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キーワード:
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要旨:
Synthesis of multifiden and of 2 of its structural isomers is described. Regioselective addition of dihalogenoketenes to the dimeric cyclopentadiene to yield 4a/b [5,5-dichlortetracyclo[7.2.1.2.0.0]dodec-10-en-4-on and isomer] or 5a/b[5,5-dibromotetracy