US PATENT SUBCLASS 548 / 220
.~.~.~.~.~.~ Plural oxazole-containing polycyclo ring systems each bonded directly to the same polycyclo ring system or the same hetero 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}
219  DF  .~.~.~.~.~ Plural polycyclo ring systems having the oxazole ring as one of the cyclos in each of the ring systems {1}
220.~.~.~.~.~.~ Plural oxazole-containing polycyclo ring systems each bonded directly to the same polycyclo ring system or the same hetero ring

DEFINITION

Classification: 548/220

(under subclass 219) Compounds wherein the plural oxazole-containing polycyclo ring systems are each bonded directly either (a) to the same polycyclo ring system or (b) to the same hetero ring.

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