinyl ketones

✍ Scribed by A. N. Nesmeyanov; N. K. Kochetkov; M. I. Rybinskaya


Book ID
112491644
Publisher
Springer
Year
1954
Tongue
English
Weight
204 KB
Volume
3
Category
Article
ISSN
1573-9171

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Doubly Vinylogous 4H-Pyrones from Pyryli
✍ Balaban, Alexandru T. ;Fahmy, Mahmoud ;Gheorghiu, Mircea D. ;Wray, Victor 📂 Article 📅 1983 🏛 John Wiley and Sons 🌐 English ⚖ 549 KB

## Abstract Aryl β‐chlorovinyl ketones react with the methyl group of 2,6‐di‐__tert__‐butyl‐4‐methylpyrylium perchlorate in the presence of pyridine to yield doubly vinylogous 4__H__‐pyrones **3**. Only one configuration and conformation from the eight possible structures appears to be present acco