Binuclear molybdenum alkoxide as the versatile catalyst for the conversion of carbon dioxide

Chen, Jing‐Huo; Deng, Cheng‐Hua; Fang, Sheng; Ma, Jian‐Gong; Cheng, Peng

doi:10.1039/c7gc03372a

Cited by 36 publications

(27 citation statements)

References 51 publications

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“…In 2018, Cheng and co‐workers investigated the triply bonded dimolybdenum compound Mo 2 (O t Bu) 6 as a homogeneous catalyst for the carboxylation of terminal alkynes with CO 2 (Scheme ) . For the carboxylation of diethynylbenzenes, asymmetric compounds were selectively obtained.…”

Section: Carboxylation Of C(sp)−h Bonds With Co2mentioning

confidence: 99%

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C−H Bond Carboxylation with Carbon Dioxide

et al. 2019

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Carbon dioxide is a nontoxic, renewable, and abundant C1 source, whereas C−H bond functionalization represents one of the most important approaches to the construction of carbon–carbon bonds and carbon–heteroatom bonds in an atom‐ and step‐economical manner. Combining the chemical transformation of CO2 with C−H bond functionalization is of great importance in the synthesis of carboxylic acids and their derivatives. The contents of this Review are organized according to the type of C−H bond involved in carboxylation. The primary types of C−H bonds are as follows: C(sp)−H bonds of terminal alkynes, C(sp2)−H bonds of (hetero)arenes, vinylic C(sp2)−H bonds, the ipso‐C(sp2)−H bonds of the diazo group, aldehyde C(sp2)−H bonds, α‐C(sp3)−H bonds of the carbonyl group, γ‐C(sp3)−H bonds of the carbonyl group, C(sp3)−H bonds adjacent to nitrogen atoms, C(sp3)−H bonds of o‐alkyl phenyl ketones, allylic C(sp3)−H bonds, C(sp3)−H bonds of methane, and C(sp3)−H bonds of halogenated aliphatic hydrocarbons. In addition, multicomponent reactions, tandem reactions, and key theoretical studies related to the carboxylation of C−H bonds are briefly summarized. Transition‐metal‐free, organocatalytic, electrochemical, and light‐driven methods are highlighted.

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Section: Carboxylation Of C(sp)−h Bonds With Co2mentioning

confidence: 99%

“…In 2018, Cheng and co‐workers reported the carboxylation of benzothiazoles and benzoxazoles with CO 2 catalyzed by Mo 2 (O t Bu) 6 (Scheme ) …”

Section: Carboxylation Of C(sp2)−h Bonds With Co2mentioning

confidence: 99%

C−H Bond Carboxylation with Carbon Dioxide

et al. 2019

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“…The “weak point” in the apparently unscratchable robustness of carbon dioxide is the susceptibility to nucleophilic attacks at the carbon atom [ 22 , 23 , 24 ]. Thus, a range of nucleophilic reagents, including neutral N -heterocyclic carbenes [ 25 , 26 ], are known to react with CO 2 even under mild conditions, and some chemistry at transition metal centers is provided by the possibility of CO 2 insertion into the bond between a metal atom and a suitable anionic ligand, e.g., alkyl, allyl, alkoxide and hydride [ 27 , 28 , 29 , 30 , 31 , 32 ]. In this context, amines are key reactants towards carbon dioxide, and indeed carbon dioxide/amine systems have been intensively investigated in the field of capture/storage [ 33 , 34 , 35 ] and exploited for the incorporation of the CO 2 moiety within organic structures [ 36 , 37 , 38 , 39 ].…”

Section: Introductionmentioning

confidence: 99%

Recent Advances in the Chemistry of Metal Carbamates

et al. 2020

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Following a related review dating back to 2003, the present review discusses in detail the various synthetic, structural and reactivity aspects of metal species containing one or more carbamato ligands, representing a large family of compounds across all the periodic table. A preliminary overview is provided on the reactivity of carbon dioxide with amines, and emphasis is given to recent findings concerning applications in various fields.

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“…The carboxylation of alkynyl-metal species is obtained using nonradioactive CO 2 under mild reaction conditions (25 C to 50 C) leading to propiolic acids with good yields (64% to 99%). [19][20][21][22][23][24][25][26][27] To develop a 11 C-carboxylation of terminal alkynes using cyclotron-produced [ 11 C]CO 2 , we have investigated an efficient and solvent-free method developed by Li et al that describes the carboxylation of phenylacetylene (1, 2 mmol, 1 eq.) using 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU, 2 eq.…”

Section: Introductionmentioning

confidence: 99%

Carbon‐11 carboxylation of terminal alkynes with [¹¹C]CO₂

Goudou

Gee

Bongarzone

2021

Labelled Comp Radiopharmac

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A copper‐catalysed radiosynthesis of carbon‐11 radiolabelled carboxylic acids was developed by reacting terminal alkynes and cyclotron‐produced carbon‐11 carbon dioxide ([11C]CO2) in the presence of 1,8‐diazabicyclo[5.4.0]undec‐7‐ene (DBU). A small library of 11C‐labelled propiolic acid derivatives were obtained with a total synthesis time of 15 min from end of bombardment (EOB) with a (non‐isolated) radiochemical yield ranging from 7% to 28%.

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Binuclear molybdenum alkoxide as the versatile catalyst for the conversion of carbon dioxide

Abstract: CO2 was transformed into different products in mild conditions with high yield and excellent selectivity using a single catalyst.

Cited by 36 publications

References 51 publications

C−H Bond Carboxylation with Carbon Dioxide

C−H Bond Carboxylation with Carbon Dioxide

Recent Advances in the Chemistry of Metal Carbamates

Carbon‐11 carboxylation of terminal alkynes with [¹¹C]CO₂

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Binuclear molybdenum alkoxide as the versatile catalyst for the conversion of carbon dioxide

Abstract: CO2 was transformed into different products in mild conditions with high yield and excellent selectivity using a single catalyst.

Cited by 36 publications

References 51 publications

C−H Bond Carboxylation with Carbon Dioxide

C−H Bond Carboxylation with Carbon Dioxide

Recent Advances in the Chemistry of Metal Carbamates

Carbon‐11 carboxylation of terminal alkynes with [11C]CO2

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Carbon‐11 carboxylation of terminal alkynes with [¹¹C]CO₂