US PATENT SUBCLASS 546 / 129
.~.~.~.~.~.~.~ Additional chalcogen attached directly or indirectly to the tropane ring system by nonionic bonding


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



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}
124  DF  .~.~.~.~.~ Tropanes (including nor and dehydro forms) {3}
127  DF  .~.~.~.~.~.~ Chalcogen bonded directly to ring carbon of the tropane ring system {2}
129.~.~.~.~.~.~.~ Additional chalcogen attached directly or indirectly to the tropane ring system by nonionic bonding {1}
130  DF  .~.~.~.~.~.~.~>.~ Three or more oxygens attached directly or indirectly to the tropane ring system by nonionic bonding {1}


DEFINITION

Classification: 546/129

Additional chalcogen attached directly or indirectly to the tropane ring system by nonionic bonding:

(under subclass 127) Compounds wherein additional chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached directly or indirectly to the tropane ring system by nonionic bonding.

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