US PATENT SUBCLASS 548 / 367.4
.~.~.~.~.~ Nitrogen attached directly to the diazole ring by nonionic bonding


Current as of: June, 1999
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548 /   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) {4}
100  DF  .~.~ Hetero ring is five-membered having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazoles, etc.) {18}
356.1  DF  .~.~.~ 1,2-diazoles (including hydrogenated) {8}
366.1  DF  .~.~.~.~ Chalcogen bonded directly to ring carbon of the diazole ring {7}
367.4.~.~.~.~.~ Nitrogen attached directly to the diazole ring by nonionic bonding {5}
367.7  DF  .~.~.~.~.~.~> The nitrogen is multiply bonded to acyclic carbon or is bonded to nitrogen of the diazole ring
368.1  DF  .~.~.~.~.~.~> Chalcogen attached directly to the nitrogen by nonionic bonding [e.g., 5- (2-carbethoxyphenoxy)-1,3-dimethyl-4-nitropyrazole, etc.]
368.4  DF  .~.~.~.~.~.~> Having -C(=X)-, wherein X is chalcogen, bonded directly to the nitrogen
368.7  DF  .~.~.~.~.~.~> The nitrogen and the chalcogen are directly bonded to non-adjacent carbons of the diazole ring (e.g., pyrazolone imide or imino pyrazolone, etc.)
369.1  DF  .~.~.~.~.~.~> Chalcogen attached indirectly to the nitrogen by acyclic nonionic bonding


DEFINITION

Classification: 548/367.4

(under subclass 366.1) Compounds wherein nitrogen is attached directly to the diazole ring by nonionic bonding.

(1) Note. This subclass contains, for example: [figure] [figure]