A synthesis of (arylthio-ethylidene)indolin-2-ones via S-arylation of oxoindolin-ethanethiolates with aryl halides
Publish place: 20th Iranian Chemical Congress
Publish Year: 1397
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
IRANCC20_572
تاریخ نمایه سازی: 28 اردیبهشت 1398
Abstract:
In recent years, Ullmann-type reactions have grown into a versatile tool for access to C−X (X = C, N, O, S, etc.) bonds [1]. Although several palladium, nickel, and cobaltcatalysts have proven to be highly effective in such coupling processes [2], copper reagents are favorable catalytic systems for C-X bond-forming reactions. [3]. Among various cross-coupling reactions, S-arylation is comparatively less studied.Herein, we report a novel protocol for the synthesis of (Z/E)-3-[2-oxo-2-aryl-1- (arylthio)ethylidene]indolin-2-ones by a one-pot reaction of 1-aryl-2-thiocyanatoethan- 1-ones, isatin, and aryl halides in DMF. (Fig. 1). The structures of products were characterized by their IR, 1H NMR, 13C NMR and mass spectral data. Various advantages of these transformations will be presented and discussed.
Authors
Zohreh Taheri
Department of Chemistry, Tarbiat Modares University, Tehran, Iran
Sara Sheikhi,
Department of Chemistry, Tarbiat Modares University, Tehran, Iran
Issa Yavari
Department of Chemistry, Tarbiat Modares University, Tehran, Iran