US PATENT SUBCLASS 546 / 223-- .~.~.~.~.~ Nitrogen attached directly to the piperidine ring by nonionic bonding

US PATENT SUBCLASS 546 / 223
.~.~.~.~.~ Nitrogen attached directly to the piperidine ring by nonionic bonding

Current as of: June, 1999
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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}
223		.~.~.~.~.~ Nitrogen attached directly to the piperidine ring by nonionic bonding {1}
224	DF	.~.~.~.~.~.~> Acyclic nitrogen bonded directly to a -C(=X)- group, wherein X is chalcogen

DEFINITION

Classification: 546/223

Nitrogen attached directly to the piperidine ring by nonionic bonding:

(under subclass 192) Compounds in which nitrogen is attached directly to the piperidine ring by nonionic bonding.

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

SEE OR SEARCH THIS CLASS, SUBCLASS:

304+, for tautomers of nitrogen double bonded directly to piperidine (i.e., nitrogen attached directly to pyridine or partially hydrogenated pyridine), e.g., [figure]