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Effect of cyclopentenone annelation on a cycloheptatriene - norcaradiene equilibrium

✍ Scribed by Mitsunori Oda; Hidemasa Horiguchi; Yoshimi Masaki; Yukinari Sakamoto; Shigeyasu Kuroda


Book ID
104589827
Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
183 KB
Volume
115
Category
Article
ISSN
0165-0513

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## Abstract A novel cyclopentenone ring annelation reaction is described. The treatment of the nitro compound **13** with aqueous sodium hydroxide in the presence of a phase‐transfer catalyst furnished **14a** in one step. Similar treatment of **7** led to **8**, the reaction of which with __t__‐Bu