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Ring opening reactions of benzocyclobutene and derivatives

โœ Scribed by Frederick R. Jensen; William E. Coleman; Alvin J. Berlin

Book ID
104211745
Publisher
Elsevier Science
Year
1962
Tongue
French
Weight
165 KB
Volume
3
Category
Article
ISSN
0040-4039

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โœฆ Synopsis

IN an earlier paper' it was shown that 1,2-dlphenylbenzocyclobutene (I) readily reacts with dlenophiles at room temperature.

For example, with malelc anhydride, l,&dlphenylnaphthalene-2,3-dicarboxylic anhydride (II) Is obtained in almost quantitative yield. This ring opening reaction has been found to be general for benzocyclobutenes,

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โœ Prof. Dr. Adalbert Maercker; Willi Berkulin; Prof. Dr. Peter Schiess ๐Ÿ“‚ Article ๐Ÿ“… 1983 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 221 KB ๐Ÿ‘ 2 views

d at room temperature under an inert gas atmosphee. The color of the reaction mixture changes from yellow to red-brown. The crude product is filtered off and recrystallized from CH,0H/CH2C12; yield ca. 51%.