FI762497
A procedure for preparing diphenylamine compounds of the formula **(See formula)** where R represents methyl, ethyl or propyl; R1 and R2 independently represent hydrogen, methyl or trifluoromethyl; R3 represents hydrogen or methyl; with the proviso that not more than one of R1, R2 and r3 represents...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
22.01.1978
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Edition | 2 |
Subjects | |
Online Access | Get full text |
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Summary: | A procedure for preparing diphenylamine compounds of the formula **(See formula)** where R represents methyl, ethyl or propyl; R1 and R2 independently represent hydrogen, methyl or trifluoromethyl; R3 represents hydrogen or methyl; with the proviso that not more than one of R1, R2 and r3 represents a group other than hydrogen; characterized by reacting a 2-halo-3,5-dinitrobenzotrifluoride compound of the formula where X is halo, with an aniline compound of the formula **(See formula)** wherein R1, R2 and R3 are as defined above; followed by N-alkylation of the compound thus obtained. (Machine-translation by Google Translate, not legally binding) |
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Bibliography: | Application Number: FI19760002497 |