鉴于含氟化合物在药物化学领域起到愈发重要的作用,以苯并噻吩酮和三氟乙胺为原料,在四氯化钛脱水作用下,合成9个新型苯并噻吩衍生的三氟乙基酮亚胺衍生物(3a~3i)。同时,初步尝试了三氟乙基苯并噻吩酮亚胺和2-硝基苯并呋喃的[3+2]去芳...鉴于含氟化合物在药物化学领域起到愈发重要的作用,以苯并噻吩酮和三氟乙胺为原料,在四氯化钛脱水作用下,合成9个新型苯并噻吩衍生的三氟乙基酮亚胺衍生物(3a~3i)。同时,初步尝试了三氟乙基苯并噻吩酮亚胺和2-硝基苯并呋喃的[3+2]去芳构化环加成反应,得到了含三氟甲基的多环杂环化合物(5)。最后对这些化合物的结构进行了1 H NMR、13 C NMR和HR-MS(ESI-TOF)表征。展开更多
Divalent β-diketiminate lanthanide complexes LYbR(THF)(L={(2,6-Me2C6H3)NC(Me)}2CH;R=C9H7(1),CH3C5H4(2),OC6H2-But2-2,6-Me-4(32))were synthesized by reducing the mixed-ligand trivalen(t) β-diketimina...Divalent β-diketiminate lanthanide complexes LYbR(THF)(L={(2,6-Me2C6H3)NC(Me)}2CH;R=C9H7(1),CH3C5H4(2),OC6H2-But2-2,6-Me-4(32))were synthesized by reducing the mixed-ligand trivalen(t) β-diketiminate ytterbium chlorides synthesized in situ with Na-K alloy.These divalent lanthanide complexes exhibit good catalytic activity for the ring opening polymerization of ε-caprolactone.展开更多
Reaction of the β-diketiminate ytterbium dichloride LYbCl2(THF)2(L=2,6-Pri2C6H3)NC(Me)CHC(Me)N(C6H3-2,60Pri2)(1)with 2equiv off C5H5Na in THF gave rise to the title complex LYb(C5H5)2(2),and the cryst...Reaction of the β-diketiminate ytterbium dichloride LYbCl2(THF)2(L=2,6-Pri2C6H3)NC(Me)CHC(Me)N(C6H3-2,60Pri2)(1)with 2equiv off C5H5Na in THF gave rise to the title complex LYb(C5H5)2(2),and the crystal structure of the complex 2 was determined by single-crystal X-ray diffraction.The crystal belongs to orthorhombic,space group P21212 with a=4.3219(6),b=1.6602(2),c=0.9604(1)nm,V=6.891(2)nm3,Z=8,Dc=1.390 Mg·m-3,R=0.0331,wR=0.0535.In the molecular structure of the title complex,the central metal atom Yb is coordinated by two cyclopentadienyl rings and two nitrogen atomes of β-diketiminate group to form an eight-coordinate distorted tetrahedral geometry.展开更多
文摘鉴于含氟化合物在药物化学领域起到愈发重要的作用,以苯并噻吩酮和三氟乙胺为原料,在四氯化钛脱水作用下,合成9个新型苯并噻吩衍生的三氟乙基酮亚胺衍生物(3a~3i)。同时,初步尝试了三氟乙基苯并噻吩酮亚胺和2-硝基苯并呋喃的[3+2]去芳构化环加成反应,得到了含三氟甲基的多环杂环化合物(5)。最后对这些化合物的结构进行了1 H NMR、13 C NMR和HR-MS(ESI-TOF)表征。
文摘Divalent β-diketiminate lanthanide complexes LYbR(THF)(L={(2,6-Me2C6H3)NC(Me)}2CH;R=C9H7(1),CH3C5H4(2),OC6H2-But2-2,6-Me-4(32))were synthesized by reducing the mixed-ligand trivalen(t) β-diketiminate ytterbium chlorides synthesized in situ with Na-K alloy.These divalent lanthanide complexes exhibit good catalytic activity for the ring opening polymerization of ε-caprolactone.
文摘Reaction of the β-diketiminate ytterbium dichloride LYbCl2(THF)2(L=2,6-Pri2C6H3)NC(Me)CHC(Me)N(C6H3-2,60Pri2)(1)with 2equiv off C5H5Na in THF gave rise to the title complex LYb(C5H5)2(2),and the crystal structure of the complex 2 was determined by single-crystal X-ray diffraction.The crystal belongs to orthorhombic,space group P21212 with a=4.3219(6),b=1.6602(2),c=0.9604(1)nm,V=6.891(2)nm3,Z=8,Dc=1.390 Mg·m-3,R=0.0331,wR=0.0535.In the molecular structure of the title complex,the central metal atom Yb is coordinated by two cyclopentadienyl rings and two nitrogen atomes of β-diketiminate group to form an eight-coordinate distorted tetrahedral geometry.