US PATENT SUBCLASS 546 / 319
.~.~.~.~.~.~ Processes of obtaining nicotinic acid per se or a derivative of nicotinic acid wherein the only substituents are -COO- groups, or salt thereof

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}
314  DF  .~.~.~ Carbonyl bonded directly to the six-membered hetero ring {4}
315  DF  .~.~.~.~ At 3-position {2}
318  DF  .~.~.~.~.~ The carbonyl is in a -COO- group {3}
319.~.~.~.~.~.~ Processes of obtaining nicotinic acid per se or a derivative of nicotinic acid wherein the only substituents are -COO- groups, or salt thereof {1}
320  DF  .~.~.~.~.~.~.~> By oxidation

DEFINITION

Classification: 546/319

Processes of obtaining nicotinic acid, per se, or a derivative of nicotinic acid wherein the only substituents are -COO- Groups, or salt thereof:

(under subclass 318) Processes for the preparation of nicotinic acid, per se, or of a derivative thereof wherein the only substituents are additional -COO- groups, or of salts thereof.