Ir-catalyzed functionalization of 2-substituted indoles at the 7-position: Nitrogen-directed aromatic borylation

被引:223
作者
Paul, Sulagna [1 ]
Chotana, Ghayoor A. [1 ]
Holmes, Daniel [1 ]
Reichle, Rebecca C. [1 ]
Maleczka, Robert E., Jr. [1 ]
Smith, Milton R., III [1 ]
机构
[1] Michigan State Univ, Dept Chem, E Lansing, MI 48824 USA
关键词
D O I
10.1021/ja0631652
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Ir-catalyzed borylation of 2-substituted indoles selectively yields 7-borylated products in good yields. N-Protection, required for previous functionalizations of 2-substituted indoles, is unnecessary. Copyright © 2006 American Chemical Society.
引用
收藏
页码:15552 / 15553
页数:2
相关论文
共 28 条
[21]   Arylboronic acids and arylpinacolboronate esters in Suzuki coupling reactions involving indoles.: Partner role swapping and heterocycle protection [J].
Prieto, M ;
Zurita, E ;
Rosa, E ;
Muñoz, L ;
Lloyd-Williams, P ;
Giralt, E .
JOURNAL OF ORGANIC CHEMISTRY, 2004, 69 (20) :6812-6820
[22]  
STROH R, 1959, LIEBIGS ANN CHEM, V623, P176
[23]  
SUNDBERG RJ, 1984, COMPREHENSIVE HETERO, V4, P314
[24]   Iridium-catalyzed C-H coupling reaction of heteroaromatic compounds with bis(pinacolato)diboron: regioselective synthesis of heteroarylboronates [J].
Takagi, J ;
Sato, K ;
Hartwig, JF ;
Ishiyama, T ;
Miyaura, N .
TETRAHEDRON LETTERS, 2002, 43 (32) :5649-5651
[25]   Regioselective aromatic borylation in an inert solvent [J].
Tse, MK ;
Cho, JY ;
Smith, MR .
ORGANIC LETTERS, 2001, 3 (18) :2831-2833
[26]   Direct C-arylation of free (NH)-indoles and pyrroles catalyzed by Ar-Rh(III) complexes assembled in situ [J].
Wang, X ;
Lane, BS ;
Sames, D .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2005, 127 (14) :4996-4997
[27]   Beyond thermodynamic acidity: A perspective on the complex-induced proximity effect (CIPE) in deprotonation reactions [J].
Whisler, MC ;
MacNeil, S ;
Snieckus, V ;
Beak, P .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2004, 43 (17) :2206-2225
[28]   DETECTION OF A NEW CHLOROPEROXIDASE IN PSEUDOMONAS-PYRROCINIA [J].
WIESNER, W ;
VANPEE, KH ;
LINGENS, F .
FEBS LETTERS, 1986, 209 (02) :321-324