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Reference

Effects of the Intramolecular NH×××S Hydrogen Bond in Mononuclear Platinum(II) and Palladium(II) Complexes with 2,2'-Bipyridine and Benzenethiol Derivatives

Effects of the Intramolecular NH×××S Hydrogen Bond in Mononuclear Platinum(II) and Palladium(II) Complexes with 2,2'-Bipyridine and Benzenethiol Derivatives. Kato, Masahiro; Okamura, Takaaki; Yamamoto, Hitoshi; Ueyama, Norikazu (Department of Macromolecular Science, Graduate School of Science, Osaka University, Osaka 560-0043, Japan). Inorganic Chemistry, 44(6), 1966-1972 (English) 2005 American Chemical Society. CODEN: INOCAJ. ISSN: 0020-1669. DOCUMENT TYPE: Journal CA Section: 78 (Inorganic Chemicals and Reactions) Section cross-reference(s): 72, 75 Complexes, [M(bpy)(SAr)2] (M = Pt(II) or Pd(II), bpy = 2,2'-bipyridine, SAr = 2- or 4-(acylamino)benzenethiolate, or 2-(alkylcarbamoyl)benzenethiolate), were synthesized and characterized from 1H NMR, IR, and electrochem. properties. The structures of [Pt(bpy)(S-2-Ph3CCONHC6H4)2] (1) and [Pt(bpy)(S-2-t-BuNHCOC6H4)2] (3) were detd. by x-ray anal. The complexes have intramol. NH×××S H bonds between the amide NH group and the S atom. A weak NH×××S H bond in these complexes and [Pd(bpy)(S-2-Ph3CCONHC6H4)2] (4) is detected from the 1H NMR spectra and the IR spectra in CHCl3 and in the solid state. [Pt(bpy)(S-2-Ph3CCONHC6H4)2] (1) exhibits a remarkably high-energy-shifted lowest-energy band in UV-visible spectra and has a pos. shifted oxidn. potential. The blue-shift of 42 nm and the pos.In this experiment, several chemicals are used like 849796-76-5 shift of +0.24 V, as compared to those of [Pt(bpy)(SPh)2], are due to the effect of the NH×××S H bond. .

Preparation of benzenethiol esters and their use in hydrolase detection

Preparation of benzenethiol esters and their use in hydrolase detection. Kawanishi, Tetsuaki; Asai, Hiroyuki; Suzuki, Hiroshi (Terumo Corp., Japan). Jpn. 143003-56-9 are also occured in this study. Kokai Tokkyo Koho JP 04103568 A2 6 Apr 1992 Heisei, 8 pp. (Japan). CODEN: JKXXAF. CLASS: ICM: C07C327-20. ICS: C12Q001-44. ICA: C07K005-06; C07K005-08; C07K005-10; C07K007-06. ICI: C07K099-00. APPLICATION: JP 90-218986 22 Aug 1990. DOCUMENT TYPE: Patent CA Section: 25 (Benzene, Its Derivatives, and Condensed Benzenoid Compounds) Section cross-reference(s): 7 Benzenethiol esters [I; R1-R5 = H, halo, alkyl, alkoxy, OH, aryl, etc., A = amino acid or peptide residue; B = amino-protecting group] are prepd. DCC was added to a soln. of PhSH, N-tosyl-L-alanine, and 1-hydroxybenzotriazole in THF with stirring at 0° and room temp to give 92.3% I (R1-R5 = H, AB = N-tosyl-Ala), which was incorporated into a filter paper test strip for colorimetric detn. of leukocytes in blood to show an absorbance of 0.202 at 100 cells/mL, vs. 0.525 with a control. .