US PATENT SUBCLASS 546 / 273.4
.~.~.~.~.~.~.~ Bicyclo ring system which is benzimidazole (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}
268.1  DF  .~.~.~ Additional hetero ring containing {4}
268.4  DF  .~.~.~.~ The additional hetero ring is five-membered having two or more ring hetero atoms of which at least one is nitrogen {9}
272.7  DF  .~.~.~.~.~ 1,3-diazoles (including hydrogenated) {5}
273.1  DF  .~.~.~.~.~.~ Polycyclo ring system having the 1,3-diazole ring as one of the cyclos {1}
273.4.~.~.~.~.~.~.~ Bicyclo ring system which is benzimidazole (including hydrogenated) {1}
273.7  DF  .~.~.~.~.~.~.~>.~ Chalcogen bonded directly to a ring carbon of the 1,3-diazole ring


DEFINITION

Classification: 546/273.4

Bicyclo ring system which is benzimidazole (including hydrogenated):

(under subclass 273.1) 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]