NASA’s Perseverance rover uses robotic autonomy to achieve its mission goals on Mars. Its
self-driving autonomous navigation system (AutoNav) has been used to evaluate 88% of the …

Results Preparation of Oxocarbonium Salts.—Two inde-pendent methods were used for the
preparation of oxocarbonium salts.(a) Fluoride Method.—Acyl fluorides, when treated with …

Ingold’s method of competitive nitration has been used in order to determine relative
reactivities of alkylbenzenes and benzene in homogeneous mononitrations with nitronium …

1: 1-Addition compounds of di-and trialkyl (aryl-)-acetyl fluorides with antimony pentafluoride
were prepared and investigated. On the basis of infrared spectra it was found that in the …

In jurisdictions including the US and the EU ground transportation and marine fuels have
recently been required to contain lower concentrations of sulfur, which has resulted in reduced …

Topological properties of materials are of fundamental as well as practical importance 1 , 2 .
Of particular interest are unconventional superconductors that break time-reversal symmetry…

_ Friedel-Crafts type nitrationof aromatics with nitryl halides, dinitrogen tetroxide, dinitrogen
pentoxide and stable nitronium salts was investigated in homogeneous tetramethylene …

Competitive A1C13· CH3 N (-catalyzed benzylation of benzene and re-alkylbenzenes with
benzyl chloride in homogeneous nitromethane solution has been investigated. Relative …

A general new haloalkylation method has been found in the boron halide catalyzed
alkylation ofbenzene (and other aromatics) with fluorohaloalkanes. The CF bond reacts …

A comparison of nitric acid and mixed acid nitrations of alkylbenzenes and benzene in
nitromethane, acetic acid, acetic anhydride, tetramethylene sulfone and sulfuric acid solutions …