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:
Jan. 07, 1992
Filed:
Feb. 01, 1990
Applicant:
Inventors:
Assignee:
Pharmachemie B.V., Haarlem, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07H / ;
U.S. Cl.
CPC ...
536-64 ; 552201 ;
Abstract
The invention relates to novel compounds of the formulae ##STR1## wherein S is H, alkyl or alkoxy and R is a good leaving group, and to the preparation of these compounds in a stereospecific manner to obtain a configuration wherein OH at C-3 and OR at C-1 are in the cis-position, which compounds can be used for the synthesis of daunomycinone and derivatives thereof. Daunomycinone can be used for the preparation of daunomycin and adriamycin.