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:
May. 20, 1997
Filed:
May. 09, 1995
Applicant:
Inventors:
Wolfgang Pfleiderer, Constance, DE;
Frank Bergmann, Weissenberg, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07H / ;
U.S. Cl.
CPC ...
536 271 ; 536 2721 ; 536 2761 ; 536 2762 ; 536 2763 ; 536 278 ; 536 2781 ; 536 2854 ;
Abstract
Dansylethoxycarbonyl (Dans-EOC) groups which can be employed as base-labile 5'hydroxyl protective groups in chemical oligonucleotide synthesis are disclosed. These groups allow the preparation of a compound of the formula (I) ##STR1## which comprises reacting the compound of the formula (II) ##STR2## with a chlorocarbonyl donor.