52601-81-7Relevant articles and documents
Enantiomers of 1-[(4-chlorophenyl)phenylmethyl]-4-[(4-methylphenyl) sulfonyl]piperazine
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, (2008/06/13)
Levorotatory and dextrorotatory enantiomers of 1-[(4-chlorophenyl)phenylmethyl]-4-[(4-methylphenyl)sulfonyl]piperazine of the formula STR1 their preparation and use for the preparation of substantially optically pure enantiomers of 1-[(4-chlorophenyl)phenylmethyl]piperazine, which are themselves valuable intermediate products for the preparation of optically active therapeutic compounds having a very high degree of optical purity.
Chromogenic Diaza-Crown Ether Dicarboxylic Acids for Determination of Calcium Ions
Bartsch, Richard A.,Chapoteau, Eddy,Czech, Bronislaw P.,Krzykawski, Jan,Kumar, Anand,Robison, Thomas W.
, p. 616 - 621 (2007/10/02)
The synthesis of two novel calcium chromoionophores 2 and 3, which are based on a benzodiazacrown ether with an inward-facing methoxyl group and bear two acetic acid groups and a 2,4,6-trinitroanilino chromophore, is described.Calcium and magnesium respon