US PATENT SUBCLASS 544 / 194
.~.~.~.~ Substituent nitrogen bonded directly to carbon of the triazine ring


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544 /   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 having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazines, etc.) {6}
180  DF  .~.~.~ Triazines {11}
194.~.~.~.~ Substituent nitrogen bonded directly to carbon of the triazine ring {5}
195  DF  .~.~.~.~.~> Phosphorus containing
196  DF  .~.~.~.~.~> Three substituent nitrogens bonded directly to the three carbons of the triazine ring {3}
204  DF  .~.~.~.~.~> Two substituent nitrogens bonded directly to two carbons of the triazine ring {3}
211  DF  .~.~.~.~.~> Additional ring containing {1}
213  DF  .~.~.~.~.~> Sulfur containing


DEFINITION

Classification: 544/194

(under subclass 180) Compounds wherein nitrogen, in addition to the three ring nitrogens, is bonded directly to a ring carbon of the six-membered hetero ring.

(1) Note. This subclass provides for compounds such as: [figure] [figure]

(2) Note. Ammelide is provided for here.

SEE OR SEARCH THIS CLASS, SUBCLASS:

182+, for all asmmetrical triazine rings, regardless of substitution.