US PATENT SUBCLASS 504 / 242
.~.~.~.~.~ Chalcogen bonded directly to ring carbon of the diazine ring

Current as of: June, 1999
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504 /   HD   PLANT PROTECTING AND REGULATING COMPOSITIONS

116  DF  PLANT GROWTH REGULATING COMPOSITIONS (E.G., HERBICIDES, ETC.) {9}
189  DF  .~ Organic active compound containing {19}
209  DF  .~.~ Hetero ring containing {11}
235  DF  .~.~.~ Hetero ring is six-membered consisting of two nitrogens and four carbons (e.g., 1,4-diazines, etc.) {2}
239  DF  .~.~.~.~ 1,3-diazines (including hydrogenated) {2}
242.~.~.~.~.~ Chalcogen bonded directly to ring carbon of the diazine ring {1}
243  DF  .~.~.~.~.~.~> Plural chalcogens bonded directly to ring carbons of the diazine ring (e.g., uracils, etc.)

DEFINITION

Classification: 504/242

Chalcogen bonded directly to ring carbon of the diazine ring:

(under subclass 239) Compositions wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to a ring carbon of the diazine ring.