Synthesis of (all-E)-2,7,-dimethylocta-2,4,6-triene-1,8-dial.sup.13 C.sub.4
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United States of America Patent
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Jan 31, 1995
Grant Date -
N/A
app pub date -
Jun 16, 1993
filing date -
Jun 16, 1993
priority date (Note) -
Expired
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Abstract
(all-E)-2,7,-dimethylocta-2,4,6-triene-1,8-dial-.sup.13 C.sub.4 is synthesized from commercially available and relatively inexpensive starting compounds, and the key starting compound is triethyl phosphonoacetate-.sup.13 C.sub.2. The .sup.13 C labeled dial is useful as an intermediate in synthesizing .sup.13 C labeled carotenoids.
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