909779-48-2Relevant academic research and scientific papers
PYROGLUTAMATE SALTS AND THEIR USE IN THE OPTICAL RESOLUTION OF INTERMEDIATES FOR THE SYNTHESIS OF DEXTROCETIRIZINE AND LEVOCETIRIZINE
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Page/Page column 8, (2008/06/13)
The present invention relates to (S)-2-[4-(4-chlorobenzhydryl)piperazin-1-yl]- ethoxyacetamide - (S)-pyrrolidone-5-carboxylic acid salt; (R)-2-[4-(4-chlorobenzhydryl)piperazin-1-yl]-ethoxyacetamide - (S)-pyrrolidone-5-carboxylic acid salt; (S)-2-[4-(4-chl
