作者:Derek H.R. Barton、Jean-Pierre Finet、Charles Giannotti、Martial Thomas
DOI:10.1016/0040-4039(88)85256-0
日期:——
Tetravalent morpholino-tellurium derivatives and quickly oxidize hydroquinones to quinones and thiols to disulphide under neutral conditions. Bulky phenol is slowly oxidized by and to the diphenoquinone .
Facile Synthesis of 2‐Amino‐1,4‐naphthoquinones catalyzed by Molecular Iodine under Ultrasonic Irradiation
作者:Bing Liu、Shun‐Jun Ji
DOI:10.1080/00397910701866254
日期:2008.3.28
Abstract The conjugate addition reactions of amines with 1,4‐naphthoquinone were catalyzed efficiently by moleculariodine under ultrasonic irradiation to afford 2‐amino‐1,4‐naphthoquinones in moderate to excellent yields.
A General Procedure for the Efficient Synthesis of (Alkylamino)naphthoquinones
作者:Elias A. Couladouros、Zoi F. Plyta、Vassilios P. Papageorgiou
DOI:10.1021/jo9517252
日期:1996.1.1
Alkylamino derivatives of naphthazarine, juglone, and naphthoquinone have been synthesized via their corresponding bromo-analogues, in high yields, especially in the case of naphthazarins.
萘并萘,朱酮和萘醌的烷基氨基衍生物已经通过其相应的溴类似物以高收率合成,特别是在萘他林的情况下。
Silver-Catalyzed One-Pot Biarylamination of Quinones with Arylamines: Access to N-Arylamine-Functionalized p-Iminoquinone Derivatives
one-pot biarylamination of quinones with arylamines was developed to synthesize N-arylamine-functionalized p-iminoquinones derivatives. The approach employed AgOAc as the catalyst and (NH4)2S2O8 as the oxidant in the presence of 3-chlorophenylboronic acid, giving a series of N-arylamine-functionalized p-iminoquinone derivatives in moderate to good yields whereas reaction in the absence of the 3-chlorophenylboronic
开发了醌与芳胺的简明一锅二芳基化合成N-芳胺功能化的对亚氨基醌衍生物。该方法在 3-氯苯基硼酸存在下使用 AgOAc 作为催化剂,使用 (NH 4 ) 2 S 2 O 8作为氧化剂,以中等至良好的收率得到一系列N-芳胺官能化的对亚氨基醌衍生物,而反应在不存在 3-氯苯基硼酸,得到一系列N-芳胺官能化的 1,4-萘醌衍生物。这种催化方法代表了醌双官能化的分步经济且方便的策略。
Visible Light-Mediated Thiolation of Substituted 1,4-Naphthoquinones Using Eosin Y as a Photoredox Catalyst
作者:Bhawana Nagar、Basab Bijayi Dhar
DOI:10.1021/acs.joc.1c02924
日期:2022.3.4
(isolated yield of ≥75%) for thiolation of substituted 1,4-naphthoquinones using various aromatic and aliphatic thiols at room temperature is described herein. The rate-determining step of the reaction is thiyl radical generation, and the radical was characterized by high-resolution mass spectrometry. Cost effectiveness, operational simplicity, a short reaction time, high atom economy, and a very good yield
在伊红 Y 存在下,本文描述了在室温下使用各种芳香族和脂肪族硫醇对取代的 1,4-萘醌进行硫醇化的可见光诱导的一步程序(分离产率≥75%)。该反应的限速步骤是硫自由基的产生,该自由基通过高分辨质谱进行表征。成本效益、操作简单、反应时间短、原子经济性高和非常好的产率使得这种光氧化还原介导的过程成为过渡金属(例如,Cu、Ag 和 Pd)催化的醌与硫醇或二硫化物。