Results 41 to 50 of about 56,275 (312)
Palladium-Catalyzed Debenzylative Cross-Coupling of Aryl Benzyl Sulfides with Aryl Bromides: Synthesis of Diaryl Sulfides [PDF]
, 2016 A novel debenzylative approach to synthesize diaryl sulfides from aryl benzyl sulfides and aryl bromides in good to excellent yields is reported. Mechanistic studies suggest a single catalyst, derived from Pd(dba)2 and NiXantPhos, efficiently catalyzes ...
Jianyou Mao (1426300) +3 more
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Synthesis of Aryl Sulfides by Metal-Free Arylation of Thiols with Diaryliodonium Salts [PDF]
, 2021 Metal-free arylation of thiols with diaryliodonium salts has been developed. The application of a strong organic base ena-bles the C–S bond formation under mild and experimentally simple conditions.
Natalia , Wojciechowska +3 more
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Литосфера, 2018 In the Avzyan ore-bearing region the sulfides from the low-sulfide gold-quartz deposits (Ulyuk-Bar, Kurgashly) are characterized by higher concentrations of As, Co, Ni, Cu, Pb in comparison with sulfides from sediments outside of ore-bearing zones.
Sergei V. Michurin +5 more
doaj +1 more source
SULFUR SOURCES OF SULFIDES OF THE AK-SUG CU-AU PORPHYRY DEPOSIT, EASTERN TUVA [PDF]
Минералогия, 2019 The paper presents the S isotopic composition of sulfides from the Ak-Sug Au-Cu-porphyry deposit hosted by Early Proterozoic magmatic rocks. The S isotopic composition of sulfides varies from +1.0 to +3.2 ‰: +2.5 to +3.2 ‰ for molybdenite-I, +1.0 to +3.1
R.V. Kuzhuget +2 more
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Experimental Research on Environmental Friendly Gold Leaching of a Refractory Gold Ore in Laos
Kuangchan zonghe liyong, 2022 The gold ore type of the gold mining in Laos is altered rock. Gold is the only recyclable element in the ore. Metal minerals are mainly iron sulfides. Part of the gold is wrapped in sulfide, which belongs to the refractory gold ore.
Weigang Kang, Jingyu Chen
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Role of Sulfur Compounds in Vegetable and Mushroom Aroma
Molecules, 2022 At the base of the food pyramid is vegetables, which should be consumed most often of all food products, especially in raw and unprocessed form. Vegetables and mushrooms are rich sources of bioactive compounds that can fulfill various functions in plants,
Monika A. Marcinkowska, Henryk H. Jeleń
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Nanostructured metal sulfides for energy storage [PDF]
, 2014 Advanced electrodes with a high energy density at high power are urgently needed for high-performance energy storage devices, including lithium-ion batteries (LIBs) and supercapacitors (SCs), to fulfil the requirements of future electrochemical power ...
Rui, Xianhong, Yan, Qingyu, Tan, Huiteng
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Photocatalytic Thiol–Yne Reactions of Alkynyl Sulfides [PDF]
, 2023 Thiol–yne reactions typically employ thiols and terminal alkynes as the reaction partners. The thiol–yne reaction of alkynyl sulfides and thiols is possible when employing a nonmetal photocatalyst eosin Y, green LED irradiation, under an air atmosphere ...
Oliver Bleton (17482404) +3 more
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Conversion of 2-(trimethylsilyl)ethyl sulfides into thioesters [PDF]
, 1999 Treatment of 2-(trimethylsilyl)ethyl sulfides with a carboxylic acid chloride and AgBF4 in CH2Cl2 furnishes the corresponding thioesters in high yields and purities.
Grundberg, Hans, +3 more
core +3 more sources
Metals, 2022 The influence of Ca treatment, Mg treatment and Ca–Mg combined treatment on the inclusions in 45MnVS non-quenched and tempered steel were studied in the present work.
Lijuan Su +7 more
doaj +1 more source