US PATENT SUBCLASS 558 / 351
.~.~.~ Attaching cyano to the carbonyl carbon of an aldehyde or ketone (e.g., cyanohydrin formation, etc.)

Current as of: June, 1999
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558 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {21}
303  DF  .~ Nitriles (i.e., compounds having cyano bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon) {21}
332  DF  .~.~ Processes of attaching cyano to carbon by reaction of an inorganic cyanide with an organic compound (e.g., using HCN, cyanogen, metal cyanide, ammonium cyanide, cyanogen chloride, etc.) {10}
351.~.~.~ Attaching cyano to the carbonyl carbon of an aldehyde or ketone (e.g., cyanohydrin formation, etc.)

DEFINITION

Classification: 558/351

(under subclass 332) Processes wherein cyano is attached directly to the carbonyl carbon of an aldehyde or ketone.

(1) Note. The carbonyl group, -C(=O)-, does not remain as such in the reaction product.

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