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:
Mar. 07, 1995
Filed:
Apr. 20, 1994
Applicant:
Inventors:
Patrick O'Neill, Arklow, IE;
Henry Doran, Bray, IE;
Assignee:
Schering Corporation, Kenilworth, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568811 ; 568814 ;
Abstract
Described is a process for preparing 2-phenyl-1,3-propanediol by converting the 2-nitro-2-phenyl-1,3-propanediol to a nitro-dioxane of the formula ##STR1## wherein the groups R are both C.sub.1 -C.sub.6 alkyl or together comprise a C.sub.5 -C.sub.6 cycloalkyl group, or wherein one R group is H and the other is phenyl; hydrogenolysis of the nitro-dioxane to give a dioxane of the formula ##STR2## wherein R is as defined above; and hydrolyzing the dioxane to form 2-phenyl-1,3-propanediol.