Novel coupling of thiols into disulfides, via S-Nitrosothiol intermediates using trichloronitromethane

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2000

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İğdir, A. Çiğdem

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https://hdl.handle.net/11511/2650

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Graduate School of Natural and Applied Sciences, Thesis

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Novel conversion of thiols into disulfides, via S-nitrosothiol intermediates using trichloronitromethane Demir, Ayhan Sıtkı; Igdir, AC; Mahasneh, AS (1999-10-15) An efficient oxidative coupling of thiols to give disulfides via thionitrite (S-nitrosothiol) intermediate is described using trichloronitromethane as an efficient reagent in organic solvents and water. Cysteine and glutathione are converted into the corresponding disulfides in water in high yields.
Novel enantioselective synthesis of both enantiomers of furan-2-yl Amines and amino acids Demir, Ayhan Sıtkı; Sesemoglu, O; Ulku, D; Arici, C (Wiley, 2003-01-01) A new enantioselective synthesis of furan-2-yl amines and amino acids is described, in which the key step is the oxazaborolidine-catalyzed enantioselective reduction of O-benzyl (E)- and (Z)-furan-2-yl ketone oximes to the corresponding chiral amines. The chirality of the furan-2-yl amines is fully controlled by the appropriate choice of the geometrical isomer of the O-benzyl oxime. Oxidation of the furan ring furnished amino acids in high yields.
Novel synthesis of substituted homochiral pyrrole derivatives Demir, Ayhan Sıtkı (2005-03-13)
NOVEL RING EXPANSION REACTIONS USING FISCHER CARBENE COMPLEXES HERNDON, JW; Zora, Metin; LI, YH (1994-08-01)
Novel enantioselective synthesis of trans-α-(2-carboxycyclo-prop-1- yl)glycines: Conformationally constrained L-glutamate analogues Demir, Ayhan Sıtkı; Tanyeli, Cihangir; CAGİR, Ali; Nawaz Tahir, M.; Ulku, Dincer (1998-03-27) D- and L-alpha-(2-carboxycycloprop-1-yl)glycines were synthesized from trans-1,3-di(2-furyl)propenane. Conversion of the double bond to a cyclopropane is followed by-the formation of an oxime ether. Enantioselective reduction of the oxime ether, separation of diastereomers and oxidation of the furane rings gave enantiomerically pure D- and L-CCG I and CCG II. The structure of oxime 7b was determined by X-ray crystal structure analysis. The key step is the oxazaborolidine catalyzed enantioselective conversio...

Citation Formats

A. Ç. İğdir, “Novel coupling of thiols into disulfides, via S-Nitrosothiol intermediates using trichloronitromethane,” Middle East Technical University, 2000.