US PATENT SUBCLASS 548 / 506
.~.~.~.~.~.~.~.~ Benzene ring bonded directly or attached indirectly by an acyclic carbon or an acyclic carbon chain to ring carbon of the five-membered hetero ring

Current as of: June, 1999
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548 /   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) {4}
400  DF  .~.~ Hetero ring is five-membered consisting of one nitrogen and four carbons (e.g., halopyrrolidines, etc.) {20}
416  DF  .~.~.~ Polycyclo ring system having the five-membered hetero ring as one of the cyclos {5}
452  DF  .~.~.~.~ Bicyclo ring system having the five-membered hetero ring as one of the cyclos (e.g., octahydroindoles, etc.) {7}
469  DF  .~.~.~.~.~ The bicyclo ring system consists of the five-membered hetero ring and a benzene ring (e.g., indole, etc.) {10}
503  DF  .~.~.~.~.~.~ Nitrogen attached indirectly to ring carbon of the bicyclo ring system by acyclic nonionic bonding {1}
504  DF  .~.~.~.~.~.~.~ Nitrogen attached indirectly to ring carbon of the five-membered hetero ring by acyclic nonionic bonding (e.g., tryptamine, etc.) {3}
506.~.~.~.~.~.~.~.~ Benzene ring bonded directly or attached indirectly by an acyclic carbon or an acyclic carbon chain to ring carbon of the five-membered hetero ring

DEFINITION

Classification: 548/506

(under subclass 504) Compounds wherein a benzene ring is bonded directly to a ring carbon of the five-membered hetero ring, or a benzene ring is attached indirectly to a ring carbon of the five-membered hetero ring by an acyclic carbon atom or acyclic carbon chain.

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

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