US PATENT SUBCLASS 548 / 174
.~.~.~.~.~.~.~ Sulfur double bonded or thiol 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}
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}
174.~.~.~.~.~.~.~ Sulfur double bonded or thiol bonded directly to ring carbon of the thiazole ring {2}
175  DF  .~.~.~.~.~.~.~>.~ Process of forming the bicyclo ring system {1}
177  DF  .~.~.~.~.~.~.~>.~ Purification or recovery

DEFINITION

Classification: 548/174

(under subclass 165) Compounds in which sulfur attached directly to a ring carbon of the thiazole ring is either (a) attached by a double bond or (b) in a -SH or -SM group, wherein M is a Group IA or Group IIA light metal, i.e., a

metal having a specific gravity less than 4.

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