US PATENT SUBCLASS 548 / 209
.~.~.~.~.~ Acyclic chalcogen bonded directly to ring carbon of the thiazole ring

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}
206  DF  .~.~.~ 1,2-thiazoles (including hydrogenated) {3}
207  DF  .~.~.~.~ Polycyclo ring system having the thiazole ring as one of the cyclos {3}
209.~.~.~.~.~ Acyclic chalcogen bonded directly to ring carbon of the thiazole ring {1}
210  DF  .~.~.~.~.~.~> At least three chalcogens bonded directly to the thiazole ring {1}

DEFINITION

Classification: 548/209

(under subclass 207) Compounds wherein acyclic chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to a ring carbon of the thiazole ring.