نتایج جستجو برای: 2 substituted 4

تعداد نتایج: 3138588  

2014
V. Rajni Swamy P. Gunasekaran R. V. Krishnakumar N. Srinivasan P. Müller

The title compound, C26H18F3N3O2S, a 2-meth-oxy-substituted derivative, is closely related to its 4-methyl- and 4-chloro-substituted analogues and yet displays no structural relationships with them. The thio-phene ring is disorder free and the -CF3 group exhibits disorder, respectively, in contrast and similar to that observed in the 4-methyl- and 4-chloro-substituted derivatives. The torsion a...

Habib Firouzabadi Mohammad Ali Zolfigol, Nasser Iranpoor

Nitration of phenol and various 4-substituted phenols with Cu(NO3)2.3H2O, Cu(NO3)2.3H2O/SiO2, 9H2O and Cr(NO3)2. 9H2O in different anhydrous organic solvents are investigated. High selectivity ratio of para vs ortho isomers has been observed. Mono- and dinitro compounds f...

Journal: :The Journal of the Society of Chemical Industry, Japan 1961

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