نتایج جستجو برای: pot synthesis
تعداد نتایج: 417578 فیلتر نتایج به سال:
A facile synthesis of 4-indole benzofurans from the one-pot reaction of 4-alkyl-2-ynylphenols and indoles via a hypervalent iodine-induced oxidative dearomatization, a silver-catalyzed cascade Michael addition-annulation, and an aromatization is reported.
Conventional supported heterogeneous palladium catalysts in combination with a dicyanamide based ionic liquid are highly active with excellent selectivity in enabling the one-pot synthesis of citronellal through citral hydrogenation.
Activation of imide carbonyl group with trifluoromethanesulfonic acid facilitates the intramolecular cyclization of phenethylphthalimides to give a fused isoindoloisoquinolinone skeleton. The first one pot regioselective synthesis of isoindoloisoquinolinone alkaloid (±)-nuevamine has been successfully executed using this methodology.
The total synthesis of a glycoglycerolipid isolate of Meiothermus taiwanensis and its truncated structural analogues is reported. Our synthesis employed DMF-modulated and low-concentration glycosylation reactions for the construction of α- and β-glycosidic bonds in the absence of participating protecting groups. Further simplification of the synthesis was achieved by employing a low-concentrati...
Synthesis 2001, No. 11, 28 08 2001. Article Identifier: 1437-210X,E;2001,0,11,1737,1741,ftx,en;C03601ss.pdf. © Georg Thieme Verlag Stuttgart · New York ISSN 0039-7881 Abstract: A formal catalytic asymmetric synthesis of (+)-biotin was realized. The key steps involve a catalytic, highly enantioselective and quantitative desymmetrization of a meso cyclic anhydride followed by a one-pot chemoselec...
The aesthetics of beautiful molecules has been, and still is, a strong motivation for many chemists. Complex interwoven structures such as catenanes, rotaxanes, and knots are even nowadays appealing because of their interesting topological properties, although their functions as molecular machines have become more and more of the focus of interest. The ability of chemistry to realize the mathem...
A single step one-pot in situ synthesis method was developed to directly grow layered intercalation compounds. This methdology is expected to be applicable to a wide range of layered materials.
A facile and efficient one-pot synthesis of substituted cyclophosphamidic chlorides and their analogues has been developed from readily available enaminones, 2-arylamino-3-acetyl-5,6-dihydro-4H-pyrans.
A one-pot three component condensation synthesis of imidazo[1,5-a]pyridines using of various aromatic aldehydes and dipyridil ketone with ammonium acetate in the presence of Lithium chloride as catalyst in good yields under microwave irradiation has been described.
A sequential Pd-mediated multi-component reaction followed by Suzuki or Heck or Sonogashira coupling in a single pot has been developed for the synthesis of functionalized pyrroles as potential inhibitors of PDE4.
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