Chem. J. Chinese Universities ›› 1986, Vol. 7 ›› Issue (9): 793.
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Zhang Pang, Sui Yunlong, Tian Guiling, Li Liangzhu
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Abstract: This article reports that the bis(β-acyl cnaminc) Ⅲ can be isolated readily and hydrogenatcd to a bis (Mannich base) Ⅳ which on elimination by heating or treatment with acid yields the bis (α,β-unsaturatcd kctonc) Ⅴ,further hydrogena-tion gives saturated biskctonc Ⅵ in good yields.
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Zhang Pang, Sui Yunlong, Tian Guiling, Li Liangzhu . Synthesis of a,β-Unsaturated Ketones Via Enamines(Ⅱ)—Synthesis of Symmetric Bis (α,β-Unsaturated Ketones)[J]. Chem. J. Chinese Universities, 1986, 7(9): 793.
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http://www.cjcu.jlu.edu.cn/EN/Y1986/V7/I9/793