US PATENT SUBCLASS 548 / 224
.~.~.~.~.~ Carbocyclic ring bonded directly at the 2-position 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}
217  DF  .~.~.~.~ Polycyclo ring system having the oxazole ring as one of the cyclos {6}
224.~.~.~.~.~ Carbocyclic ring bonded directly at the 2-position of the oxazole ring

DEFINITION

Classification: 548/224

(under subclass 217) Compounds wherein a carbocyclic ring is bonded directly to the carbon atom in the 2-position of the oxazole ring, i.e., the ring carbon between the ring oxygen and the ring nitrogen.

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