Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Alina Negoi"'
Publikováno v:
Catalysis Today. 306:199-206
Green synthesis of verbenol was achieved via allylic oxidation of α-pinene with a peroxide agent in the presence of a peroxidase enzyme in a biphasic aqueous-organic system. The aqueous part contained the enzyme together with the oxidation agent, wh
Publikováno v:
Catalysis Today. 279:71-76
The effect of the addition of a surfactant during the bio-conversion of a renewable glycerol into glycerol carbonate (GlyC) has been investigated. Lipase enzyme immobilized on magnetic particles assisted the GlyC synthesis via the carbonylation of gl
Publikováno v:
Molecular Catalysis
Molecular Catalysis, Elsevier, 2019, 474, pp.110420. ⟨10.1016/j.mcat.2019.110420⟩
Molecular Catalysis, Elsevier, 2019, 474, pp.110420. ⟨10.1016/j.mcat.2019.110420⟩
International audience; A chiral gold (I) (2S,4S)-1-tert-butoxycarbonyl-4-diphenylphosphino-2-(diphenylphosphino- methyl) pyrrolidine (BPPM) complex has been prepared using [Au(SMe2)Cl] as precursor. The heterogenization of the Au-BPPM catalyst onto
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::08324b267887a9e5a46d3dfc19bbc21d
https://hal.archives-ouvertes.fr/hal-02334995
https://hal.archives-ouvertes.fr/hal-02334995
Autor:
Madalina Tudorache, Madalin Enache, Andreea Gheorghe, Vasile I. Parvulescu, Alina Negoi, Gabriel-Mihai Maria
Publikováno v:
Carbohydrate Polymers. 152:726-733
Bifunctional catalysts designed as carbohydrate biopolymers entrapping lipase have been investigated for the biotransformation of a natural compound (α-pinene) to oxy-derivatives. Lipases assisted the epoxidation of α-pinene using H2O2 as oxidation
Autor:
Alina Negoi, Madalina Tudorache, Iunia Podolean, Natalia Candu, Simona M. Coman, Vasile I. Parvulescu
Publikováno v:
Topics in Catalysis. 57:1463-1469
MNP-RuIII [magnetic nanoparticles (MNP)] catalyst was proven to catalyze the hydrolysis of microcrystalline cellulose leading selectively to glucose (85 %). In the presence of hydrogen, MNP-RuIII also catalyzed the levulinic acid conversion into γ-v
Publikováno v:
Catalysis Today. 223:122-128
Supported Ir, Pd, Rh and Ru catalysts were examined for the conversion of glucose and cellulose in water in the presence of hydrogen. The catalysts were prepared by incipient wetness impregnation of a BEA zeolite (SiO2/Al2O3 = 21.6, Ssp = 739 m2/g) w
Publikováno v:
Applied Catalysis B: Environmental. 146:274-278
In this work, the conversion of waste glycerol from biodiesel production to glycerol carbonate (GlyC) as added-value product has been investigated. The transformation of waste glycerol to GlyC has been achieved taking the advantage of dimethyl carbon
Autor:
Alina Negoi, Vasile I. Parvulescu, Nicoleta G. Gheorghe, Victor Kuncser, Simona M. Coman, Erhard Kemnitz, Stefan Wuttke
Publikováno v:
ChemSusChem. 5:1708-1711
TIN, TAILORED, NOT SOLDER, BUT CAT: Doped hydroxylated fluorides, prepared by a modified sol-gel method, offer enhanced acidity and improved stability against water, and efficiency in the degradation of cellulose. These materials extend the portfolio
Autor:
Alina Negoi, Erhard Kemnitz, Stefan Wuttke, Vasile I. Parvulescu, Simona M. Coman, Katharina Teinz
Publikováno v:
Topics in Catalysis. 55:680-687
Active and selective bifunctional Me(Ir, Pd)/beta zeolite and doped nanoscopic hydroxylated fluorides (0.1 % Pd (or Pt)/AlF3) catalysts were developed for the one-pot synthesis of menthols from citral. In the case of fluoride catalysts, the strong el
Autor:
Stefan Wuttke, Erhard Kemnitz, Cristian M. Teodorescu, Alina Negoi, Vasile I. Parvulescu, D. Macovei, Simona M. Coman
Publikováno v:
Angewandte Chemie International Edition. 49:8134-8138