US PATENT SUBCLASS 549 / 398
.~.~.~.~.~.~ The bicyclo ring system consists of the hetero ring and a six-membered carbocyclic ring


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549 /   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) {2}
200  DF  .~.~ Oxygen containing hetero ring (e.g., dioxirane, etc.) {16}
356  DF  .~.~.~ The hetero ring is six-membered {9}
381  DF  .~.~.~.~ Polycyclo ring system having the hetero ring as one of the cyclos {4}
396  DF  .~.~.~.~.~ Bicyclo ring system having the hetero ring as one of the cyclos {2}
398.~.~.~.~.~.~ The bicyclo ring system consists of the hetero ring and a six-membered carbocyclic ring {6}
399  DF  .~.~.~.~.~.~.~> Chalcogen bonded directly to the hetero ring {2}
404  DF  .~.~.~.~.~.~.~> Nitrogen bonded directly to the bicyclo ring system
405  DF  .~.~.~.~.~.~.~> Having -C(=X)-, wherein X is chalcogen, bonded directly to the bicyclo ring system
406  DF  .~.~.~.~.~.~.~> Carbocyclic ring bonded directly to the hetero ring of the bicyclo ring system (e.g., flavanes, etc.)
407  DF  .~.~.~.~.~.~.~> Chalcogen or nitrogen attached indirectly to the hetero ring by acyclic nonionic bonding
408  DF  .~.~.~.~.~.~.~> Chalcogen bonded directly to the carbocyclic ring of the bicyclo ring system (e.g., tocopherols, etc.) {5}


DEFINITION

Classification: 549/398

(under subclass 396) Compound in which the bicyclo ring system consists of the six-membered hetero ring and a six-member carbocyclic ring.

(1) Note. An example of a compound provided for herein is: [figure]