Contributions from the Laboratories of the Heriot Watt College, Edinburgh. The synthetical formation of closed carbon chains. Part I (continued). Action of propylene bromide on the sodium compounds of ethyl acetoacetate and ethyl benzoylacetate was written by Perkin, W. H.;Stenhouse, James. And the article was included in Journal of the Chemical Society, Transactions in 1892.Category: esters-buliding-blocks The following contents are mentioned in the article:
The action of propylene bromide on the sodium compounds of ethyl acetoacetate and ethyl benzoylacetate was studied. Propylene bromide did not react with these compounds, the yield of ethereal salt obtained was very small . To obtain sufficient material for the experiments, the fraction of the ethereal salt boiling at 196°-225°, which consisted for the most part of ethyl acetylmethyltrimethylenecarboxylate was hydrolyzed. Acetyltrimethylenecarboxylate acid when treated with hydroxylamine in alkaline solution yielded an oxime proving that it contained a carbonyl group, this acid and acetylmethyltrimethylenecarboxylic acid were similarly constituted. Acetylmethyltrimethylenecarboxylic acid oxime melts at 153°-155° with decomposition. This study involved multiple reactions and reactants, such as Ethyl methyl adipate (cas: 18891-13-9Category: esters-buliding-blocks).
Ethyl methyl adipate (cas: 18891-13-9) belongs to esters. Volatile esters with characteristic odours are used in synthetic flavours, perfumes, and cosmetics. Certain volatile esters are used as solvents for lacquers, paints, and varnishes. Esters contain a carbonyl center, which gives rise to 120° C–C–O and O–C–O angles. Unlike amides, esters are structurally flexible functional groups because rotation about the C–O–C bonds has a low barrier. Their flexibility and low polarity is manifested in their physical properties; they tend to be less rigid (lower melting point) and more volatile (lower boiling point) than the corresponding amides. Category: esters-buliding-blocks
Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics