Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2005-03-22
2005-03-22
McKane, Joseph K. (Department: 1626)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C514S323000, C548S453000, C546S201000
Reexamination Certificate
active
06869971
ABSTRACT:
UCS 1025 derivatives having antitumor activity or antibacterial activity which are represented by formula (I):wherein R1represents hydrogen, lower alkyl, etc.; R2represents hydrogen, or is combined with R3to represent a bond, etc., or is combined with R4to represent —O(C═O)—, etc.; R3represents hydrogen, etc., or is combined with R2to represent a bond, etc.; R4represents hydrogen, etc., or is combined with R2to represent —(C═O)O—, etc.; R5represents hydrogen or is combined with R6to represent a bond; R6represents hydrogen, etc., or is combined with R5to represent a bond; R7represents hydrogen or is combined with R8to represent ═O; R8represents hydroxy or is combined with R7to represent ═O;----represents a single bond or a double bond, and a represents a single bond (two carbon atoms to which a is bound are combined to form a single bond) or an oxygen atom, or pharmaceutically acceptable salts thereof.
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Agatsuma Tsutomu
Akama Tsutomu
Asai Akira
Ikeda Shun-ichi
Kanda Yutaka
Anderson Rebecca
Fitzpatrick ,Cella, Harper & Scinto
Kyowa Hakko Kogyo Co. Ltd.
McKane Joseph K.
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