Ru(II)-catalyzed α-sulfonamidation of cyclic β-ketoesters with sulfonyl azides

被引：1
|
作者：
Rao, M. V. Krishna [1 ,3 ]
Reddy, K. Nagarjuna [1 ,3 ]
Sridhar, B. [2 ]
Reddy, B. V. Subba [1 ]
机构：
[1] CSIR Indian Inst Chem Technol, Ctr Semiochem, Hyderabad 500007, Telangana, India
[2] CSIR Indian Inst Chem Technol, Lab Xray Crystallog, Hyderabad 500007, Telangana, India
[3] Acad Sci & Innovat Res AcSIR, New Delhi 110025, India
来源：
TETRAHEDRON LETTERS | 2019年 / 60卷 / 41期
关键词：
Transition metal catalysis; Cyclic beta-ketoesters; Sulfonyl azides; alpha-Sulfonamidation; KETO-ESTERS; 1,3-DICARBONYL COMPOUNDS; TRANSFER HYDROGENATION; LEAD-TETRAACETATE; DIRECT AMINATION; RING-EXPANSION; LIGANDS; DICHLOROMETHANE; HYDROXYLATION; DERIVATIVES;
D O I：
10.1016/j.tetlet.2019.151083
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
alpha-Sulfonamidation of beta-ketoesters with sulfonyl azide has been developed for the first time using a catalytic amount of Ru(II) complex to produce the 1-oxo-2-(sulfonamido)-2,3-dihydro-1H-indene-2-carboxylate and 1-oxo-2-(sulfonamido)-1,2,3,4-tetrahydronaphthalene-2-carboxylate derivatives in good yields. This method also works well with alpha-iodotetralones to afford the N-(1,4-dioxo-1,4-dihydronaphthalen-2-yl)sulphonamide derivatives under similar conditions. (C) 2019 Elsevier Ltd. All rights reserved.
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页数：4
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