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US 5,600,029 AGranted
Process for producing DL-tocopherols and intermediates therefor
AssigneeTakeda Chemical Industries, Ltd.
InventorsTatsuhiko Kaneko, Kenichi Kashiwa
Life of this patent
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Abstract
The present invention relates to a process for producing dl-tocopherols and intermediates for the production. dl-Tocopherols obtained by the present invention are useful compounds that are used as food additives, feed and medicaments.
Claims1
A process for producing a compound of the formula (II):
- ##STR37## wherein ##STR38## means that either of the two bonds is a double bond and the other is a single bond, which comprises reacting a compound of the formula (I):
- ##STR39## wherein ##STR40## is as defined above, with 2-methyl-2vinyloxirane.
Dependencies are inferred from the claim text.