Binuclear Ru(III)-Containing Polyoxometalate with Efficient Photocatalytic Activity for Oxidative Coupling of Amines to Imines.
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DOI: 10.1021/acs.inorgchem.1c03282
Abstract: A novel binuclear ruthenium-based polyoxometalate, K6H[{Ru2Cl(H2O)(CH3COO)2}{WO(H2O)}2(PW9O34)2]·14H2O (1), was successfully synthesized by the conventional hydrothermal method. Compound 1 was well-characterized by single-crystal X-ray diffraction, X-ray powder diffraction (PXRD), infrared (IR) spectroscopy, X-ray photoelectron spectroscopy (XPS), electrospray… read more here.
Keywords: amines imines; spectroscopy; photocatalytic activity; oxidative coupling ... See more keywords
Cross-Coupling of Amines via Photocatalytic Denitrogenation of In Situ Generated Diazenes.
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DOI: 10.1021/jacs.3c03634
Abstract: A method for C(sp3)-C(sp3) cross-coupling of amines is described. Primary amines are converted to 1,2-dialkyldiazenes by treatment with O-nosylhydroxylamines in the presence of atmospheric oxygen. Denitrogenation of the diazenes with an iridium photocatalyst then forges… read more here.
Keywords: via photocatalytic; coupling amines; cross coupling; denitrogenation ... See more keywords
Sulfonamide Synthesis through Electrochemical Oxidative Coupling of Amines and Thiols
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DOI: 10.1021/jacs.9b02266
Abstract: Sulfonamides are key motifs in pharmaceuticals and agrochemicals, spurring the continuous development of novel and efficient synthetic methods to access these functional groups. Herein, we report an environmentally benign electrochemical method which enables the oxidative… read more here.
Keywords: sulfonamide synthesis; amines thiols; synthesis electrochemical; electrochemical oxidative ... See more keywords
π-Conjugated polymeric phthalocyanine for the oxidative coupling of amines.
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DOI: 10.1039/c9cc09422a
Abstract: A cross-linked π-conjugated polymeric cobalt phthalocyanine material was developed by a facile, economical, scalable, and solid-phase synthesis method. In addition to being highly recyclable, this material showed greatly enhanced activity for the aerobic oxidative coupling… read more here.
Keywords: conjugated polymeric; phthalocyanine oxidative; polymeric phthalocyanine; oxidative coupling ... See more keywords
Direct synthesis of amides and imines by dehydrogenative homo or cross-coupling of amines and alcohols catalyzed by Cu-MOF
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DOI: 10.1039/d1ra03142b
Abstract: Oxidative dehydrogenative homo-coupling of amines to imines and cross-coupling of amines with alcohols to amides was achieved with high to moderate yields at room temperature in THF using Cu-MOF as an efficient and recyclable heterogeneous… read more here.
Keywords: amides imines; cross coupling; dehydrogenative homo; coupling amines ... See more keywords
Extended phenothiazines: synthesis, photophysical and redox properties, and efficient photocatalytic oxidative coupling of amines
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DOI: 10.1039/d2sc01086k
Abstract: Herein we successfully developed a ring-fusion approach to extend the conjugation length of phenothiazines and synthesized a series of novel extended phenothiazines 1–5. The intriguing π-conjugation length-dependent photophysical and redox properties of 1–5, and their… read more here.
Keywords: coupling amines; extended phenothiazines; photophysical redox; redox properties ... See more keywords
Hypervalent iodine-promoted twofold oxidative coupling of amines with amides and thioamides: chemoselective pathway to oxazoles and thiazoles
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DOI: 10.1039/d3sc00301a
Abstract: Direct functionalization of the C(O)–N amide bond is one of the most high-profile research directions in the last few decades; however oxidative couplings involving amide bonds and functionalization of thioamide C(S)–N analogues remain an unsolved… read more here.
Keywords: coupling amines; hypervalent iodine; twofold oxidative; coupling ... See more keywords