US 4,127,608 A · Synthesis of Vitamin E

Abstract

A synthesis of Vitamin E has the condensation of 2,4-pentanediene and 1,2-epoxy-2,6,10,14-tetramethylpentadecane including intermediates in this synthesis which uses base catalyzed condensations of aliphatic compounds to construct the Vitamin E molecule from aliphatic precursors.

Claims2

Dependent claims

A compound selected from the group consisting of bis[tri(n-decyl)monomethyl ammonium]nitrosodisulfonate, bis[tri(n-octyl)monomethylammonium]nitrosodisulfonate and mixtures thereof.

Dependencies are inferred from the claim text.

Facts

Application

05/797,713Filed 17 May 1977

Granted

28 Nov 1978

Term ends

Not estimatedThe source records don’t support an estimate.

Classification8 codes

C07D 303/04
Compounds containing oxirane rings: containing only hydrogen and carbon atoms in addition to the ring oxygen atoms
C07C 37/50
Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring: by reactions decreasing the…
C07C 39/11
Monocyclic with no unsaturation outside the aromatic ring: alkylated hydroxy benzenes containing also acyclically bound hydroxy groups, e.g. saligenol
C07C 45/68
By isomerisation; by change of size of the carbon skeleton: by increase in the number of carbon atoms

Synthesis of Vitamin E

Life of this patent

Abstract

Claims2

Synthesis of Vitamin E

Life of this patent

Abstract

Claims2