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Showing 1 to 2 of 2 for “"azo compound"”.
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The Synthesis and Reactions of 2-Diazo-4,5-Bis(trifluoromethyl)imidazole, a Carbene Precursor to Stable Ylide and Hypervalent Compounds
The synthesis of 2-diazo-4,5-bis(trifluoromethyl)imidazole is discussed. An azo-linkage is used as a masked amine source in a fluorination reaction in which carboxylic acids are converted to trifluoromethyl groups. The azo compound is then hydrogenolyzed to the diazo compound precursor, …
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THE SYNTHESIS AND CHELATION OF SOME AZOPYRIMIDINES
Numerous azo compounds have been shown in the past to have either a stimulating or inhibiting effect on tumour growth* The first recorded observation of the production of tumor-like proliferations was made by Fisher in 1906, who described the atypical epithelial proliferations which re-sulted from …