Effect of the Alkyl Substituents on the Rh Catalyzed Cyclization of 4 Penten 1 als
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Abstract
Effect of the alkyl substituents on the cyclization of 4 penten 1 als by Rh(BINAP)ClO 4 was investigated. Highly enantioselective fashion(>99% e.e.) was achieved when alkyl substituent is a quaternary cabon such as t Bu, 1,1 dimethylpropyl, and 1
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