US PATENT SUBCLASS 548 / 365.1
.~.~.~.~.~ Plural 1,2-diazoles (including hydrogenated)

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}
364.1  DF  .~.~.~.~ Additional hetero ring attached directly or indirectly to the diazole ring by nonionic bonding {3}
365.1.~.~.~.~.~ Plural 1,2-diazoles (including hydrogenated) {1}
365.4  DF  .~.~.~.~.~.~> Two diazole rings are bonded directly to each other, to the same acyclic carbon atom or to the same acyclic carbon chain

DEFINITION

Classification: 548/365.1

(under subclass 364.1) Compounds wherein the additional hetero ring is a five membered hetero ring having two ring nitrogens occupying the 1 and 2 positions (i.e., plural 1,2-diazoles and hydrogenated forms thereof).

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