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Non-Pincer-Type Arene Ru(II) Catalysts for the Direct Synthesis of Azines from Alcohols and Hydrazine under Aerobic Conditions
Organometallics ( IF 2.5 ) Pub Date : 2020-08-21 , DOI: 10.1021/acs.organomet.0c00367
Sundar Saranya 1 , Rengan Ramesh 1 , David Sémeril 2
Affiliation  

We report a tandem approach to synthesize symmetrical azines from alcohols and hydrazine hydrate catalyzed by synthesized arene Ru(II) complexes of aroylthiourea ligand. Notably, the catalytic efficiencies of six- and four-membered N,S-chelate ruthenium complexes were evaluated. The catalytic reaction exhibits complete selectivity for symmetrical azines. A diverse range of azines was synthesized in good to high yields using a catalyst loading of 0.5 mol %, in marked contrast to the previous reports. Remarkably, the catalytic reaction operates under aerobic and mild reaction conditions with the release of water as the only byproduct.

中文翻译:

在有氧条件下由醇和肼直接合成叠氮化合物的非辛型Arene Ru(II)催化剂

我们报告了串联方法从芳烃硫脲配体的合成芳烃Ru(II)配合物催化的醇和水合肼合成对称的嗪。值得注意的是,评价了六元和四元NS-螯合钌配合物的催化效率。催化反应对对称的嗪具有完全的选择性。与以前的报道形成鲜明对比的是,使用0.5 mol%的催化剂负载量,以高到高的产率合成了各种不同的杂志。值得注意的是,催化反应在有氧和温和的反应条件下进行,只有水作为副产物释放。
更新日期:2020-09-14
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