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Synthesis 2011(14): 2205-2207
DOI: 10.1055/s-0030-1260055
DOI: 10.1055/s-0030-1260055
PSP
© Georg Thieme Verlag
Stuttgart ˙ New York
Efficient, Low-Cost Synthesis of Retinal (Vitamin A Aldehyde)
Further Information
Received
8 April 2011
Publication Date:
20 May 2011 (online)
Publication History
Publication Date:
20 May 2011 (online)
Abstract
Inexpensive retinyl acetate has been subjected to transesterification followed by allylic oxidation to give retinal in 98% yield as a 92:8 mixture of all-trans/13-cis isomers after chromatographic separation. More convenient methods of isolating the all-trans isomer have also been employed.
Key words
retinyl acetate - retinal - transesterification - allylic oxidation - isomerization
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