【摘要】 合成了2,3,4,4’-四羟基脱氧安息香(THDB),采用IR,UV,HNMR,MS和元素分析对其结构进行了表征,并采用1X射线单晶衍射仪测定了该化合物的晶体结构,利用荧光法检测了化合物对羟基自由基的清除作用.实验结果表明,晶体[C14H12O5?2H2O]属于单斜晶系,空间群C2/c,a=1.4346(5)nm,b=1.3378(5)nm,c=1.5709(5)nm,α=90°,β=110.823(6)°,γ=90°,V=2.8181(16)nm3,Z=8,Dc=1.397g/cm3,μ=0.113mm-1,F(000)=1248,R=0.0528,wR=0.1307;THDB具有较好的清除羟基自由基的作用.更多还原

【Abstract】 Tetrahydroxydeoxybenzoin (THDB) was synthesized and characterized by IR, UV, H 1 NMR, MS and elemental analysis. Single crystals of THDB were determined by X-ray single crystal diffrac- tion. The scavenging effect of THDB on hydroxy radical was detected by fluorescent spectrophotometry. The experimental results show that the crystal (C14H12O5?2H2O) belongs to monoclinic space group C2/c with unit cell constants a=1.4346(5) nm, b=1.3378(5) nm, c=1.5709(5) nm, α=90°, β=110.823(6)°, γ= 90°, V=2.8181(16) nm3, Z=8, Dc=1.397 g/cm3, μ=0.113 mm-1, F(000)=1248, R=0.0528, wR=0.1307. The compound THDB can scavenge hydroxy radical effectively.更多还原