US PATENT SUBCLASS 546 / 232
.~.~.~.~.~.~ Chalcogen attached indirectly to the piperidine ring by nonionic bonding

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546 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
*  DD  .~ HETEROCYCLIC CARBON COMPOUNDS CONTAINING A HETERO RING HAVING CHALCOGEN (I.E., OXYGEN, SULFUR, SELENIUM, OR TELLURIUM) OR NITROGEN AS THE ONLY RING HETERO ATOMS (Class 540, subclass 1) {1}
1  DF  .~.~ Hetero ring is six-membered consisting of one nitrogen and five carbons {24}
184  DF  .~.~.~ Piperidines {8}
192  DF  .~.~.~.~ Additional ring containing {9}
229  DF  .~.~.~.~.~ Nitrogen attached indirectly to the piperidine ring by nonionic bonding {3}
232.~.~.~.~.~.~ Chalcogen attached indirectly to the piperidine ring by nonionic bonding {2}
233  DF  .~.~.~.~.~.~.~> Acyclic nitrogen bonded directly to a -C(=X)- group, wherein X is chalcogen {1}
235  DF  .~.~.~.~.~.~.~> The chalcogen, X, is in a -C(=X)- group

DEFINITION

Classification: 546/232

Chalcogen attached indirectly to the piperidine ring by nonionic bonding:

(under subclass 229) Compounds in which chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached indirectly to the piperidine ring by nonionic bonding.

(1) Note. Examples of compounds provided for herein are: [figure] [figure]