US PATENT SUBCLASS 546 / 147
.~.~.~.~.~.~.~ The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens

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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}
139  DF  .~.~.~.~.~ Isoquinolines (including hydrogenated) {10}
146  DF  .~.~.~.~.~.~ Having -C(=X)-, wherein X is chalcogen, attached directly or indirectly to the isoquinoline ring system by nonionic bonding {1}
147.~.~.~.~.~.~.~ The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens

DEFINITION

Classification: 546/147

The -C(=X)- is Part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens:

(under subclass 146) Compounds in which the -C(=X)- is part of a group, wherein the X's are the same, or diverse, chalcogens (i.e., oxygen, sulfur, selenium, or tellurium.)

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