US PATENT SUBCLASS 546 / 85
.~.~.~.~.~.~.~.~ The six-membered hetero ring shares ring members with the five-membered cyclo only (e.g., pyrido-indoles, etc.)

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}
79  DF  .~.~.~.~ Tricyclo ring system having the six-membered hetero ring as one of the cyclos {7}
80  DF  .~.~.~.~.~ Plural ring hetero atoms in the tricyclo ring system {2}
81  DF  .~.~.~.~.~.~ Plural ring nitrogens in the tricyclo ring system {3}
84  DF  .~.~.~.~.~.~.~ One of the cyclos is five-membered {1}
85.~.~.~.~.~.~.~.~ The six-membered hetero ring shares ring members with the five-membered cyclo only (e.g., pyrido-indoles, etc.) {2}
86  DF  .~.~.~.~.~.~.~>.~.~ Chalcogen bonded directly to ring carbon of the tricyclo ring system
87  DF  .~.~.~.~.~.~.~>.~.~ Nitrogen attached directly or indirectly to the tricyclo ring system by nonionic bonding

DEFINITION

Classification: 546/85

The six-membered hetero ring shares ring members with the five-membered cyclo only (e.g., pyrido-indoles, etc.):

(under subclass 84) Compounds in which the six-membered hetero ring has ring members in common with the five-membered ring only in the tricyclo ring system.

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