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Synlett 1990; 1990(3): 155-157
DOI: 10.1055/s-1990-21018
DOI: 10.1055/s-1990-21018
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The Seleno-Acetal Route to Side-Chain-Modified 1α-Hydroxy-Vitamin D Analogues: Synthesis of Three C23-Metabolites, Including Calcitroic Acid
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Publication Date:
08 March 2002 (online)
A synthesis of (1α,3β,5Z,7E)-1,3-dihydroxy-24-nor-9,10-secochola-5,7,10(19)-trien-23-al and the corresponding 23-carbinol and 23-carboxylic acid (calcitroic acid) from a 1α-hydroxy-vitamin D synthon containing a seleno-acetal function for the side-chain elaboration is reported.