US PATENT SUBCLASS 540 / 314
.~.~.~.~.~.~.~.~.~ Having -C(=X)-, wherein X is chalcogen, single bonded directly to the nitrogen (e.g., penicillin F, 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}
200  DF  .~.~ Hetero ring is four-membered containing nitrogen and having chalcogen double bonded directly to a ring carbon which is adjacent to the ring nitrogen {7}
203  DF  .~.~.~ Polycyclo ring system containing the hetero ring as one of the cyclos {4}
302  DF  .~.~.~.~ The ring nitrogen is shared by a five-membered ring {2}
303  DF  .~.~.~.~.~ The five-membered ring contains an additional hetero atom {2}
304  DF  .~.~.~.~.~.~ 1-thia-4-aza-bicyclo(3.2.0)hep-tane (including unsaturated; e.g., penam, etc.) {6}
310  DF  .~.~.~.~.~.~.~ Having -C(=X)-, wherein X is chalcogen, bonded directly at the 3-position of the bicyclo ring system {2}
312  DF  .~.~.~.~.~.~.~.~ Nitrogen bonded directly at the 6-position of the bicyclo ring system {3}
314.~.~.~.~.~.~.~.~.~ Having -C(=X)-, wherein X is chalcogen, single bonded directly to the nitrogen (e.g., penicillin F, etc.) {9}
315  DF  .~.~.~.~.~.~.~>.~.~.~ Processes utilizing penam containing compound {8}
325  DF  .~.~.~.~.~.~.~>.~.~.~ The nitrogen is part of a hetero ring
326  DF  .~.~.~.~.~.~.~>.~.~.~ Chalcogen, -C(=X)-, wherein X is chalcogen, or additional nitrogen bonded directly to the -C(=X)- group
327  DF  .~.~.~.~.~.~.~>.~.~.~ Hetero ring or ring system bonded directly to the -C(=X)- group
328  DF  .~.~.~.~.~.~.~>.~.~.~ Nitrogen containing ring or ring system attached by carbon or acyclic carbon chain to the -C(=X)- group
329  DF  .~.~.~.~.~.~.~>.~.~.~ Polycyclo heterocyclic ring system in 6-position substituent {1}
331  DF  .~.~.~.~.~.~.~>.~.~.~ Acyclic nitrogen or azide attached indirectly to the -C(=X)- group by acyclic nonionic bonding {3}
337  DF  .~.~.~.~.~.~.~>.~.~.~ Cycloaliphatic ring in 6-position substituent
338  DF  .~.~.~.~.~.~.~>.~.~.~ Benzene or hetero ring in 6-position substituent {4}


DEFINITION

Classification: 540/314

(under subclass 312) Compounds in which - -, wherein X is chalcogen (i.e, oxygen, sulfur, selenium or tellurium), is single bonded directly to the nitrogen at the 6-position; i.e., - - N

(1) Note. Penicillin K, F, dihydro, F, S, and O are provided for in this subclass.

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