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Article Information. Abstract. Ethyl Hexanediol is an aliphatic alcohol used as a solvent in a small number of cosmetic formulations applied to the skin and hair. Animal data indicate that Ethyl Hexanediol is absorbed through the skin and is metabolized and eliminated in the urine. Reported oral LD50 values in rats are generally above 5 g/kg.
An object of the present invention is to provide an improved method for preparation of racemic atenolol i.e. 4-[2-hydroxy-3- [(1-methylethyl) amino] propoxy] benzene acetamide of formula (I-A) and enantiomers thereof by a synthetic route which is distinct from prior art methods.et another aspect of the invention relates to an improved method for preparation of (S)-atenolol of formula (I-B), which comprises reaction of chloromethyl benzene (XX) and isopropyl amine (XXI) to give N-benzyl-N-isopropyl amine (XXII) which on further reaction with S-epichlorohydrin (IIIB) gives ...