US PATENT SUBCLASS 546 / 336
.~.~.~.~.~ Acyclic nitrogen bonded directly to a -C(=X)- group, wherein X is chalcogen

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  DF  .~.~.~ Nitrogen attached indirectly to the six-membered hetero ring by nonionic bonding {5}
334  DF  .~.~.~.~ Chalcogen attached indirectly to the six-membered hetero ring by nonionic bonding {3}
336.~.~.~.~.~ Acyclic nitrogen bonded directly to a -C(=X)- group, wherein X is chalcogen {1}
337  DF  .~.~.~.~.~.~> Additional ring containing

DEFINITION

Classification: 546/336

Acyclic nitrogen bonded directly to A -C(=X)- group wherein X is chalcogen:

(under subclass 334) Compounds wherein acyclic nitrogen is bonded directly to a group, in which X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).

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