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在酸性介质中 ,3,4 -二乙酰基 - 2 ,5 -己二酮与萘胺作用 ,合成得到了α - (2 ,5 -二甲基 - 3,4 -二乙酰基吡咯基 )萘 ,用IR ,1H -NMR ,MS ,HRMS对其进行了表征 ,并用X射线衍射测定了α - (2 ,5 -二甲基 -3,4 -二乙酰基吡咯基 )萘的晶体结构 .该晶体属三斜晶系 ,P1空间群 ,晶体学数据为 :a是 0 .80 4 5 (1)nm ,b是1.0 0 18(1)nm ,c是 2 .0 75 7(2 )nm ,α是 80 .0 9(1)° ,β是 82 .6 6 (1)°,γ是 83.81(1)° ,V是 1.6 2 81(3)nm3 ,Z是4 ,Mr 是 30 5 .36 ,Dc 是 1.2 4 6× 10 3 kg/m3 ,μ(MoKα)是 0 .0 80mm-1,F(0 0 0 )是 6 4 8,在I >2σ(I)的独立可观测衍射点为 36 6 9个 ,最终偏差因子R是 0 .0 4 0 6 ,WR 是 0 .0 96 2 .
In acidic medium, 3,4 - diacetyl - 2, 5 - hexanedione reacted with naphthylamine to synthesize α - (2,5 - dimethyl - 3,4 - diacetylpyrrolyl) The structure of α - (2,5 - dimethyl - 3,4 - diacetylpyrrolyl) naphthalene was characterized by IR, 1H - NMR, MS, HRMS and XRD The crystal belongs to the triclinic system with P1 space group. The crystallographic data are as follows: a is 0.80 4 5 (1) nm, b is 1.0 0 18 (1) nm and c is 2.75 75 (2) nm, α is 80.09 (1) °, β is 82.66 (1) °, γ is 83.81 (1) °, V is 1.6 2 81 (3) nm3, Z is 4 and Mr is 30 5 .36 , Dc is 1.2 4 6 × 10 3 kg / m 3, μ (MoKα) is 0.080 mm -1, F (0 0 0) is 6 4 8, and the independent observable diffraction point at I> 2σ 36 6 9, the final deviation factor R is 0. 0 4 0 6, WR is 0. 0 96 2.