以1,5-苯并硫氮杂[艹卓](1a-1o)为原料,在三乙胺作用下与α-氯代喹喔啉-2-甲醛肟(2)发生1,3-偶极环加成反应得到一系列噁二唑并[5,4-d][1,5]苯并硫氮杂[艹卓]衍生物3a-3o.产物的结构经元素分析、IR和^1H NMR确认.并用X射线衍射法测定了化合物3a的晶体结构.化合物3a属三斜晶系,空间群P-1,晶胞参数:a=0.97376(19)nm,b=1.0017(2)nm,c=1.3526(3)nm,α=78.50(3)°,β=84.30(3)°,γ=68.26(3)°,Mr=486.58,V=1.2005(4)nm^3,Dc=1.346Mg/m^3,Z=2,F(000)=508.
A series of oxadiazolo[5,4-d][1,5]benzothiazepine derivatives (3a-3o) were prepared by 1,3-dipolar cycloaddition reaction of 1,5-benzothiazepines (1a-1o) with a-chloro-quinoxaline-2-carboxal- dehyde oxime 2 in the presence of triethylamine. The structures were characterized by elemental analysis, IR, ^1H NMR spectra, and the structure of 3a was confirmed by X-ray single-crystal diffraction analysis. The crystal of the compound 3a belongs to triclinic, space group P-1 with cell parameters a=0.97376(19) nm, b= 1.0017(2) nm, c= 1.3526(3) nm, α=78.50(3)°, β= 84.30(3)°, γ=68.26(3)°, Mr=486.58, V= 1.2005(4) nm^3, De= 1.346 Mg/m^3, Z=2 and F(000) =508.