Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Mohan Thiruvazhi"'
Publikováno v:
Organic Preparations and Procedures International. 34:326-331
Autor:
George S. Wilson,§ and, Jürgen Fabian, Chunhong He, Marc Birringer, Mohan Thiruvazhi, Quangsheng Qian, Richard S. Glass, Chuangxing Guo, Xing Zhang, Edward Lorance, T. Benjamin Schroeder, Eric Block, Zhixing Shan, Russell Deorazio
Publikováno v:
Journal of the American Chemical Society. 122:5052-5064
Syntheses are presented of the 1,2-dichalcogenins: 1,2-dithiin, 1,2-diselenin, and 2-selenathiin, both substituted and unsubstituted. 1,2-Dithiin and 1,2-diselenin are prepared by reaction of PhCH2XNa (X = S or Se) with 1,4-bis(trimethylsilyl)-1,3-bu
Publikováno v:
Journal of Labelled Compounds and Radiopharmaceuticals. 43:909-915
We describe the synthesis of 3,3,4,4,3′,3′,4′,4′-homocystine-d82 in four steps. Compound 2 has been utilized as an internal standard for the LC-MS quantification of L-homocysteine 1, a marker for cardiac disease. 1,1,2,2-Tetradeutero-2-bromoe
Publikováno v:
Tetrahedron: Asymmetry. 10:4151-4156
Asymmetric syntheses of l -homocysteine 1 and l -homocystine 2 are described. Alkylation of the carbanion derived from Schollkopf reagent 3 and ensuing hydrolyses gave S -triphenylmethyl- l -homocysteine 6 . Removal of the triphenylmethyl group gave
Autor:
Russell Deorazio, Paul J. Toscano, Mohan Thiruvazhi, John Pollard, Eric Block, T. Benjamin Schroeder, Richard S. Glass, Erin E. Russell, Dennis L. Lichtenberger
Publikováno v:
Synlett. 1997:525-528
Publikováno v:
Journal of the American Chemical Society. 118:2790-2798
Peracetic acid oxidation of di-1-propenyl disulfide (8) gives (±)-(1α,2α,3β,4α,5β)-2,3-dimethyl-5,6-dithiabicyclo[2.1.1]hexane 5-oxide (10a; 10%) and (1α,2α,3α,4α,5β)-2,3-dimethyl-5,6-dithiabicyclo[2.1.1]hexane 5-oxide (11a; 11%), both als
Publikováno v:
Organic Letters. 5:1325-1327
[reaction: see text] Treatment of 1,4-dilithio-1,3-butadiyne (1) with dichalcogenides RSSR or RSeSeR affords dithio- and diseleno-1,3-butadiynes (2, 3), perthio- and perseleno-[3]-cumulenes (4, 5), perthio- and perseleno-1,3-butadienes (6, 7), and/or
Publikováno v:
ChemInform. 26
Publikováno v:
ChemInform. 31
Asymmetric syntheses of l -homocysteine 1 and l -homocystine 2 are described. Alkylation of the carbanion derived from Schollkopf reagent 3 and ensuing hydrolyses gave S -triphenylmethyl- l -homocysteine 6 . Removal of the triphenylmethyl group gave
Publikováno v:
The Journal of Organic Chemistry. 59:2273-2275
Brief total syntheses are reported for 2,4,5,1,9-pentathiadecane 2,2,9,9-tetraoxide (dysoxysulfone, 1), from the Fijian tree Dysoxylum richii, 2,3,5,1,9-pentathiadecane 9,9-dioxide (8), from shiitake mushroom (Lentinus edodes), and 2,4,5,1-tetrathiao