The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 23, 1999
Filed:
Mar. 09, 1998
Johannes Meiwes, Idstein, DE;
Manfred Worm, Wiesbaden, DE;
Hoechst Marion Roussel Deutschland GmbH, Frankfurt am Main, DE;
Abstract
The invention relates to the preparation of the compound 4-(4-(4-(hydroxydiphenyl)-1-piperidinyl)-1-hydroxybutyl)-.alpha.,.alpha.-d imethylphenylacetic acid and its phosphorylated derivatives. These compounds can be prepared from .alpha.-(p-tert-butylphenyl)-4-(.alpha.-hydroxy-.alpha.-phenylbenzyl)-1-pi peridinylbutanol with the aid of fungi of the genus Cunninghamella or Absidia. The compounds according to the present invention can be used as pharmaceuticals for the treatment of allergic disorders, allergic rhinitis or asthma. Compounds of the formula II in which R.sup.1 is --CH.sub.2 --O--P(O)(OH).sub.2 and R.sup.2 is --OH; R.sup.1 is --CH.sub.3 and R.sup.2 is --O--P(O)(OH).sub.2 ; or