US PATENT SUBCLASS 546 / 329
.~.~.~ Nitrogen attached indirectly to the six-membered hetero ring by nonionic bonding

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}
329.~.~.~ Nitrogen attached indirectly to the six-membered hetero ring by nonionic bonding {5}
330  DF  .~.~.~.~> Cyano attached indirectly to the six-membered hetero ring by nonionic bonding
331  DF  .~.~.~.~> Sulfur and acyclic nitrogen bonded directly to the same carbon
332  DF  .~.~.~.~> Plural acyclic nitrogens bonded directly to the same carbon or single bonded directly to each other
333  DF  .~.~.~.~> The six-membered hetero ring and another ring bonded directly to the same carbon
334  DF  .~.~.~.~> Chalcogen attached indirectly to the six-membered hetero ring by nonionic bonding {3}

DEFINITION

Classification: 546/329

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

(under subclass 1) Compounds wherein nitrogen is attached indirectly to the six-membered hetero ring by nonionic bonding.

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