US PATENT SUBCLASS 546 / 130
.~.~.~.~.~.~.~.~ Three or more oxygens attached directly or indirectly to the tropane ring system by nonionic bonding

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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  DF  .~.~.~.~.~.~ Chalcogen bonded directly to ring carbon of the tropane ring system {2}
129  DF  .~.~.~.~.~.~.~ Additional chalcogen attached directly or indirectly to the tropane ring system by nonionic bonding {1}
130.~.~.~.~.~.~.~.~ Three or more oxygens attached directly or indirectly to the tropane ring system by nonionic bonding {1}
131  DF  .~.~.~.~.~.~.~>.~.~ Hydroxy containing or containing oxy bonded directly to a Group IA or Group IIA light metal (i.e., -OH or -OM containing)

DEFINITION

Classification: 546/130

Three or more oxygens attached directly or indirectly to the tropane ring system by nonionic bonding:

(under subclass 129) Compounds in which at least three oxygens are attached directly or indirectly to the tropane ring system by nonionic bonding.

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