US PATENT SUBCLASS 546 / 352
.~.~.~.~.~ Process of forming the unsaturated hydrocarbyl side chain

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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}
348  DF  .~.~.~ Unsubstituted or hydrocarbyl substituted only, or salt thereof {3}
350  DF  .~.~.~.~ Unsaturated hydrocarbyl side chain {2}
352.~.~.~.~.~ Process of forming the unsaturated hydrocarbyl side chain

DEFINITION

Classification: 546/352

Process of forming the unsaturated hydrocarbyl side chain:

(under subclass 350) Processes whereby the unsaturated hydrocarbon side chain on the six-membered hetero ring is formed.

(1) Note. Examples of processes provided for herein are: [figure] [figure]