Copper coordinated‐poly(α‐amino acid) decorated on magnetite graphene oxide as an efficient heterogeneous magnetically recoverable catalyst for the selective synthesis of 5‐ and 1‐substituted tetrazoles from various sources: A comparative study

2019 ◽  
Vol 34 (2) ◽  
Author(s):  
Milad Kazemnejadi ◽  
Boshra Mahmoudi ◽  
Zeinab Sharafi ◽  
Mohammad A. Nasseri ◽  
Ali Allahresani ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Amino Acid ◽  
Comparative Study ◽  
Selective Synthesis ◽  
Recoverable Catalyst ◽  
Magnetically Recoverable Catalyst

scholarly journals 12-Molybdophosphoric acid anchored on aminopropylsilanized magnetic graphene oxide nanosheets (Fe3O4/GrOSi(CH2)3–NH2/H3PMo12O40): a novel magnetically recoverable solid catalyst for H2O2-mediated oxidation of benzylic alcohols under solvent-free conditions

RSC Advances ◽  
2018 ◽  
Vol 8 (13) ◽  
pp. 6768-6780 ◽  
Author(s):  
Saeed Farhadi ◽  
Mohammad Hakimi ◽  
Mansoureh Maleki
Keyword(s):  
Graphene Oxide ◽  
Solvent Free ◽  
Solid Catalyst ◽  
Molybdophosphoric Acid ◽  
Graphene Oxide Nanosheets ◽  
Magnetic Graphene Oxide ◽  
Benzylic Alcohols ◽  
Recoverable Catalyst ◽  
Solvent Free Conditions ◽  
Magnetically Recoverable Catalyst

12-Molybdophosphoric acid was anchored on magnetic aminopropylsilanized graphene oxide nanosheets and used as a magnetically recoverable catalyst for solvent-free selective oxidation of benzylic alcohols into the carbonyl compounds with H2O2.

Cu-Fe Spinels: First Heterogeneous and Magnetically Recoverable Catalyst for the Ferrier Rearrangement of 2-Nitroglycals

2019 ◽  
Vol 16 (6) ◽  
pp. 447-453 ◽  
Author(s):  
Leticia Lafuente ◽  
María Florencia Rochetti ◽  
Rodolfo Bravo ◽  
Leandro Sasiambarrena ◽  
Cintia C. Santiago ◽  
...  
Keyword(s):  
Reaction Products ◽  
External Magnet ◽  
Recoverable Catalyst ◽  
Ferrier Rearrangement ◽  
Magnetically Recoverable Catalyst

Cu-Fe spinels promoted the Ferrier rearrangement of 2-nitroglycals with several O-nucleophiles. 2,3-Unsaturated carbohydrate derivatives were prepared by the reaction of 3,4,6-tri-Oacetyl- 2-nitroglucal and alcohols in the presence of 5 % of CuFe2O4. After separation of the catalyst with an external magnet, the reaction products were obtained in good yields and high stereo and regioselectivity. Also, S- and heterocyclic C-3 substituted 2-nitro-endo-glycals could be prepared by this method.

A comparative study of polyphenolic and amino acid profiles of commercial fruit beers

2021 ◽  
Vol 100 ◽  
pp. 103921
Author(s):  
Diana K. Baigts-Allende ◽  
Alexa Pérez-Alva ◽  
Melissa A. Ramírez-Rodrigues ◽  
Adriana Palacios ◽  
Milena M. Ramírez-Rodrigues
Keyword(s):  
Amino Acid ◽  
Comparative Study ◽  
Amino Acid Profiles
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