Ammonia deutero

Ammonia, deutero- (ND3) Ammonium chloride Ammonium hydrosulphide Antimony... 

As a starting material for other deuterocompounds. For example deuterium oxide, on magnesium nitride, gives deutero-ammonia, NDj with calcium dicarbide, deuteroethyne, C2D2, is obtained. 

Halcinonide dissolved in either methanol, deutero-methanol, aqueous ammonia-methanol, or deuterium oxide deuter-ated ammonia-methanol solvents appears stable after storage for six days at 50°, using nuclear magnetic resonance and mass spectrometry.70... 

An interesting case of an odd tele substitution has been found when aminating 2-X-l,8-naphthyridine (X = Cl, Br) with liquid ammonia containing potassium amide.10 29,30 The product obtained in the amination was 2-(or 7-) amino-1,8-naphthyridine (58). However, carrying out the amination with 2-X-7-deutero-l,8-naphthyridine (138), the 2-amino product had a deuterium content considerably less than was present in the starting material. From the amount of deuterium present in the 2-amino compound, it was calculated that for X = Br, 45% of the amino compound was formed according to the SN(AE) ele process and that for X = Cl, this percentage was considerably lower (10%).58... 

The spectra of dilute solutions of lithium, sodium, potassium, calcium, and barium in liquid deutero-ammonia indicate that the absorbing species is the same in each case. The dependence of the shape, intensity, and energy of the absorption band on temperature was investigated for sodium-ND3 solutions. The data are discussed in terms of the electron-in-a-cavity model. No spectral evidence was found for the presence of new species in ND3 solutions containing mixtures of sodium and sodium iodide. 

Reding, F. P., and D. F. Horning Vibrational Spectra of Molecules and Complex Ions in Crystals (V). Ammonia and Deutero-Ammonia. J. chem. Physics 19, 594, 601 (1951). 

Hauser et were able to isolate the intermediate dimeric halide when 9-chlorofluorene was allowed to react with only one equivalent of sodium amide in liquid ammonia. In t-butyl alcohol containing its potassium salt or a dilute aqueous solution of benzyltrimethylammonium hydroxide, the rate of formation of bifluorenylidene is second-order in 9-bromofluorene and first-order in the basicity of the reaction medium as measured by the ionisation of nitroaniline indicators . Under the same reaction conditions, protium exchange of 9-deutero-9-bromofluorene and elimination from 9-bromo-9,9 -bifluorenyl are much faster reactions than the conversion of 9-bromofluorene into bifluorenylidene. These facts are consistent with the displacement mechanism. 

Analysis of the exudate by both methane and ammonia chemical ionization mass spectrometry established a molecular weight of 336 for the major component 5 and weights of 362 (28% of mixture), 362 (9%), 346 (6%), and 338 and 336 (4%, two compounds witltin a single chromatographic peak) for the less abundant components. By means of deutero ammonia chemical ionization mass spectrometry, it was determined that all components possessed two exchangeable hydrogens except for the compound of molecular weight 346 which bore but one. 

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