US PATENT SUBCLASS 548 / 185
.~.~.~.~.~.~ Having -C(=X)-, wherein X is chalcogen, bonded directly to nitrogen


Current as of: June, 1999
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548 /   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) {4}
100  DF  .~.~ Hetero ring is five-membered having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazoles, etc.) {18}
146  DF  .~.~.~ 1,3-thiazoles (including hydrogenated) {7}
182  DF  .~.~.~.~ Chalcogen bonded directly to ring carbon of the thiazole ring {4}
184  DF  .~.~.~.~.~ Nitrogen attached directly to the thiazole ring by nonionic bonding {1}
185.~.~.~.~.~.~ Having -C(=X)-, wherein X is chalcogen, bonded directly to nitrogen


DEFINITION

Classification: 548/185

(under subclass 184) Compounds in which nitrogen is bonded directly to a group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).

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