US PATENT SUBCLASS 546 / 127
.~.~.~.~.~.~ Chalcogen bonded directly to ring carbon of the tropane 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}
124  DF  .~.~.~.~.~ Tropanes (including nor and dehydro forms) {3}
127.~.~.~.~.~.~ Chalcogen bonded directly to ring carbon of the tropane ring system {2}
128  DF  .~.~.~.~.~.~.~> Polycyclo-carbocyclic ring system
129  DF  .~.~.~.~.~.~.~> Additional chalcogen attached directly or indirectly to the tropane ring system by nonionic bonding {1}

DEFINITION

Classification: 546/127

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

(under subclass 124) Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to a ring carbon of the tropane ring system.

(1) Note. An example of a compound provided for herein is: [figure]