01634nas a2200205   4500008004100000022001400041245020900055210006900264260007500333300001200408520071500420653002701135653002401162653001701186100002601203700002401229700002601253700001901279856013001298       2007                        eng d  a0936-521400aReactions of o-aminothiophenol and o-aminophenyl disulfide with itaconic anhydride and (-)-dimenthyl itaconate: access to enantiomerically pure 1,5-benzothiazepines and benzothiazolyl-2-methylacrylic acid0 aReactions of oaminothiophenol and oaminophenyl disulfide with it  aRUDIGERSTR 14, D-70469 STUTTGART, GERMANYbGEORG THIEME VERLAG KGcFEB  a457-4633 a<p>{A facile chemo- and regioselective reactions of o-aminothiophenol (o-ATP) with itaconic anhydride is described. 1,5-Benzothiazepinyl-3-acetic acid is obtained in 81% yield via the exclusive Michael type addition of the thiol unit from o-ATP to the carbon-carbon double bond in itaconic anhydride followed by an intramolecular anhydride ring opening with an amine unit. The moderately stereoselective Michael type addition of the thiol unit from o-ATP to (-)-dimenthyl itaconate to obtain a mixture of diastereomers in a 7:3 ratio in 82% yield has been demonstrated. The reductive sulfur-sulfur bond cleavage in the dicarboxylic acid, 2({2-[2-(3-carboxybut-3-enoylamino)phenyidisulfanyl]phenylcarbamoyl\</p>10aMagnetic nanoparticles10amagnetic properties10aspin glasses1 aBaag, Md., Merajuddin1 aSahoo, Manoj, Kumar1 aPuranik, Vedavati, G.1 aArgade, N., P.  uhttps://library.ncl.res.in/content/reactions-o-aminothiophenol-and-o-aminophenyl-disulfide-itaconic-anhydride-and-dimenthyl-0