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Oxidative Dehydrogenation of 9,10-Dihydroanthracene Catalyzed by 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone/NaNO2

✍ Scribed by Wei ZHANG; Hong MA; Lipeng ZHOU; Hong MIAO; Jie XU

Book ID
108499170
Publisher
Elsevier Science
Year
2009
Weight
368 KB
Volume
30
Category
Article
ISSN
1872-2067

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Stereochemistry of Dehydrogenation of 1,4,-Cyclohexadiene with 2,3-Dichloro-5,6-dicyano-p-benzoquinone
✍ Paul Müller; Daniel Joly; François Mermoud 📂 Article 📅 1984 🏛 John Wiley and Sons 🌐 German ⚖ 438 KB

## Abstract __cis__‐ and __trans__‐(3,6‐D~2~)‐1,4‐cyclohexadienes **1a** and **1b** have been synthesized from __cis__‐3,4‐dichlorocyclobutene (5). Aromatization to benzene with DDQ is __cis__‐stereospecific with an uncertainty of 5%. This result is discussed in relation to concerted or stepwise me