Hydrazones subst

Azine, This term has the following meanings a)Pyridine(Ref 2) b)Sym di-ylidene derivs of hydrazones of ketones or aldehydes, such as acetone azine. (CHj CiN-N CfCHj) (Ref 3) c)The group (Ns)a is called free azine" or nitrine. According to Walden Audrieth (Ref 1), the halides of azine are extremely expl substs which undergo spontaneous de-compn at RT... [Pg.644]

Methylen- E17b, 1457 (8,8-Cl2-bicyclo[5.1.0]octan/KOR) E19b, 241 (Hydrazon-Photolyse) Bicyclo(2.2.0 hexa-2,5-dien 1,2 (or 1,4)-Dimethyl- EI7f., 690 (subst. Bi-cyclopropenyl/hv)... [Pg.486]

Bicyclo 3.2.0]hept-2-en 1,4,4-Trimethyl- E17e, 364 (subst. Bicyclo[4.1.0]hept-2-en/hv) Bicyclo]4.1.0]hept-2-en anti-3,7,7-Trimethyl- E19b, 363 (Hydrazon-Spaltung)... [Pg.788]

Nitrosyl sulfate Subst. carboxylic acid amides from hydrazones and semicarbazones Pearson degradation... [Pg.68]

Hydrazones from oxo compounds Separation of oxo compounds with subst. phenylhydrazines... [Pg.96]

Because of preferential reaction, certain subst. phenylhydrazines can be used for the separation of mixtures of 0x0 compounds.— E An ale. soln. of a,4-di-methyl-3-bromophenylhydrazine added at room temp, to a soln. of salicyl-aldehyde and cyclohexanone in the same solvent, the precipitated hydrazone isolated after 8-10 hrs. -> salicylaldehyde a,4-dimethyl-3-bromophenylhydrazone. Y 80%. F. e., also separation of mixtures of aldehydes, s. H.-H. Stroh and H. E. Nikolajewski, B. 95, 562 (1962). [Pg.96]

Reactions via metalated aliphatic-ar. azo compds. Subst. hydrazones... [Pg.98]

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