US PATENT SUBCLASS 548 / 465
.~.~.~.~.~ Additional hetero ring, attached directly or indirectly to the bicyclo ring system by nonionic bonding


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



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}
400  DF  .~.~ Hetero ring is five-membered consisting of one nitrogen and four carbons (e.g., halopyrrolidines, etc.) {20}
416  DF  .~.~.~ Polycyclo ring system having the five-membered hetero ring as one of the cyclos {5}
452  DF  .~.~.~.~ Bicyclo ring system having the five-membered hetero ring as one of the cyclos (e.g., octahydroindoles, etc.) {7}
465.~.~.~.~.~ Additional hetero ring, attached directly or indirectly to the bicyclo ring system by nonionic bonding {2}
466  DF  .~.~.~.~.~.~> The additional hetero ring is bonded directly to a ring carbon of the bicyclo ring system
467  DF  .~.~.~.~.~.~> Substituent on ring carbon of the bicyclo ring system contains the additional hetero ring {1}


DEFINITION

Classification: 548/465

(under subclass 452) Compounds wherein an additional hetero ring is attached directly or indirectly to the bicyclo ring system by nonionic bonding.

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