US PATENT SUBCLASS 546 / 222
.~.~.~.~.~.~.~ The -C(=X)- group and the piperidine ring are bonded directly to the same chalcogen

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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}
216  DF  .~.~.~.~.~ Chalcogen bonded directly to ring carbon of the piperidine ring {3}
221  DF  .~.~.~.~.~.~ Having -C(=X)-, wherein X is chalogen, attached directly or indirectly to the piperidine ring by nonionic bonding {1}
222.~.~.~.~.~.~.~ The -C(=X)- group and the piperidine ring are bonded directly to the same chalcogen

DEFINITION

Classification: 546/222

The -C(=X)- group and the piperidine ring are bonded directly to the same chalcogen:

(under subclass 221) Compounds wherein the group and the piperidine ring are each bonded directly to the same chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) atom.

(1) Note. An example of a compound provided for herein is: [figure]