US PATENT SUBCLASS 548 / 233
.~.~.~.~ Nitrogen bonded directly to ring carbon of the oxazole ring


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}
215  DF  .~.~.~ 1,3-oxazoles (including hydrogenated) {6}
233.~.~.~.~ Nitrogen bonded directly to ring carbon of the oxazole ring {1}
234  DF  .~.~.~.~.~> Additional ring attached directly to the nitrogen by nonionic bonding


DEFINITION

Classification: 548/233

(under subclass 215) Compounds wherein nitro- is bonded directly to ring carbon of the oxazole ring.