934008-46-5

Upstream product

• 131543-46-9 Glyoxal 
• 140411-20-7 4-iodo-2,6-diisopropylaniline 
• 24544-04-5 2,6-diisopropylbenzenamine 
• 107-02-8 acrolein 

Downstream Products

• 934008-48-7 1,3-bis(4-iodo-2,6-diisopropylphenyl)-1H-imidazol-3-ium chloride 
• 1259556-09-6 1,3-bis(4-iodo-2,6-diisopropylphenyl)-1H-imidazol-3-ium trifluoromethanesulfonate 
• 1589079-52-6 [1,3-bis(4-methoxy-2,6-diisopropyl)phenyl]imidazolium chloride 
• 1619907-28-6 N,N'-bis(4-methoxy-2,6-diisopropylphenylamino)ethane-1,2-diamine 
• 1589079-53-7 1,3-bis-(4-methoxy-2,6-diisopropylphenyl)-4,5-dihydroimidazolinium chloride 
• 1394159-51-3 4-(methoxy)-2,6-diisopropylaniline 
• 1393747-13-1 1,3-bis(4-azido-2,6-diisopropylphenyl)-4,5-dihydro-1H-imidazol-3-ium chloride 
• 1393747-16-4 N,N’-bis(4-azido-2,6-diisopropylphenyl)ethane-1,2-diamine 

Relevant academic research and scientific papers

Olefin functionalized IPr.HCl monomer as well as preparation method and application thereof

The invention relates to an olefin functionalized IPr.HCl monomer, a preparation method thereof, a method for preparing an N-heterocyclic carbene functionalized organic polymer (PS-IPr-x) by using the olefin functionalized IPr.HCl monomer, and application of the N-heterocyclic carbene functionalized organic polymer as a heterogeneous catalyst for catalyzing reduction N-formylation of carbon dioxide and amine. A heterogeneous catalyst is prepared by using cheap and easily available DVB as a polymerization cross-linking agent through an AIBN-initiated olefin polymerization method, and has the advantages of low preparation cost and simple preparation method. Meanwhile, the catalytic activity of the catalyst is obviously higher than that of reported catalysts, and the catalyst has a wide practical application prospect.

Confinement of a Au-N-heterocyclic carbene in a Pd6L12metal-organic cage

A Au(i)-N-heterocyclic-carbene (NHC)-edged Pd6L12 molecular metal-organic cage is assembled from a Au(i)-NHC-based bipyridyl bent ligand and Pd2+. The octahedral cage structure is unambiguously established by NMR, electrospray ionization-mass spectrometry and single crystal X-ray crystallography. The electrochemical behaviour was analyzed by cyclic voltammetry. The octahedral cage has a central cavity for guest binding, and is capable of encapsulating PF6- and BF4- anions within the cavity. This journal is

Thieme Chemistry Journals Awardees - Where Are They Now? Synthesis of a Dinuclear Copper NHC Complex Bearing a Rigid π-Conjugated Cyclic Framework

Macrocyclic dinuclear complexes have been gaining popularity in the design of homogeneous catalysts. Herein, we report the design of such a complex featuring catalytically active sites fixed inside the ring and its synthesis using a cross-coupling reaction.

Synthesis and catalytic application of: N -heterocyclic carbene copper complex functionalized conjugated microporous polymer

A N-heterocyclic carbene copper(i) complex functionalized conjugated microporous polymer (CMP-NHC-CuCl) was synthesized by palladium-catalyzed Sonogashira cross-coupling chemistry. The resulting CMP-NHC-CuCl proved to be a good heterogeneous catalyst in the hydrosilylation of functionalized terminal alkynes with boryldisiloxane to afford (β,β)-(E)-vinyldisiloxane with high stereoselectivity, and the catalyst could be used four times without obvious loss in catalytic activity. Moreover, CMP-NHC-CuCl was also efficient in catalyzing the hydrosilylation of CO2 with triethoxysilane to form silyl formate under mild conditions.

A new synthetic route to p -methoxy-2,6-disubstituted anilines and their conversion into n-heterocyclic carbene precursors

The development of new N-heterocyclic carbenes (NHC) is a key feature in this now mainstream research area to access novel chemical properties and reactivity that are essential for the discovery of original applications. Up to now, only a few reliable methods have proven suitable for the preparation of methoxylated anilines to ultimately access methoxylated NHC. We are pleased to report here a straightforward and scalable approach to address this matter. Georg Thieme Verlag Stuttgart. New York.

Three-dimensional cubic mesoporous materials with a built-in N-heterocyclic carbene for Suzuki-Miyaura coupling of aryl chlorides and C(sp 3)-chlorides

New cubic cage-like mesoporous materials with a bulky N-heterocyclic carbene [IPr, 1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene] precursor in the framework were synthesized by a co-condensation of IPr precursor-bridged organosilane and TEOS in the presence of template. N2 sorption, XRD and TEM characterizations revealed that the mesostructural orderings of the synthesized materials depended on the molar fraction of the bridged organosilane in the initial gel mixture. With the increase in the molar fraction of the organosilane from 2.5% to 15%, the mesostructure of the synthesized material changed from a well-ordered 3D ordered structure to a amorphous structure. FT-IR and solid-state NMR characterizations confirmed that IPr carbene precursor was covalently integrated with the solid materials. Such hybrid materials were able to coordinate Pd(acac)2, leading to active solid catalysts for Suzuki-Miyaura couplings of less reactive aryl chlorides. The solid catalyst could be reused 8 times without a significant decrease in activity. Furthermore, the solid catalyst was active for the coupling of C(sp3)-chlorides and arylboronic acids.

Unusual mechanistic course of some NHC-mediated transesterifications

During experiments on the transesterification of vinyl benzoate with ethanol mediated by IPr and IMes, unexpected species were observed and characterized that call into question the accepted mechanism of the NHC-mediated transesterification of vinyl ester