US PATENT SUBCLASS 540 / 491
.~.~.~.~.~.~ The chalcogen and the nitrogen are in the 1,5-positions of the bicyclo ring system (e.g., 1,5-benzothiazepinone, etc.)

Current as of: June, 1999
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540 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
1  DF  .~ HETEROCYCLIC CARBON COMPOUNDS CONTAINING A HETERO RING HAVING CHALCOGEN (I.E., OXYGEN, SULFUR, SELENIUM OR TELLURIUM) OR NITROGEN AS THE ONLY RING HETERO ATOMS {6}
484  DF  .~.~ The hetero ring contains seven members including nitrogen and carbon {14}
485  DF  .~.~.~ Chalcogen double bonded directly to a ring carbon adjacent to the ring nitrogen (e.g., caprolactam, etc.) {15}
488  DF  .~.~.~.~ Chalcogen in the hetero ring {2}
490  DF  .~.~.~.~.~ Bicyclo ring system having the hetero ring as one of the cyclos {1}
491.~.~.~.~.~.~ The chalcogen and the nitrogen are in the 1,5-positions of the bicyclo ring system (e.g., 1,5-benzothiazepinone, etc.)

DEFINITION

Classification: 540/491

(under subclass 490) Compounds wherein the chalcogen and the nitrogen are in the 1,5-positions of the bicyclo ring system; i.e., [figure]

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

[figure]