US PATENT SUBCLASS 504 / 254
.~.~.~.~ Chalcogen bonded directly to ring carbon of the six-membered hetero 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}
244  DF  .~.~.~ Hetero ring is six-membered consisting of one nitrogen and five carbons {6}
254.~.~.~.~ Chalcogen bonded directly to ring carbon of the six-membered hetero ring {2}
255  DF  .~.~.~.~.~> Nitrogen, other than as nitro or nitroso, or -C(=X)-, wherein X is chalcogen, bonded directly to ring carbon of the six-membered hetero ring
256  DF  .~.~.~.~.~> Benzene ring bonded directly to the chalcogen {2}

DEFINITION

Classification: 504/254

Chalcogen bonded directly to ring carbon of the six-membered hetero ring:

(under subclass 244) Compositions wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to a ring carbon of the six-membered hetero ring.