US PATENT SUBCLASS 546 / 183
.~.~.~.~.~ Chalcogen bonded directly to ring carbon of the bicyclo ring system

Current as of: June, 1999
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546 /   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) {1}
1  DF  .~.~ Hetero ring is six-membered consisting of one nitrogen and five carbons {24}
26  DF  .~.~.~ Polycyclo ring system having the six-membered hetero ring as one of the cyclos {9}
112  DF  .~.~.~.~ Bicyclo ring system having the six-membered hetero ring as one of the cyclos {7}
183.~.~.~.~.~ Chalcogen bonded directly to ring carbon of the bicyclo ring system

DEFINITION

Classification: 546/183

Chalcogen bonded directly to ring carbon of the bicyclo ring system:

(under subclass 112) Compounds in which chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to ring carbon of the bicyclo ring system.

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