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Synthesis and chemistry of benzocyclopropenes

โœ Scribed by Billups, W. Edward

Book ID
121398309
Publisher
American Chemical Society
Year
1978
Tongue
English
Weight
794 KB
Volume
11
Category
Article
ISSN
0001-4842

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## Abstract Preparation of 1, 1โ€difluorobenzocyclopropene **(4)** and of its 2, 5โ€ and 3, 4โ€dideuterio derivatives **4a** and **4b** is reported. Upon ionization in cold fluorosulfonic acid, **4** affords 1โ€fluorobenzocyclopropenium ion **(6)**. ^1^Hโ€ and ^13^Cโ€NMR. spectra of **4** and **6** are a