Chemistry of vitamin A. XXIV. The synthesis of geometric isomers of vitamin a via methyl β-methylglutaconate1
CD Robeson, JD Cawley, L Weisler…
Index: Robeson et al. Journal of the American Chemical Society, 1955 , vol. 77, p. 4111,4117
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Citation Number: 117
Abstract
(2) The synthetic method was also applied to wionylideneacetaldehyde to prepare an analog of vitamin A which we shall call a-vitamin A. No attempt to isolate individual isomers was made. however (see Experimental Part). This work was done to compare the ultraviolet absorption properties of the intermediates in the two series to detect whether migration of the ring double bond occurred during the synthesis of the vitamin A isomers.
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