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| 1 | (−)- and (+)-Securidanes A and B, Natural Triarylmethane Enantiomers: Structure and Bioinspired Total Synthesis显示文摘Two pairs of enantiomers,(−)and(+)-securidanes A(1 and 2)and B(3 and 4)featuring unprecedented triarylmethane(TAM)skeletons,were isolated from Securidaca inappendiculata.Teir structures were established by spectroscopic data,X-ray crystallography,and CD analysis.A plausible biosynthetic pathway for 1−4 based on the co-isolated precursors was proposed.Bioinspired total synthesis of 1−4was completed in high yield,which in turn corroborated the biosynthetic hypothesis.Compounds 1−4 showed good inhibition against protein tyrosine phosphatase 1B(PTP1B).Te molecular docking demonstrated that the strongest inhibitor 3(IC50=7.52�M)reaches deeper into the binding pocket and has an additional H-bond. | B.Zhou D.X.Liu X.J.Yuan J.Y.Li Y.C.Xu J.Li YLi J.M.Yue | 2018 | Research2018，，1： | 2 |
| 2 | 查看详情显示文摘 | S.H.Xie Y.Y.Liu J.Y.Li | | 0，，04： | 1 |
| 3 | 查看详情显示文摘 | C.L.Zhang W.Q.Chen S.H.Xie J.S.Yang and J.Y.Li | | 0，，10： | 1 |
| 4 | 查看详情显示文摘 | S.H.Xie J.Y.Li Y.Qiao Y.Y.Liu L.N.Lan Y.C.Zhou and S.T.Tan | | 0，，06： | 1 |
| 5 | 查看详情显示文摘 | S.H.Xie J.Y.Li Y.Y.Liu L.N.Lan G.Jin and Y.C.Zhou | | 0，，02： | 1 |
| 6 | 查看详情显示文摘 | S.H.Xie J.Y.Li R.Proksch Y.M.Liu Y.C.Zhou Y.Y.Liu Y.Ou L.N.Lan and Y.Qiao | | 0，，22： | 1 |
| 7 | Solid-state alloying of Al-Mg alloys by accumulative roll-bonding:Microstructure and properties显示文摘In this study,a novel solid-state alloying approach was adopted to fabricate Al-Mg alloys with high Mg contents(C_(Mg)) by accumulative roll-bonding(ARB)of Al and Mg elemental materials to ultrahigh cycles.Experimental results showed that the degree of alloying increased with the increase of ARB cycles and a supersaturatedα-Al solid solution accompanied with nanoprecipitates was formed in the Al-Mg alloys by ARB to 70 cycles.The as-prepared Al-Mg alloys exhibited enhanced mechanical properties,with a maximum tensile strength of∼615 MPa and a tensile elongation of∼10%at C_(Mg)=13 wt.%.The high strength can be attributed to different mechanisms,namely solid solution strengthening,grain boundary strengthening,dislocation strengthening,and precipitation strengthening.The Al-Mg alloys showed increased work hardening with increasing C_(Mg),due to the enhanced formation of nanoprecipitates.Meanwhile,no obvious drop in the intergranular corrosion(IGC)resistance was found in the Al-Mg alloys with C_(Mg) up to 13 wt.%.Moreover,sensitization treatment was found to induce little decrease in the IGC resistance of the Al-Mg alloys with C_(Mg)≤13 wt.%.We found that the excellent IGC resistance was due to the suppression of grain boundary precipitation by the preferred formation of precipitates within the grains that were induced by ARB.Our study indicated the novelty of the present solid-state alloying approach to achieving a superior combination of high mechanical properties and IGC resistance in Al-Mg alloys. | X.M.Mei Q.S.Mei J.Y.Li C.L.Li L.Wan F.Chen Z.H.Chen T.Xu Y.C.Wang Y.Y.Tan | 2022 | Journal of Materials Science & Technology2022，，30： | 1 |
| 8 | 查看详情显示文摘 | S.H.Xie F.Y.Ma Y.M.Liu J.Y.Li | | 0，，： | 1 |
| 9 | 查看详情显示文摘 | S.H.Xie A.Gannepalli Q.N.Chen Y.M.Liu Y.C.Zhou R.Proksch J.Y.Li | | 0，，： | 1 |
| 10 | 查看详情显示文摘 | Z.W.Wang Q.J.Han M.H.Hu D.Yang and J.Y.Li | | 0，，01： | 1 |
| 11 | Controllable synthesis and formation mechanism of bow-tie-like Sb2O3 nanostructures via a surfactant-free solvothermal route显示文摘 | S.S.Ge Q.Y.Wang J.Y.Li Q.Shao and X.J.Wang | | 0，，1： | 1 |
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