US PATENT SUBCLASS 435 / 64
.~ Preparing compound other than saccharide containing a tetracycline nucleus (e.g., naphacene, etc.)

Current as of: June, 1999
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435 /   HD   CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY

41  DF  MICRO-ORGANISM, TISSUE CELL CULTURE OR ENZYME USING PROCESS TO SYNTHESIZE A DESIRED CHEMICAL COMPOUND OR COMPOSITION {26}
64.~ Preparing compound other than saccharide containing a tetracycline nucleus (e.g., naphacene, etc.)

DEFINITION

Classification: 435/64

Preparing compound other than saccharide containing a tetracycline nucleus (e.g., naphthacene, etc.):

(under subclass 41) Processes wherein the product synthesized

contains a naphthacene ring system (i.e., see figure below) and nonsaccharide ring unsaturated derivatives thereof. [figure]

(1) Note. Tetracyclines are properly classified here.

(2) Note. Saccharide derivatives are excluded herefrom.

SEE OR SEARCH THIS CLASS, SUBCLASS:

78, for saccharide derivatives.