958378-24-0Relevant articles and documents
INTERMEDIATES USEFUL FOR THE PREPARATION OF ANTIHISTAMINIC PIPERIDINE DERIVATIVE
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Page/Page column 14; 18, (2008/06/13)
The present invention relates to process for preparing antihistaminic piperidine derivative, specifically fexofenadine and its pharmaceutically acceptable salts by using novel synthetic intermediates of following formula (I), wherein R is lower alkyl; R2 is H, cyclopropyl, R1is alkyl, 4-(hydroxy-dipheτiyl-methyl)-piperidin-l-yl.