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Chemical Structure| 13679-70-4 Chemical Structure| 13679-70-4
Chemical Structure| 13679-70-4

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CAS No.: 13679-70-4

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Product Citations

Jiang Zhang ; Zijian Wang ; Mugeng Chen ; Yifeng Zhu ; Yongmei Liu ; Heyong He , et al.

Abstract: Deoxygenative upgrading of 5-hydromethylfurfural (HMF) into valuable chemicals has attracted intensive research interest in recent years, with product selectivity control remaining an important topic. Herein, TiO2 supported gold catalysts coated with a thin N-doped porous carbon (NPC) layer were developed via a polydopamine-coating-carbonization strategy and utilized for pathway-specific conversion of HMF into 5-methylfurfural (5-MF) with the use of renewable formic acid (FA) as the deoxygenation reagent. The as-fabricated Au/TiO2@NPC exhibited excellent catalytic performance with a high yield of 5-MF (>95%). The catalytic behavior of Au@NPC-based catalysts was shown to be correlated with the suitable combination of highly dispersed Au nanoparticles and favorable interfacial interactions in the Au@NPC core-shell hetero-nanoarchitectures, thereby facilitating the preferential esterification of HMF with FA and suppressing unproductive FA dehydrogenation, which promoted the selective formylation/decarboxylation of hydroxy-methyl group in HMF in a pathway-specific manner. The present NPC/metal interfacial engineering strategy may provide a potential guide for the rational design of advanced catalysts for a wide variety of heterogeneous catalysis processes in terms of the conversion of biomass source.

Keywords: 5‐Hydroxymethylfurfural ; 5‐Methylfurfural ; Gold catalysis ; N‐doped porous carbon ; Biomass upgrading

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Alternative Products

Product Details of 5-Methyl-2-thiophenecarboxaldehyde

CAS No. :13679-70-4
Formula : C6H6OS
M.W : 126.18
SMILES Code : O=CC1=CC=C(C)S1
MDL No. :MFCD00005434
InChI Key :VAUMDUIUEPIGHM-UHFFFAOYSA-N
Pubchem ID :61663

Safety of 5-Methyl-2-thiophenecarboxaldehyde

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H315-H319-H335
Precautionary Statements:P261-P305+P351+P338

Application In Synthesis of 5-Methyl-2-thiophenecarboxaldehyde

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 13679-70-4 ]

[ 13679-70-4 ] Synthesis Path-Downstream   1~6

  • 1
  • [ 13679-70-4 ]
  • [ 7504-94-1 ]
  • <i>N</i>-(5-methyl-thiophen-2-ylmethylene)-<i>N</i>'-pyrimidin-2-yl-hydrazine [ No CAS ]
  • 2
  • [ 13679-70-4 ]
  • [ 26421-44-3 ]
  • 3
  • [ 13679-70-4 ]
  • [ 109-97-7 ]
  • [ 204905-77-1 ]
  • 5-(3,4-ethylenedioxyl)thienyl-10,15,20-tris(5-methylthien-2-yl)porphyrin [ No CAS ]
  • 4
  • [ 13679-70-4 ]
  • [ 838-77-7 ]
  • [ 1429192-30-2 ]
  • 5
  • [ 13679-70-4 ]
  • [ 838-77-7 ]
  • C19H15ClN2OS [ No CAS ]
  • 6
  • [ 13679-70-4 ]
  • [ 6882-68-4 ]
  • C21H28N2OS [ No CAS ]
YieldReaction ConditionsOperation in experiment
37% With sodium hydride; In tetrahydrofuran; at 35 - 80℃; for 8h; General procedure: Anhydrous tetrahydrofuran (50 mL) was added into a round-bottomed flask (100 mL) containing<strong>[6882-68-4]sophoridine</strong> (0.005 mol) and sodium hydride (0.1 mol). The solution was stirred, and aldehyde(0.02 mol) was added at 35-40 C. The solution was then refluxed for 8 h. After cooling to roomtemperature, the mixture was treated with hydrochloric acid (5%, 20 mL) to hydrolyze the excesssodium hydride and then extracted with chloroform (3 x 20 mL). The combined organic layer wasconcentrated, and the residue was purified in a reverse-phase silica gel column (CH2Cl2:MeOH = 20:1,v/v) to give compounds 2a-2k.
 

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