US PATENT SUBCLASS 546 / 162
.~.~.~.~.~.~.~ Nitrogen attached indirectly to the six-membered hetero ring through the directly attached nitrogen by nonionic bonding


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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}
26  DF  .~.~.~ Polycyclo ring system having the six-membered hetero ring as one of the cyclos {9}
112  DF  .~.~.~.~ Bicyclo ring system having the six-membered hetero ring as one of the cyclos {7}
152  DF  .~.~.~.~.~ Quinolines (including hydrogenated) {14}
159  DF  .~.~.~.~.~.~ Nitrogen, other than as nitro or nitroso, attached directly to the six membered hetero ring by nonionic bonding {2}
162.~.~.~.~.~.~.~ Nitrogen attached indirectly to the six-membered hetero ring through the directly attached nitrogen by nonionic bonding {1}
163  DF  .~.~.~.~.~.~.~>.~ Both nitrogens bonded directly to the same acyclic hydrocarbon group


DEFINITION

Classification: 546/162

Nitrogen attached indirectly to the six-membered hetero ring through the directly attached nitrogen by nonionic bonding:

(under subclass 159) Compounds wherein nitrogen is attached indirectly to the six-membered hetero ring through the nitrogen which is directly attached by nonionic bonding.

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