Synthesis and characterization of the immobilized Ni-Zn-Fe layered double hydroxide (LDH) on silica-coated magnetite as a mesoporous and magnetically reusable catalyst for the preparation of benzylidenemalononitriles and bisdimedones (tetraketones) under
Herein, novel magnetic Fe3O4@SiO2@Ni-Zn-Fe layered double hydroxide (LDH) intercalated with water molecules and carbonate anions as interlayer contents was prepared as a new heterogeneous and separable nanocatalyst. The me
Gilanizadeh, Masumeh,Zeynizadeh, Behzad
p. 8553 - 8566
(2018/06/08)
Binary copper and iron oxides immobilized on silica-layered magnetite as a new reusable heterogeneous nanostructure catalyst for the Knoevenagel condensation in water
Abstract: In this study, a novel heterogeneous and reusable nanostructure catalyst was synthesized through the immobilization of bimetallic Cu–Fe mixed oxides on silica-layered magnetite. The prepared nanomagnetic Fe3O4@SiO2/su
Gilanizadeh, Masumeh,Zeynizadeh, Behzad
p. 6053 - 6070
(2018/05/26)
PREPARATION OF SOME NEW BENZYLIDENEMALONONITRILES BY AN SNAr REACTION: APPLICATION TO NAPHTHOPYRAN SYNTHESIS
The reaction of 4-fluoro-3-nitrobenzylidenemalononitrile (3) with piperidine and 1-naphthol yields the addition-elimination product (9) rather than the expected naphthopyran (7).This reaction is extended to produce other 3,4-disubstituted benzylidenemalononitriles (10)-(13).These compounds are then reacted with 1-naphthol and 4-methylmorpholine producing the naphthopyrans (14)-(17).
Bloxham, Jason,Dell, Colin P.,Smith, Colin W.
p. 399 - 408
(2007/10/02)
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