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Title
Japanese:Rhodium-Catalyzed One-Pot Intermolecular [2 + 2 + 2] Trimerization/Asymmetric Intramolecular [4 + 2] Cycloaddition of Two Aryl Ethynyl Ethers and 5-Alkynals. 
English:Rhodium-Catalyzed One-Pot Intermolecular [2 + 2 + 2] Trimerization/Asymmetric Intramolecular [4 + 2] Cycloaddition of Two Aryl Ethynyl Ethers and 5-Alkynals. 
Author
Japanese: Yuta Miyauchi, Keiichi Noguchi, Ken. Tanaka.  
English: Yuta Miyauchi, Keiichi Noguchi, Ken. Tanaka.  
Language English 
Journal/Book name
Japanese:Organic Letters 
English:Organic Letters 
Volume, Number, Page Vol. 14    No. 23    pp. 5856-5859
Published date 2012 
Publisher
Japanese:American Chemical Society 
English:American Chemical Society 
Conference name
Japanese: 
English: 
Conference site
Japanese: 
English: 
DOI https://doi.org/10.1021/ol3027158
Abstract It has been established that a cationic Rh(I)/(R)-H8-BINAP complex catalyzes the one-pot intermol. [2+2+2] trimerization/asym. intramol. [4+2] cycloaddn. of two aryl ethynyl ethers and 5-alkynals to produce annulated 1,4-cyclohexadienes possessing two stereogenic centers. E.g., rhodium-catalyzed reaction of 2-(ethynyloxy)naphthalene and MeC竕｡CCH2NTsCH2CHO gave 64% annulated 1,4-cyclohexadiene deriv. (I). [on SciFinder(R)]

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