US PATENT SUBCLASS 546 / 201
.~.~.~.~.~.~.~.~ Bicyclo ring system which is indole (including hydrogenated)

Current as of: June, 1999
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546 /   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) {1}
1  DF  .~.~ Hetero ring is six-membered consisting of one nitrogen and five carbons {24}
184  DF  .~.~.~ Piperidines {8}
192  DF  .~.~.~.~ Additional ring containing {9}
195  DF  .~.~.~.~.~ The additional ring is one of the cyclos in a polycyclo ring system {3}
196  DF  .~.~.~.~.~.~ Hetero ring in the polycyclo ring system {3}
200  DF  .~.~.~.~.~.~.~ Ring nitrogen in the polycyclo ring system {1}
201.~.~.~.~.~.~.~.~ Bicyclo ring system which is indole (including hydrogenated)

DEFINITION

Classification: 546/201

Bicyclo ring system which is indole (including hydrogenated):

(under subclass 200) Compounds wherein the polycyclo ring system is bicyclo and consists of the following basic structure in which the bonds between the ring members may be single or double bonds: [figure]

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