An efficient and recyclable 3D printed α-Al 2 O 3 catalyst for the multicomponent assembly of bioactive heterocycles

Azuaje, Jhonny; Tubío, Carmen R.; Escalante, Luz; Gómez, Mónica; Guitián, Francisco; Coelho, Alberto; Caamaño, Olga; Gil, Álvaro; Sotelo, Eddy

doi:10.1016/j.apcata.2016.11.031

Cited by 88 publications

(55 citation statements)

References 73 publications

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“…The catalyst was then used in the synthesis of N ‐aryl substituted imidazoles, benzimidazoles and N ‐aryl amides, with excellent yields and short reaction time; the excellent catalytic activity was maintained after 10 recycling steps (Scheme ). One year later, the same group reported the use of a similar 3D printed Al 2 O 3 recyclable catalyst to catalyze multicomponent reactions …”

Section: D Printed Devices In Organic Synthesismentioning

confidence: 99%

“…One year later,t he same group reported the use of as imilar 3D printed Al 2 O 3 recyclable catalystt oc atalyzem ulticomponent reactions. [36] The catalytic structure consisted in ac ylindrical woodpile structure of 30 layers and 10 mm of diameter realizedb y powderb ed fusion and laser sintering of Al 2 O 3 powder ( Figure 2). This catalyste xhibited remarkable efficacy as Lewis Many other metal-basedc atalysts for heterogeneous applicationsh aveb een printed, but their uses are relatedt o photochemical, and electrochemical applications, and will not be discussed in this Minireview.…”

Section: D Printed Catalystsmentioning

confidence: 99%

“…a) Structureoft he constructed Al 2 O 3 catalytic device, b) To pv iew of the sintereds tructure (opticali mage).Reproduced with permission from Sotelo, Gil and co-workers [36]. Scheme3.Biginelli and Hantzsch synthesis promoted by 3D-printed Al 2 O 3 .…”

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confidence: 99%

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Additive Manufacturing Technologies: 3D Printing in Organic Synthesis

2018

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The manufacturing of a three‐dimensional product from a computer‐driven digital model (3D printing) has found extensive applications in several fields. Additive manufacturing technologies offer the possibility to fabricate ad hoc tailored products on demand, at affordable prices, and have been employed to make customized and complex items for actual sale. However, despite the great progress and the countless opportunities offered by the 3D printing technology, surprisingly a relatively limited number of applications have been documented in organic chemistry. This Minireview will focus specifically on the exploitation of additive manufacturing technologies in the synthesis of organic compounds, and, in particular, on the use of 3D‐printed catalysts and 3D printed reactors, and on the fabrication and use of 3D printed flow reactors.

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Section: D Printed Devices In Organic Synthesismentioning

confidence: 99%

Section: D Printed Catalystsmentioning

confidence: 99%

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Additive Manufacturing Technologies: 3D Printing in Organic Synthesis

2018

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“…As we all know, the applications of SLA have expanded into many fields, such as tissue engineering, catalytic use, smart sensors, and so on . However, the difficulty of SLA lies in the printing materials research, neither the printer design nor the computer programming .…”

Section: Introductionmentioning

confidence: 99%

3D‐printable thermochromic acrylic resin with excellent mechanical performance

Duan

et al. 2019

J of Applied Polymer Sci

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This study demonstrated the feasibility of printing three-dimensional (3D) hybrid objects based on acrylic photocurable formulations, with an additional function of thermochromic (TC) performance. In fact, directly mixing TC pigments into an acrylic resin (AR), led to a decrease of the mechanical properties like tensile strength and elongation. In order to address this problem, TC was modified by γ-methacryloxypropyltrimethoxysilane before added into an AR (modified thermochromic [mTC] pigment). Compared with pure AR and TC/resin composite structures (TC/AR), the final mTC/acrylic resin (mTC/AR) exhibited a better performance of tensile strength and Young's modulus. Besides, they could be successfully fabricated into 3D structures by stereolithography method. More interestingly, mTC/AR 3D composite structures demonstrated a unique tunable TC property, which could be responsive to external temperature fields reversely. Thus, their TC property could find novel applications in smart temperature sensor technology, and other related technological applications.

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“…Several groups have already been reporting the outstanding properties of 3D printing support structures made of ceramics. For example, Azuaje et al fabricated an a-Al 2 O 3 woodpile structure as efficient catalyst for Hantzsch and Biginelli multicomponent reactions [12]. Furthermore, Ferrizz et al investigated that 3D printing of an aluminum oxide carrier increased the conversion of CO and lowered the pressure drop during CO oxidation [13].…”

Section: Introductionmentioning

confidence: 99%

Additive Manufacturing of Al₂O₃‐Based Carriers for Heterogeneous Catalysis

Ludwig

Seckendorff

Troll

et al. 2018

Chemie Ingenieur Technik

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Additive manufacturing techniques are known for their impressive possibilities in shaping complex structures, which would be beneficial in the production of alumina‐based catalyst shaped bodies. 3D printing of dense ceramics, especially Al2O3, is known for various printing systems. However, only little effort was done to produce pure alumina parts with increased BET surface areas and sufficient mechanical strength to be used as catalyst carriers. The applicability of four different printing techniques is evaluated and discussed to determine possibilities, strategies and limitations of each technique.

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An efficient and recyclable 3D printed α-Al 2 O 3 catalyst for the multicomponent assembly of bioactive heterocycles

Cited by 88 publications

References 73 publications

Additive Manufacturing Technologies: 3D Printing in Organic Synthesis

Additive Manufacturing Technologies: 3D Printing in Organic Synthesis

3D‐printable thermochromic acrylic resin with excellent mechanical performance

Additive Manufacturing of Al₂O₃‐Based Carriers for Heterogeneous Catalysis

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An efficient and recyclable 3D printed α-Al 2 O 3 catalyst for the multicomponent assembly of bioactive heterocycles

Cited by 88 publications

References 73 publications

Additive Manufacturing Technologies: 3D Printing in Organic Synthesis

Additive Manufacturing Technologies: 3D Printing in Organic Synthesis

3D‐printable thermochromic acrylic resin with excellent mechanical performance

Additive Manufacturing of Al2O3‐Based Carriers for Heterogeneous Catalysis

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Product

Resources

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Additive Manufacturing of Al₂O₃‐Based Carriers for Heterogeneous Catalysis