By Desmurs J.-R., Gerard B., Goldstein M.J.
The natural molecules which are used, rather within the components of pharmacy and agrochemicals, have gotten progressively more advanced either of their chemical nature and spacial configuration. a posh molecular constitution is necessarily fragile; it can't be produced less than critical stipulations (in specific excessive strain and temperature). additionally there's a challenge of the scale-up of a product from the laboratory to the commercial scale. The keep watch over of the reactivity, selectivity, and yield and using sufficiently light business stipulations are all elements that has to be taken under consideration via commercial chemists. among the ''tools'' giving controllable reactivity, selectivity, and comparatively gentle response stipulations is bromine. The natural chemistry of bromine occasionally supplies extraordinary selectivities in comparison to these of chlorine. This quantity that is in response to ''Orgabrom '93'', brings jointly the most contributions offered at this occasion.
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Extra info for Advances in Organobromine Chemistry II: Proceedings Orgabrom '93, Jerusalem, June 28-July 2, 1993
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Sodium hydroxide or in water gave corresponding nitriles and azo compounds in satisfactory yields, respectively (Fig. 27) (ref. 35). 5 - 10 h R-N-N-R 60-91% Fig. 27. Oxidation of primary amines and hydrazo compounds with BTMA Br3 43 Oxidation of sulfides to sulfoxides and oxidation of thiols to disulfides The oxidation of sulfides to sulfoxides are occasionally found to be unsatisfactory, since the resulting sulfoxides are easily oxidized to sulfones. In order to avoid the further oxidation of sulfoxides into sulfones, several oxidizing agents have been selected.