US PATENT SUBCLASS 548 / 573
.~.~.~.~.~.~ The -C(=X)X- group is in a substituent attached to the ring nitrogen of the five-membered hetero ring (e.g., beta-pyrrolidyl ethyl ester of benzoic acid, etc.)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
570  DF  .~.~.~ Chalcogen attached indirectly to the five-membered hetero ring by acyclic nonionic bonding {2}
571  DF  .~.~.~.~ The chalcogen, X, is in a -C(=X)- group (e.g., 1-phenyl -2-pyrrolidino hexanone-1, etc.) {1}
572  DF  .~.~.~.~.~ The -C(=X)- is part of a -C(=X)X- group wherein the X's are the same or diverse chalcogens (e.g., 3-pyrrolidinemethanol propionates, etc.) {1}
573.~.~.~.~.~.~ The -C(=X)X- group is in a substituent attached to the ring nitrogen of the five-membered hetero ring (e.g., beta-pyrrolidyl ethyl ester of benzoic acid, etc.)

DEFINITION

Classification: 548/573

(under subclass 572) Compounds wherein the X group is part of a substituent attached to the ring nitrogen of the five-membered hetero ring.

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