Palladium-Catalyzed Synthesis of 3,6-Diaryl-1-silylfulvenes: A Promising Entry for Preparing 1,3,6-Triarylfulvenes Bearing Three Different Aryl Groups.
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DOI: 10.1021/acs.orglett.3c00340
Abstract: We developed a synthetic methodology for preparing (E)-1,3,6-triarylfulvenes bearing three different aryl groups. The reaction of 1,4-diaryl-1-bromo-1,3-butadienes with silylacetylenes in the presence of a palladium catalyst produced (E)-3,6-diaryl-1-silyl-fulvenes in good to excellent yields. The (isopropoxy)silylated… read more here.
Keywords: aryl groups; bearing three; three different; preparing triarylfulvenes ... See more keywords
Pd/Gorlos-Phos-catalyzed cross-coupling between two different aryl chlorides in the presence of B2Pin2 and cytotoxicity studies of the products
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DOI: 10.1039/c8qo00781k
Abstract: With the readily available Gorlos-Phos as a ligand, unsymmetrical biaryls were prepared efficiently from Pd-catalyzed one-pot two-step cross-coupling of two different aryl chlorides in the presence of B2Pin2, tolerating functional groups such as aldehyde, ketone,… read more here.
Keywords: coupling two; gorlos phos; cross coupling; different aryl ... See more keywords
Different Aryl Thiourea Compounds as Flotation Collectors in a Lead–Zinc Sulfide Mixed System
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DOI: 10.3390/min13060759
Abstract: The primary coexisting mineral with galena is sphalerite. Hence, it is critical to selectively separate galena from sphalerite by flotation. In this work, thiourea and related derivatives as potential flotation collectors for separating galena from… read more here.
Keywords: flotation collectors; aryl thiourea; flotation; galena sphalerite ... See more keywords