| 534 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
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| * | DD | ORGANIC COMPOUNDS (CLASS 532, SUBCLASS 1) {8} |
| 573 | DF | .~ Azo {51} |
| 588 |  | .~.~ Process utilizing azo compound as reactant {13} |
| 589 | DF | .~.~.~> Formation of quaternary ammonium or hydrazinium group |
| 590 | DF | .~.~.~> Ring formation |
| 591 | DF | .~.~.~> Formation of -C(=X)HNH group, wherein X is chalcogen (substitution may be made for hydrogen only) |
| 592 | DF | .~.~.~> Formation of sulfonamide group |
| 593 | DF | .~.~.~> Additional reactant containing phosphorus or sulfur {1} |
| 595 | DF | .~.~.~> Formation of -C(=X)X- ester group, wherein the X's may be the same or diverse chalcogens |
| 596 | DF | .~.~.~> Etherification of hydroxy group |
| 597 | DF | .~.~.~> Replacement of halogen by cyano group |
| 598 | DF | .~.~.~> Replacement of halogen by amino nitrogen |
| 599 | DF | .~.~.~> Hydrolysis |
| 600 | DF | .~.~.~> Reduction of nitro or nitrogen oxide group |
| 601 | DF | .~.~.~> Nitration |
| 602 | DF | .~.~.~> Metallization of the azo reactant in presence of an additional organic compound |