Bisamidate-functionalized NHC ligands: Electronic and steric influences of N-substituents on the bisamidate moieties

Hirota, Yurina; Ando, Shinji; Ishizuka, Tadao

doi:10.1016/j.tet.2022.132668

Cited by 4 publications

(2 citation statements)

References 40 publications

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“…121 As illustrated in Scheme 67, the reaction between PdBr 2 and 1acetamido-3-benzylbenzimidazolium bromide in a 1:2 ratio produces the biscarbene complex trans-[Pd (Bz-Bim-CH 2 CONH 2 ) 2 Br 2 ] (mixture of anti and syn atropoisomers) in A similar catalyst design was reported by the Ishizuka group, where bisamidate-functionalized imidazolidin-2-ylidene ligands decorated with a bicyclic framework in the backbone were anchored to the palladium center with the assistance of potassium carbonate (Scheme 68). 122 The desired Pd-pyridine complexes were tested in room-temperature coupling between 4-bromoanisole and phenylboronic acid. The good catalytic activity observed supports the beneficial role of highly Lewisbasic amidate moieties and the methylene linker.…”

Section: Carbene Precatalystsmentioning

confidence: 99%

Advances in the Synthesis and Applications of N-Heterocyclic Carbene Metal Complexes with a Focus on the Weak Base Route

Scattolin,

Logvinov,

Tzouras

et al. 2023

Organometallics

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N-heterocyclic carbene (NHC) ligands have evolved from being simple lab curiosities to tertiary phosphine mimics to finally take center stage as unique supporting ligands in organometallic chemistry, homogeneous catalysis, and more recently in medicinal chemistry and materials science applications. Some of these aspects are presented here from a perspective of researchers that have been fascinated by the area for quite some time.

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Section: Carbene Precatalystsmentioning

confidence: 99%

Advances in the Synthesis and Applications of N-Heterocyclic Carbene Metal Complexes with a Focus on the Weak Base Route

Scattolin,

Logvinov,

Tzouras

et al. 2023

Organometallics

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“…2022 年, Hirota 等 [12] 报道了具有双环骨架、侧链含为了丰富基于 NHC 的钳形配体的种类, Asay 小组 [15] 2021 年, Singh 小组 [28][29] 通过 2,6-吡啶桥联咪唑双鎓…”

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Research Progress on Pincer N-Heterocyclic Carbene Metal Complexes

Yang,

Guo,

Yuan

et al. 2023

Chinese Journal of Organic Chemistry

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As a type of novel ligands featuring special structure and properties that can be easily regulated, N-heterocyclic carbenes (NHCs) have attracted much research attention in recent years. Various NHC metal complexes with typical structure and properties have been synthesized and utilized widely in the fields of catalysis, synthesis, materials, pharmaceuticals, etc.Here, recent research progress on the synthesis and applications of pincer NHC metal complexes containing heteroatoms of N, P, S, O, Se, etc. and C featuring different hybrid state is summarized.

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N-heterocyclic carbene ligands with a bicyclic framework fused with either naphthalene or anthracene

Ando

Kono

Ishizuka

2023

Journal of Organometallic Chemistry

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Bisamidate-functionalized NHC ligands: Electronic and steric influences of N-substituents on the bisamidate moieties

Cited by 4 publications

References 40 publications

Advances in the Synthesis and Applications of N-Heterocyclic Carbene Metal Complexes with a Focus on the Weak Base Route

Advances in the Synthesis and Applications of N-Heterocyclic Carbene Metal Complexes with a Focus on the Weak Base Route

Research Progress on Pincer N-Heterocyclic Carbene Metal Complexes

N-heterocyclic carbene ligands with a bicyclic framework fused with either naphthalene or anthracene

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