Synthesis of 2-phenylnaphthalenes from styryl-2-methoxybenzenes
作者:Ramesh Mudududdla、Rohit Sharma、Sheenu Abbat、Prasad V. Bharatam、Ram A. Vishwakarma、Sandip B. Bharate
DOI:10.1039/c4cc05151c
日期:——
A new simple and efficient method for the synthesis of 2-phenylnaphthalenes from electron-rich 1-styryl-2-methoxybenzenes has been described. The reaction proceeds via TFA catalyzed C-C bond cleavage followed by intermolecular [4+2]-Diels-Alder cycloaddition of an in situ formed styrenyl trifluoroacetate intermediate. The quantum chemical calculations identified the transition state for the cycloaddition
Synthesis of 2-phenylnaphthalenes from styrene oxides using a recyclable Brønsted acidic [HNMP]<sup>+</sup>HSO<sub>4</sub><sup>−</sup> ionic liquid
作者:Kishor V. Wagh、Bhalchandra M. Bhanage
DOI:10.1039/c5gc01170a
日期:——
This work reports novel and efficient protocol for the synthesis of 2-phenylnaphthalenes from styrene oxides using recylable ionic liquid. The ionic liquid N-methyl-2-pyrrolidone hydrogensulfate [HNMP]+HSO4- played a dual role of...
We report a straightforward, metal-free, efficient protocol for the synthesis of 2-phenylnaphthalenes from 1-phenylethane-1,2-diols under mild conditions. In this strategy, 1,1,1,3,3,3-hexafluoro-2-propanol is used as a solvent that stabilizes the reaction intermediate. An in situ IR experiment revealed that the reaction proceeds through the formation of phenylacetaldehyde followed by a [4+2] Diels–Alder
我们报告了一种在温和条件下从 1-苯基乙烷-1,2-二醇合成 2-苯基萘的简单、无金属、有效的方案。在该策略中,1,1,1,3,3,3-六氟-2-丙醇用作稳定反应中间体的溶剂。原位 IR 实验表明,该反应通过苯乙醛的形成以及 [4+2] Diels-Alder 反应进行。进行了几个对照实验以获得对反应的机理见解。
Formation of 2-arylnaphthalenes from N-tosylated phenylalanine derivatives
作者:Mi Ra Seong、Hyun Nam Song、Jae Nyoung Kim
DOI:10.1016/s0040-4039(98)01507-x
日期:1998.9
N-Tosylated phenylalanine derivatives in benzene in the presence of sulfuric acid afforded 2-arylnaphthalene derivatives in moderate yields. The reaction might proceed via the corresponding decarbonylated N-tosylimine derivatives. Aldol type reaction of N-tosylimines followed by intramolecular Friedel-Crafts reaction and elimination of p-toluenesulfonamide gave 2-arylnaphthalenes. (C) 1998 Elsevier Science Ltd. All rights reserved.