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A series of novel Michael addition products of fluorene to chalcone were obtained in the presence of sodium hydroxide under solvent-free condition.The advantages of this procedure were mild reaction conditions,simple protocol,and high yields.The structures of the products were characterized by IR,~1H NMR,MS and X-ray diffraction.The crystal of the new compound 3 h is Triclinic,space group P-1 with a = 0.97352(6) nm,b = 1.08918(7) nm,c = 2.58418(16) nm,α= 80.1400(10)°,β= 79.5490(10)°,γ= 64.2440(10)°,V = 2.4137(3) nm~3,Z= 4,Dc= 1.220 g/cm~3,μ= 0.286 mm~(-1),F(000) = 920,R = 0.0656 and wR = 0.1554 for 5664 observed reflection with I>2σ(I).
A series of novel Michael addition products of fluorene to chalcone were obtained in the presence of sodium hydroxide under solvent-free condition. The advantages of this procedure were mild reaction conditions, simple protocol, and high yields.The structures of the products were characterized by IR, ~ 1H NMR, MS and X-ray diffraction. The crystal of the new compound 3h is Triclinic, space group P- 1 with a = 0.97352 (6) nm, b = 1.08918 (7) nm, c = 2.58418 16.2 nm, α = 80.1400 (10) °, β = 79.5490 (10) °, γ = 64.2440 (10) °, V = 2.4137 (3) nm ~ 3, Z = 4 and Dc = 1.220 g / cm ~ 3 , μ = 0.286 mm -1, F (000) = 920, R = 0.0656 and wR = 0.1554 for 5664 observed with I> 2σ (I).