Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2005-03-15
2005-03-15
Chang, Ceila (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C549S411000, C564S502000, C564S505000, C564S506000, C564S508000, C564S503000, C568S300000, C568S386000, C568S403000, C568S404000, C568S405000, C568S579000, C568S687000, C568S689000
Reexamination Certificate
active
06867307
ABSTRACT:
Intermediate compounds which can be used in the preparation of phytone and Vitamin E, a process for the preparation thereof, and a process for the preparation of phytone and Vitamin E from these intermediate compounds.
REFERENCES:
patent: 0 544 588 (1993-06-01), None
Liu et al., “The preparation and utilization of 2-ethylallyl alcohol dianions in alpha-alkylidene lactone synthesis”, Synth. Commun., vol. 23, No. 10, 1993, pp. 1437-1442. XP000973211.
Mikami et al., “Catalytic Asymmetric Glyoxylate-Ene Reaction: A Practical Access to alpha-Hydroxy Esters in High Enantiomeric Purities”, J. Amer. Chem. Soc., vol. 112, No. 10, 1990. pp. 3949-3954. XP000944681.
Whitesell et al , “Asymmetric induction in the ene reaction of glyoxylate esters of 8-phenylmenthol” TETRAHEDRON, vol. 42, No. 11, 1986. pp. 2993-3002. XP000941835.
Girodeau et al., “The Lysine Pathway as a Target for a New Genera of Synthetic Antibacterial Antibiotics?” J. Med. Chem., vol. 29, No. 6, 1986. pp. 1023-1030, XP000941834.
Ellis et al., “Homogeneous catalysis. Use of a ruthenium (II) complex for catalyzing the ene reaction” Chem. Commun., vol. 12, 1998, pp. 1311-1312. XP000973106.
Agourdias et al., “Syntheses of protected vinylic amino acids by intermolecular Lewis acid catalyzed ene reactions” Tetrahedron Lett., vol. 26. No. 26, 1985, pp. 3115-3118. XP000973036.
Sugimura et al., “A formation of optically active oxetanes from sugars by boron trifluroide catalyzed ′2+2!cycloaddition reaction” Tetrahedron Lett., vol. 30. No. 12. 1989, pp. 1571-1574, XP000973008.
Benner et al., “Lewis Acid Catalysis of the Ene Addition of Chloral and Bromal to Olefins: Product Studies” J. Chem. Soc. Perkin Trans. I. No. 3, 1984.pp. 291-313. XP000972997.
Brimble et al., “Synthesis of (E)-1-bromo-3-ethyl-3-pentene” Synth. Commun., vol. 26, No. 2. 1996. pp. 243-251, XP000972981.
Mukaiyama et al., “The Addition Reaction of Acetals (Aldehydes) to Simple Olefins by the Use of a New Catalyst System” Chem. Lett. 1989. pp. 1277-1280 XP000972988.
Quian et al., “Glyoxylate-Ene Reaction Catalyzed by Ln (OTf)3” Tetrahedron Lett., vol. 38. No. 38. 1997. pp. 6721-6724. XP004089590.
Paul et al., “Recherches sur les acetals. II.—Formation d'ethers de diols-1-3 et d'alcohols ethyleniques par condensation des acetals avec les carbures ethyleniques.” Bull. Soc. Chim. Fr., 1951. pp. 125-129. XP000944833.
Ancel Jean-Erick
Meilland Pierre
Adisseo France S.A.S.
Chang Ceila
Covington Raymond
Oliff & Berridg,e PLC
LandOfFree
Intermediates for use in the preparation of vitamin E does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Intermediates for use in the preparation of vitamin E, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Intermediates for use in the preparation of vitamin E will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3401844