The Experts below are selected from a list of 243 Experts worldwide ranked by ideXlab platform
Manijeh Nematpour - One of the best experts on this subject based on the ideXlab platform.
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A new route for the synthesis of functionalized benzo[d]imidazo[5,1-b]thiazol-1-amine derivatives from benzothiazole, trichloroacetamidines and terminal alkynes
Journal of Sulfur Chemistry, 2020Co-Authors: Maryam Bayanati, Manijeh Nematpour, Niloofar Parizadeh, Anna Sedaghat, Sayyed Abbas TabatabaiaAbstract:A novel class of substituted benzo[d]imidazo[5,1-b]thiazol-1-amine derivatives was synthesized utilizing a one-pot Cu-catalyzed cycloaddition of benzothiazole, Trichloroacetonitrile, various amines...
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A Novel One-pot Protocol for the Cu-Catalyzed Synthesis of Nine 2-Aminobenzimidazole Derivatives from o-Phenylenediamine and Trichloroacetonitrile
Letters in Organic Chemistry, 2019Co-Authors: Manijeh Nematpour, Elham Abedi, Elahe AbediAbstract:The synthesis of a variety of 2-aminobenzimidazoles via a one pot reaction of ophenylenediamine and Trichloroacetonitrile catalyzed by copper (II) acetate in THF at room temperature, with good yields is described. Use of simple and readily available starting materials, good to high yields, free ligand, and no column chromatography are important features of this protocol.
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synthesis of functionalized benzothiadiazine 1 1 dioxide derivatives via intramolecular ch activation reactions of trichloroacetamidine and benzenesulfonyl chloride
Tetrahedron Letters, 2018Co-Authors: Manijeh Nematpour, Elham Rezaee, Mehdi Jahani, Sayyed Abbas TabatabaiAbstract:Abstract The synthesis of functionalized benzothiadiazine 1,1-dioxide derivatives was achieved through a novel three-component intramolecular C H activation reaction of Trichloroacetonitrile, benzenesulfonyl chloride, and various primary amines. This reaction was performed in the presence of catalytic copper(I) and l -proline as the ligand in tetrahydrofuran at room temperature.
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An efficient synthesis of novel sulfonyl[3.3.3]heteropropellanes from sulfonylacetamidines and ninhydrin-malononitrile adduct
Journal of Sulfur Chemistry, 2017Co-Authors: Manijeh Nematpour, Elahe AbediAbstract:ABSTRACTThe synthesis in good yields of a novel class of sulfonyl[3.3.3]heteropropellanes via a one pot, five-component reaction between sodium arylsulfinates, Trichloroacetonitrile, primary amines, and the malononitrile-ninhydrin adduct in H2O at room temperature has been reported.
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A green, one-pot formation of imidazolone and pyrimidinone derivatives containing a sulfonyl group
Journal of Chemical Research, 2016Co-Authors: Manijeh Nematpour, Samira Rasouli Koohi, Elahe Abedi, Mahbob LotfiAbstract:The synthesis of sulfonyl-imidazolone derivatives via a four-component reaction between sodium arylsulfinates, Trichloroacetonitrile, benzylamines and acetylenedicarboxylates in H2O at room temperature is described. When alkyl propiolate was used instead of acetylenedicarboxylates, sulfonyl-pyrimidinone was obtained.
Issa Yavari - One of the best experts on this subject based on the ideXlab platform.
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A one-pot synthesis of trichloromethylated pyrimidines from trichloroacetimidamides and acetylenic esters
Tetrahedron Letters, 2016Co-Authors: Issa Yavari, Alaleh Malekafzali, Reza Eivazzadeh-keihan, Stavroula Skoulika, Rahman AlivaisiAbstract:Abstract A one-pot synthesis of functionalized trichloromethylated pyrimidines from the reaction of trichloroacetimidamides, generated by the addition of guanidine derivatives to Trichloroacetonitrile, and acetylenic esters, in good yields is described.
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Copper‐Catalyzed Tandem Synthesis of Functionalized Sulfonyl‐yn‐imines from Sodium Arylsulfinates, Trichloroacetonitrile, and Terminal Alkynes
Helvetica Chimica Acta, 2014Co-Authors: Issa Yavari, Manijeh NematpourAbstract:A one-pot synthesis of functionalized sulfonyl-yn-imines via a Cu-catalyzed tandem reaction of sodium arylsulfinates, Trichloroacetonitrile, and terminal alkynes has been developed.
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copper catalyzed tandem synthesis of functionalized sulfonyl yn imines from sodium arylsulfinates Trichloroacetonitrile and terminal alkynes
Helvetica Chimica Acta, 2014Co-Authors: Issa Yavari, Manijeh NematpourAbstract:A one-pot synthesis of functionalized sulfonyl-yn-imines via a Cu-catalyzed tandem reaction of sodium arylsulfinates, Trichloroacetonitrile, and terminal alkynes has been developed.
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Tandem synthesis of trichloromethylated [3.3.3]propellanes from trichloroacetamidines and a ninhydrin–malononitrile adduct
Tetrahedron Letters, 2014Co-Authors: Issa Yavari, Alaleh Malekafzali, Stavroula SkoulikaAbstract:The trichloroacetamidine intermediates, generated by addition of benzylamine derivatives to Trichloroacetonitrile, react with the Knoevenagel condensation product of ninhydrin and malononitrile to afford trichloromethylated [3.3.3]propellanes, in good yields. When benzylamine was used, a plane-symmetrical spiro-compound was obtained.
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Synthesis of Functionalized Azet-2(1H)-imines through [2+2] Cycloaddition of Imines and Ketenimines
Synlett, 2013Co-Authors: Issa Yavari, Manijeh NematpourAbstract:The reaction between ketenimine intermediates, generated from terminal alkynes and sulfonyl azides, Trichloroacetonitrile, and sodium arylsulfinates in N,N-dimethylformamide at room temperature affords N-[3-aryl(alkyl)-4-arylazet-2(1H)-ylidene]-arene(alkane)sulfonamides in moderate to good yields.
Doo Ok Jang - One of the best experts on this subject based on the ideXlab platform.
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A Convenient, One-Pot Procedurefor the Preparation of Acyl and Sulfonyl Fluorides Using Cl3CCN,Ph3P, and TBAF(t-BuOH)4
Synlett, 2010Co-Authors: Joong-gon Kim, Doo Ok JangAbstract:Various carboxylic acids were converted into acyl fluorides in excellent yields by treatment with Trichloroacetonitrile, triphenylphosphine, and TBAF(t-BuOH) 4 at room temperature. The reaction was applicable to the preparation of acid-sensitive amino acid fluorides without deprotection or rearrangement.
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trifluoroacetylation of amines with trifluoroacetic acid in the presence of Trichloroacetonitrile and triphenylphosphine
Tetrahedron Letters, 2010Co-Authors: Joong-gon Kim, Doo Ok JangAbstract:Abstract We developed a mild and convenient trifluoroacetylation process for amines using a combination of Trichloroacetonitrile and triphenylphosphine. The reaction that we designed is applicable to the trifluoroacetylation of a wide variety of amines, including amines with stereogenic centers, which underwent trifluoroacetylation without racemization.
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Convenient One-Pot Synthesisof Sulfonyl Azides from Sulfonic Acids
Synlett, 2008Co-Authors: Joong-gon Kim, Doo Ok JangAbstract:We have developed a one-pot process for preparing sulfonyl azides by treating sulfonic acids with Trichloroacetonitrile, triphenylphosphine, and sodium azide at room temperature. A wide range of sulfonyl azides was synthesized in excellent yields under mild conditions.
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Direct Synthesis of Acyl Azides from Carboxylic Acids by the Combination of Trichloroacetonitrile, Triphenylphosphine and Sodium Azide
Synlett, 2008Co-Authors: Joong-gon Kim, Doo Ok JangAbstract:Various carboxylic acids were converted into acyl azides in excellent yields by treating with Trichloroacetonitrile, triphenylphosphine and sodium azide at room temperature. The reaction was applicable to the preparation of dipeptide without rearrangement.
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A CONVENIENT METHOD FOR SYNTHESIS OF SYMMETRICAL ACID ANHYDRIDES FROM CARBOXYLIC ACIDS WITH Trichloroacetonitrile AND TRIPHENYLPHOSPHINE
Synthetic Communications, 2001Co-Authors: Joong-gon Kim, Doo Ok JangAbstract:Various carboxylic acids are converted into the corresponding carboxylic acid anhydrides treated with Trichloroacetonitrile and triphenylphosphine in the presence of triethylamine at room temperature.
Akbar Heydari - One of the best experts on this subject based on the ideXlab platform.
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Trichloroacetonitrile hydrogen peroxide a simple and efficient system for the selective oxidation of tertiary and secondary amines
Tetrahedron Letters, 2014Co-Authors: Fatemeh Nikbakht, Akbar HeydariAbstract:Abstract A variety of tertiary and secondary amines were efficiently oxidized to their corresponding N-oxides and nitrones, respectively, using the Trichloroacetonitrile–hydrogen peroxide system. The in situ generated trichloromethylperoxyimidic acid is the active reagent for the oxidation processes.
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Trichloroacetonitrile–hydrogen peroxide: a simple and efficient system for the selective oxidation of tertiary and secondary amines
Tetrahedron Letters, 2014Co-Authors: Fatemeh Nikbakht, Akbar HeydariAbstract:Abstract A variety of tertiary and secondary amines were efficiently oxidized to their corresponding N -oxides and nitrones, respectively, using the Trichloroacetonitrile–hydrogen peroxide system. The in situ generated trichloromethylperoxyimidic acid is the active reagent for the oxidation processes.
Joong-gon Kim - One of the best experts on this subject based on the ideXlab platform.
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A Convenient, One-Pot Procedurefor the Preparation of Acyl and Sulfonyl Fluorides Using Cl3CCN,Ph3P, and TBAF(t-BuOH)4
Synlett, 2010Co-Authors: Joong-gon Kim, Doo Ok JangAbstract:Various carboxylic acids were converted into acyl fluorides in excellent yields by treatment with Trichloroacetonitrile, triphenylphosphine, and TBAF(t-BuOH) 4 at room temperature. The reaction was applicable to the preparation of acid-sensitive amino acid fluorides without deprotection or rearrangement.
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trifluoroacetylation of amines with trifluoroacetic acid in the presence of Trichloroacetonitrile and triphenylphosphine
Tetrahedron Letters, 2010Co-Authors: Joong-gon Kim, Doo Ok JangAbstract:Abstract We developed a mild and convenient trifluoroacetylation process for amines using a combination of Trichloroacetonitrile and triphenylphosphine. The reaction that we designed is applicable to the trifluoroacetylation of a wide variety of amines, including amines with stereogenic centers, which underwent trifluoroacetylation without racemization.
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Convenient One-Pot Synthesisof Sulfonyl Azides from Sulfonic Acids
Synlett, 2008Co-Authors: Joong-gon Kim, Doo Ok JangAbstract:We have developed a one-pot process for preparing sulfonyl azides by treating sulfonic acids with Trichloroacetonitrile, triphenylphosphine, and sodium azide at room temperature. A wide range of sulfonyl azides was synthesized in excellent yields under mild conditions.
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Direct Synthesis of Acyl Azides from Carboxylic Acids by the Combination of Trichloroacetonitrile, Triphenylphosphine and Sodium Azide
Synlett, 2008Co-Authors: Joong-gon Kim, Doo Ok JangAbstract:Various carboxylic acids were converted into acyl azides in excellent yields by treating with Trichloroacetonitrile, triphenylphosphine and sodium azide at room temperature. The reaction was applicable to the preparation of dipeptide without rearrangement.
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A CONVENIENT METHOD FOR SYNTHESIS OF SYMMETRICAL ACID ANHYDRIDES FROM CARBOXYLIC ACIDS WITH Trichloroacetonitrile AND TRIPHENYLPHOSPHINE
Synthetic Communications, 2001Co-Authors: Joong-gon Kim, Doo Ok JangAbstract:Various carboxylic acids are converted into the corresponding carboxylic acid anhydrides treated with Trichloroacetonitrile and triphenylphosphine in the presence of triethylamine at room temperature.
