Preparation and study of a series of borane and triborohydride derivatives of methylated polyamines
Franklin E. Walker, Lawrence Livermore Laboratory, University of California, Berkeley. Lawrence Radiation Laboratory
University of California Radiation Laboratory, 1964 - Science - 25 pages
5 pages matching Nuclear magnetic resonance in this book
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14 15 WAVELENGTH 15 WAVELENGTH MICRONS absolute ethanol absorption acetone layer adduct Anal analysis beaker Bis-octahydrotriborate borane and triborohydride Calc'd compounds cooled to 0°C decanted densities DERIVATIVES OF METHYLATED diborane was condensed distillation dry argon ethanol 95 ethanol and dried filtered fraction fuzed g of methyl g of potassium gas chromatography hexamethyl triethylenetetramine XI hot water hydrochloric acid 37 hydrolysis ice bath Lawrence Radiation Laboratory liquid nitrogen melting point methyl iodide methylated amine METHYLATED POLYAMINES ml of absolute ml of acetone ml of hydrochloric ml of water monium Nuclear magnetic resonance octahydrotriborate Octamethyl Diethylenetriammonium overnight pentamethyl di-n-propylenetriamine XIX pentamethyl diethylenetriamine potassium hydroxide potassium triborohydride purified quantity quaternized recovered recrystallization refluxed room temperature separated by filtration series of borane sodium bicarbonate sodium sulfate spectra triborohydride derivatives triiodide unreacted diborane vacuum line violet colors washed twice washed with absolute weight white solid X-ray diffraction yield