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Thermal isomerization of 1,2,4,5, 5-pentamethylcyclopenta diene into 1,2,3,4, 5-pentamethyl-cyclopentadiene

✍ Scribed by V. A. Mironov; V. S. Pashegorova; T. M. Fedeeva; A. A. Akhrem

Book ID: 112435959
Publisher: Springer
Year: 1968
Tongue: English
Weight: 280 KB
Volume: 17
Category: Article
ISSN: 1573-9171
DOI: 10.1007/bf00914663

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## Abstract It has been shown that the reaction of the title ketone with phosphorous pentachloride leads to regiospecific chlorine transfer to the diene moiety of the molecule, leaving the carbonyl function intact. Attempted acetalization with ethylene glycol did not give the dioxolane but rather 1