US PATENT SUBCLASS 558 / 134
.~.~.~ Substituting carbon for halogen, hydrogen, or metal bonded directly to the phosphorus


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558 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {21}
70  DF  .~ Phosphorus esters (i.e., compounds having the phosphorus ester group, wherein trivalent or pentavalent phosphorus and carbon are bonded directly to the same divalent chalcogen, and wherein the carbon may be single bonded to any atom but may be multiple bonded only to carbon) {18}
87  DF  .~.~ Processes {19}
134.~.~.~ Substituting carbon for halogen, hydrogen, or metal bonded directly to the phosphorus {3}
135  DF  .~.~.~.~> Aldehyde or ketone reactant
136  DF  .~.~.~.~> Reactant having halogen bonded directly to carbon (e.g., ethyl bromide, benzoyl chloride, etc.)
137  DF  .~.~.~.~> Reactant having acyclic or alicyclic carbon to carbon unsaturation


DEFINITION

Classification: 558/134

(under subclass 87) Processes in which an aldehyde or a ketone is a reactant.