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温和条件下,苄胺与手性合成子5-(L)-孟氧基3-溴-2(5)呋喃酮通过串联的不对称迈克尔加成/分子内消除反应合成了一种新手性化合物:5-L-孟氧基-4-苄胺基丁烯内酯。产物经过IR、1H-NMR、MS谱学表征,并经X-ray单晶衍射测定了其结构。新化合物属于正交晶系,P212121空间群,a=5.2945(4),b=14.2829(10),c=26.0769(18),Mr=343.45,Z=4,V=1972.0(2)3,Dc=1.157g/cm3,μ(MoKα)=0.076mm-1,F(000)=744,R=0.0387,wR=0.0880。
Under mild conditions, benzylamine and chiral synthon 5- (L) -methoxy 3-bromo-2 (5) furanone were synthesized by asymmetric Michael addition / intramolecular elimination reaction in series : 5-L-menthoxy-4-benzylaminobutyrolactone. The product was characterized by IR, 1H-NMR and MS spectra and its structure was determined by X-ray single crystal diffraction. The new compounds belong to orthorhombic system, P212121 space group, a = 5.2945 (4), b = 14.2829 (10), c = 26.0769 (18), Mr = 343.45, Z = 4, V = 1972.0 = 1.157 g / cm3, μ (MoKα) = 0.076 mm-1, F (000) = 744, R = 0.0387, wR = 0.0880.