The first asymmetry synthesis of glutinone and its three diastereoisomers were carried out in 8 steps and the stereochemistry of this natural product was given out.
Simple solvothermal reaction of PbI2,1,4-diazabicyclo[2.2.2]octane and benzyl alcohol in the presence of HI acid creates a new organically templated iodoplumbate hybrid:[(N-Bz-DABCO)(PbI3)]n(1,N-Bz-DABCO+ = N-b...Simple solvothermal reaction of PbI2,1,4-diazabicyclo[2.2.2]octane and benzyl alcohol in the presence of HI acid creates a new organically templated iodoplumbate hybrid:[(N-Bz-DABCO)(PbI3)]n(1,N-Bz-DABCO+ = N-benzyl-1,4-diazabicyclo[2.2.2]octane).Compound 1 crystallizes in orthorhombic space group P212121 with a = 20.044(9),b = 8.002(3),c = 12.345(5) ?,V = 1980.1(14) A3,Z = 4,C(13)H(19)N2PbI3,Mr = 791.19,Dc = 2.654 g/cm^3,F(000) = 1408,μ(Mo Kα) = 13.189 mm–1,the final R = 0.0303 and w R = 0.0849 for 3777 observed reflections(I 〉 2σ(I)).Compound 1 contains one-dimensional anionic [PbI3]nn-chains that are enclosed into the cationic channel formed from the N-benzyl-1,4-diazabicyclo[2.2.2]octane.Noteworthy,compared with common symmetrical N,N?-dialkyl-DABCO^(2+) cations,in-situ formed asymmetrical N-monoalkyl-DABCO~+ cation is first used as structure directing agents/templating agents in the haloplumbate system,finally leading to the occurrence of noncentrosymmetric feature in compound 1.In addition,UV-Vis absorption spectrum analysis reveals that compound 1 is a potential semiconductor material with energy gap of 2.80 eV.展开更多
基金We are grateful for financial support from the National Natural Science Foundation of China (Grant No. 29732060)
文摘The first asymmetry synthesis of glutinone and its three diastereoisomers were carried out in 8 steps and the stereochemistry of this natural product was given out.
基金financially supported by the Natural Scientific Foundation of Lvliang University(No.ZRXN201603)the characteristic&preponderant discipline of“1331 engineering”of Shanxi Province,Materials Science and Engineering(2050205 higher education)
文摘Simple solvothermal reaction of PbI2,1,4-diazabicyclo[2.2.2]octane and benzyl alcohol in the presence of HI acid creates a new organically templated iodoplumbate hybrid:[(N-Bz-DABCO)(PbI3)]n(1,N-Bz-DABCO+ = N-benzyl-1,4-diazabicyclo[2.2.2]octane).Compound 1 crystallizes in orthorhombic space group P212121 with a = 20.044(9),b = 8.002(3),c = 12.345(5) ?,V = 1980.1(14) A3,Z = 4,C(13)H(19)N2PbI3,Mr = 791.19,Dc = 2.654 g/cm^3,F(000) = 1408,μ(Mo Kα) = 13.189 mm–1,the final R = 0.0303 and w R = 0.0849 for 3777 observed reflections(I 〉 2σ(I)).Compound 1 contains one-dimensional anionic [PbI3]nn-chains that are enclosed into the cationic channel formed from the N-benzyl-1,4-diazabicyclo[2.2.2]octane.Noteworthy,compared with common symmetrical N,N?-dialkyl-DABCO^(2+) cations,in-situ formed asymmetrical N-monoalkyl-DABCO~+ cation is first used as structure directing agents/templating agents in the haloplumbate system,finally leading to the occurrence of noncentrosymmetric feature in compound 1.In addition,UV-Vis absorption spectrum analysis reveals that compound 1 is a potential semiconductor material with energy gap of 2.80 eV.