US PATENT SUBCLASS 548 / 169
.~.~.~.~.~.~.~ Chalcogen attached indirectly to the thiazole 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}
146  DF  .~.~.~ 1,3-thiazoles (including hydrogenated) {7}
148  DF  .~.~.~.~ Polycyclo ring system having the thiazole ring as one of the cyclos {3}
152  DF  .~.~.~.~.~ Bicyclo ring system having the thiazole ring as one of the cyclos {8}
165  DF  .~.~.~.~.~.~ Chalcogen bonded directly to ring carbon of the thiazole ring {5}
169.~.~.~.~.~.~.~ Chalcogen attached indirectly to the thiazole ring by nonionic bonding {2}
170  DF  .~.~.~.~.~.~.~>.~ The chalcogen, X, is in a -C(=X)- group {1}
172  DF  .~.~.~.~.~.~.~>.~ Nitrogen attached directly to chalcogen by nonionic bonding

DEFINITION

Classification: 548/169

(under subclass 165) Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached indirectly to the thiazole ring by nonionic bonding.

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