一种应用于化学制药领域中的一种从阿扎那韦单晶及制备方法，所述阿扎那韦单晶在X射线单晶衍射仪上测得该晶体属于单斜晶系，晶胞参数包括：α＝90.000(5)°，β＝96.227(5)°，γ＝90.000(5)°；所述晶体学数据包括：Space group＝P2(1),Z＝2,Dc/g cm‑3＝1.202,F(000)＝756,Tmin:＝0.9700,Tmax＝0.9719,Goodness of fit on F2＝1.012,R1[I≥2σ(I)]a)＝0.0628,wR2[I≥2σ(I)]a)＝0.1357,R1(all data)a)＝0.1748,wR2(all data)a)＝0.1823；所述方法单晶制备方法以阿扎那韦粗品出发，重结晶制备药用阿扎那韦单晶，包括采用醇类溶剂和滴加正己烷进行重结晶，通过控制正己烷的量可以很好的得到用于符合制剂要求的阿扎那韦结晶产物。该晶体是一种纯度高、较均匀粒度分布的良好晶型，稳定性与硫酸阿扎那韦晶型A一致,优于无定型阿扎那韦无定形粉末。
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