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Imino Diels-Alder reactions:One-pot synthesis of tetrahydroquinolines

Chinese Chemical Letters 2010年第3期21卷 265-268页

作者： Vinod T.Kamble bhaskar S.Davane Sanjay A.Chavan dnyanoba b.muley Sandeep T.Atkore Organic Chemistry Research Laboratory School of Chemical SciencesSwami Ramanand Teerth Marathwada University Research and Post Graduate Centre Yeshwant College Gopikabai Sitaram Gawande Science College

An efficient synthesis of tetrahydroquinoline derivatives is reported via three component coupling reactions of aldehydes and anilines with various dienophiles in the presence of a catalytic amount of perchloric acid ... 详细信息

关键词： Tetrahydroquinolines HClO_4-SiO_2 Dienophiles Aldehydes Amines

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Effect of Sodium Metasilicate on Structural, Optical, Dielectric and Mechanical Properties of ADP Crystal

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Journal of Materials Science & Technology 2016年第1期32卷 62-67页

作者： Mohd Anis M.D. Shirsat S.S. Hussaini b.Joshi G.G. muley Department of Physics Sant Gadge Baba Amravati University Amravati 444602 Maharashtra India Crystal Growth Laboratory Department of Physics MiUiya Arts Science and Management Science College Beed 431122 Maharashtra India Intelligent Materials Research Laboratory Department of Physics Dr. Babasaheb Ambedkar Marathwada University Aurangabad 431005 Maharashtra India Science and Engineering Research board New Delhi 110016 India

For the first time, sodium metasilicate （SMS） doped ammonium dihydrogen phosphate （ADP） crystal was grown by slow evaporation solution technique. The unit cell parameters of grown crystal were deter- mined by means of single crystal X-ray diffraction technique. The qualitative analysis of SMS doped ADP crystal was carried out using energy dispersive X-ray and Fourier transform infrared analysis. The in- crease in optical transparency of doped ADP crystal was ascertained in the range of 200-900 nm using the UV-visible spectral analysis. The vital optical constants were evaluated using the transmittance data to explore various optical device applications of crystal. The assertive influence of SMS on mechanical and dielectric behavior of ADP crystal was investigated by means of Vickers microhardness analysis and dielectric studies, respectively. The enhancement in second harmonic generation （SHG） efficiency of SMS doped ADP crystal with reference to potassium dihydrogen phosphate （KDP） and ADP was confirmed from Kurtz-Perry SHG test. The Kerr lensing nonlinearity in SMS doped ADP crystal was identified by means of Z-scan analysis and the third order nonlinear optical susceptibility （χ3） was found to be 6.19 × 10-5 esu, which vitalizes its application for laser stabilization systems.

关键词： Crystal growth Nonlinear optical materials Dielectric properties Optical properties

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