Organic compounds -- part of the class 532-570 series – Organic compounds – Sulfate esters
Patent
1997-01-07
1997-10-28
McKane, Joseph
Organic compounds -- part of the class 532-570 series
Organic compounds
Sulfate esters
C07C30306
Patent
active
056819773
ABSTRACT:
Novel processes and intermediates useful for the manufacture of the Wittig ester salts are disclosed. The Wittig ester salts are known as important C.sub.5 building blocks for the manufacture of various polyenecarboxylic acid esters in the field of carotenoid chemistry.
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Burdet Bruno
Ruttimann August
Santer Jean-Marie
Siegfried Theodor
Johnston George W.
McKane Joseph
Pokras Bruce A.
Roche Vitamins Inc.
Tramaloni Dennis P.
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