Acyclic diaminocarbenes (ADCs) and their catalytic activity in metal catalysed organic transformation reactions

IF 4.1 3区 化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR Reviews in Inorganic Chemistry Pub Date : 2023-08-25 DOI:10.1515/revic-2022-0037
A. Maurya, Rajpal Tyagi
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Abstract

Abstract Acyclic diaminocarbenes (ADCs)–Metal complex having strong donor ability and thermal stability led to extensive usability across every area of inorganic and organometallic chemistry. The unique properties of acyclic diaminocarbenes (ADCs) provide certain advantages over other carbene ligands and have the potential to make a great impact in catalysis. Further, the straightforward synthesis of M–ADCs (metal bound acyclic diaminocarbenes) complexes via metal-mediated reaction provides a wide range of well-defined metal carbene catalysts, which might inspire more researchers to devise unsymmetrically substituted, chiral, and novel acyclic carbene compounds. Although the above synthetic route is limited to a few late transition metals, but have great opportunities to expand the scope of this method. The application of M–ADCs complexes as a catalyst for several organic transformation reactions such as various cross-coupling reactions and asymmetric synthesis like hydroarylation, hydroazidation, hydroamination, cyclization and addition reactions which have shown comparable or even higher activities than the analogous M–NHCs based on all the reports presented. Recent findings of donor ability of several ADC ligands would be useful in fine-tuning the electronic properties, and then a catalyst with a certain combination of donicity and steric requirement could open new doors in catalytic reactivity. Thus, the objective of this review is to assess the recent growths that have been made in designing novel and chiral ADCs ligands and synthesizing ADCs–Metal complexes and to highlight catalytic activities of metal acyclic diaminocarbene complexes for cross-coupling reactions.
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非环二氨基卡宾(ADC)及其在金属催化有机转化反应中的催化活性
摘要无环二氨基卡宾(ADC)-具有强大供体能力和热稳定性的金属络合物在无机和有机金属化学的各个领域都具有广泛的可用性。无环二氨基卡宾(ADC)的独特性质提供了优于其他卡宾配体的某些优势,并有可能在催化中产生巨大影响。此外,通过金属介导的反应直接合成M–ADC(金属结合的无环二氨基卡宾)复合物提供了一系列定义明确的金属卡宾催化剂,这可能会激励更多的研究人员设计不对称取代的、手性的和新型的无环卡宾化合物。虽然上述合成路线仅限于少数晚期过渡金属,但有很大的机会扩大这种方法的范围。M–ADC络合物作为催化剂在几种有机转化反应中的应用,如各种交叉偶联反应和不对称合成,如加氢芳基化、加氢叠氮化、加氢胺化、环化和加成反应,这些反应显示出与类似的M–NHCs相当甚至更高的活性。最近对几种ADC配体的供体能力的发现将有助于微调电子性质,然后具有一定的多尼性和空间要求组合的催化剂可以在催化反应性方面打开新的大门。因此,本综述的目的是评估最近在设计新型手性ADC配体和合成ADC-金属络合物方面取得的进展,并强调金属非环二氨基卡宾络合物对交叉偶联反应的催化活性。
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来源期刊
Reviews in Inorganic Chemistry
Reviews in Inorganic Chemistry 化学-分析化学
CiteScore
7.30
自引率
4.90%
发文量
20
审稿时长
1 months
期刊介绍: Reviews in Inorganic Chemistry (REVIC) is a quarterly, peer-reviewed journal that focuses on developments in inorganic chemistry. Technical reviews offer detailed synthesis protocols, reviews of methodology and descriptions of apparatus. Topics are treated from a synthetic, theoretical, or analytical perspective. The editors and the publisher are committed to high quality standards and rapid handling of the review and publication process. The journal publishes all aspects of solid-state, molecular and surface chemistry. Topics may be treated from a synthetic, theoretical, or analytical perspective. The editors and the publisher are commited to high quality standards and rapid handling of the review and publication process. Topics: -Main group chemistry- Transition metal chemistry- Coordination chemistry- Organometallic chemistry- Catalysis- Bioinorganic chemistry- Supramolecular chemistry- Ionic liquids
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