Controlled couplings of quinone monoacetals using reusable polystyrene-anchored specific proton catalyst

被引：16
作者：
Dohi, Toshifumi [1 ]
Hu, Yinjun [1 ]
Kamitanaka, Tohru [1 ]
Kita, Yasuyuki [1 ]
机构：
[1] Ritsumeikan Univ, Coll Pharmaceut Sci, Shiga 5258577, Japan
来源：
TETRAHEDRON | 2012年 / 68卷 / 40期
关键词：
Bronsted acid; Heterogeneous catalysis; Recycling; Quinones; Heterocyclic compd; Fluoroalcohol; HYPERVALENT IODINE REAGENTS; CONJUGATE ADDITIONS; GRIGNARD-REAGENTS; CHEMISTRY; MONOKETALS; AMINOMETHYL; RESIN; OLIGOMERIZATION; CYCLOADDITION; AROMATIZATION;
D O I：
10.1016/j.tet.2012.07.089
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Controlled couplings of quinone monoacetals 1 with soft nucelophiles have been achieved using a new and reusable perfluorobenzoic acid (PFBA) immobilized on polystyrene beads as an efficient polymer-anchored specific proton. Various advantages regarding the recovery, reusability, and reproducibility as well as the high chemoselectivity toward quinone monoacetals 1 have been determined as the key features of the cleaner systems with newly developed solid acid promoter for the reactions. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：8424 / 8430
页数：7
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