US PATENT SUBCLASS 546 / 168
.~.~.~.~.~.~ Having -C(=X)-, wherein X is chalcogen, bonded directly to the quinoline 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}
152  DF  .~.~.~.~.~ Quinolines (including hydrogenated) {14}
168.~.~.~.~.~.~ Having -C(=X)-, wherein X is chalcogen, bonded directly to the quinoline ring system {2}
169  DF  .~.~.~.~.~.~.~> Acyclic nitrogen bonded directly to the -C(=X)- group
170  DF  .~.~.~.~.~.~.~> The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens

DEFINITION

Classification: 546/168

Having -C(=X)-, wherein X is chalcogen, bonded directly to the quinoline ring system:

Compounds under subclas 152 wherein a group, in which X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), is bonded directly to the quinoline ring system.