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Enantio-differentiating hydrogenation of methyl acetoacetate over tartaric acid-NaBr-modified supported nickel catalyst prepared from nickel acetylacetonate

التفاصيل البيبلوغرافية
العنوان: Enantio-differentiating hydrogenation of methyl acetoacetate over tartaric acid-NaBr-modified supported nickel catalyst prepared from nickel acetylacetonate
المؤلفون: Osamu Takayasu, Shinya Mita, Tsutomu Osawa, Tadao Harada, Akiko Iwai, Seiichi Hashimoto, Hideto Hashiba, Ikuya Matsuura
المصدر: Journal of Molecular Catalysis A: Chemical. 157:207-216
بيانات النشر: Elsevier BV, 2000.
سنة النشر: 2000
مصطلحات موضوعية: inorganic chemicals, Process Chemistry and Technology, Acetylacetone, Inorganic chemistry, chemistry.chemical_element, Heterogeneous catalysis, Catalysis, chemistry.chemical_compound, Sodium bromide, Nickel, chemistry, Transition metal, Yield (chemistry), otorhinolaryngologic diseases, Tartaric acid, Physical and Theoretical Chemistry
الوصف: Supported nickel catalysts were prepared from nickel acetylacetonate, and then modified in a solution containing tartaric acid and sodium bromide. The enantio-differentiating hydrogenation of methyl acetoacetate was carried out over this catalyst. The effects of the preparation variables of the supported nickel catalysts on the optical yield and the effects of the conditions for the nickel surface modification on the optical yield were examined. The catalysts were also characterized by XRD and TEM. The maximal optical yield of 87% was attained when crystallized α-alumina (sumico rundum) was used as a support.
تدمد: 1381-1169
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::838315de982b5856b0876dc5f9dd3b47
https://doi.org/10.1016/s1381-1169(00)00054-6
حقوق: CLOSED
رقم الأكسشن: edsair.doi...........838315de982b5856b0876dc5f9dd3b47
قاعدة البيانات: OpenAIRE
الوصف
تدمد:13811169