Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2007-08-07
2007-08-07
Owens, Amelia A. (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C549S042000, C549S458000, C549S457000, C549S043000, C548S427000, C548S420000, C548S421000, C548S429000, C548S430000, C548S302100, C548S359500, C546S062000, C546S070000, C546S080000, C546S089000, C546S085000, C544S250000, C544S343000, C544S345000, C544S247000
Reexamination Certificate
active
10477315
ABSTRACT:
A process for preparing cyclopentadiene derivatives comprising the steps of: a) coupling a five membered heterocycle ring with a five or six membered heterocycle ring; b) reacting the obtained compound with a carbonilating system: c) reducing the obtained compound.
REFERENCES:
patent: 0938491 (1999-09-01), None
patent: 9822486 (1998-05-01), None
patent: 9924446 (1999-05-01), None
patent: 0147939 (2001-07-01), None
Campo et al, Synthesis of fluorine-9-ones by the palladium-Catalyzed Cyclocarbonylation of o-Haliobiaryls, JOC, 2002, 67(16),5616-5620.
Kashulin et al, Efficient Method for the Synthesis of Hetarenoindanones Based n 3-Arylhetarenes and Their Conversion into Hetarenoindenes; JOC, 2004, 69(16), 5476-5479.
M. Iyoda et al., “New Syntheses of Tricyclic Thiophenes and Cyclic Tetrathiophenes using Transition-Metal-Catalyzed Cyclization;”Heterocycles, vol. 52(2), p. 761-774 (2000).
“12. Aldehydes and Ketones;”Comprehensive Organic Transformations, ed. 1989 VCH Publishers (p. 35-40).
“2. Coupling Reactions;”Comprehensive Organic Transformations, ed. 1989 VCH Publishers (p. 45-70).
“2. Aromatic Halogenation;”Comprehensive Organic Transformations, ed. 1989 VCH Publishers (p. 315-318).
K. Takagi et al., “Synthesis of Biaryls from Aryl Iodides and Zinc Powder by Means of Nickel Catalyst;”Chemistry Letters; p. 917-918 (1979).
B. Krische et al., “Conducting Polymers from Dimethyl-2,2'-bithiophenes;”J. Chem. Soc., Chem. Commun., p. 1476-1478 (1987).
I. Colon et al., “Coupling of Aryl Chlorides by Nickel and Reducing Metals;”J. Org. Chem., vol. 51, p. 2627-2637 (1986).
G. Olah et al., “Synthetic Methods and Reactions; XVIII1, Preparation of Alkenes via Dehalogenation ofvic-Dihaloalkanes, Coupling of Allyl and Benzyl Halides, Dehalogenative Coupling of Aryl-gem-dihaloalkanes using TiCl3- or TiCl4/LiAIH4Reagent;”Synthesis, p. 607-609 (1976).
A. Suzuki et al., “An Oxygen-Induced Reaction of Trialkylboranes with Alkyl Iodides. A Facile Coupling of Benzylic and Allylic IodidesviaTriethylborane;”J. Am. Chem. Society, vol. 93(6), p. 1508-1509 (1971).
G. Tolstikov et al., “A New Stereoselective Synthesis of Racemic Disparlure, the Sex Pheromone of Gypsy Moth;”Tetrahedron Letters, No. 21, p. 1857-1858 (1978).
J. Kagan et al., “The Synthesis of Bithienyls and Terthienyls by Nickel-Catalyzed Coupling of Grignard Reagents;”Heterocycles, vol. 24(8), p. 2261-2271 (1986).
R. Ricke et al., “Direct Preparation of 3-Thienyl Organometallic Reagents: 3-Thienylzinc and 3-Thienyl-magnesium Iodides and 3-Thienylmanganese Bromides and Their Coupling Reactions;”J. Org. Chem., vol. 62(20), p. 6921-6927 (1997).
A. Wiersema et al., “Thiophene analogues of fluorene III. On the synthesis of methylated cyclopentadithiophenes;”Acta Chemica Scandinavica, vol. 24(7), p. 2593-2611 (1970).
Weygand-Hilgetag, Organisch-Chemische Experimentierkunst, 3 Neubearbeitete Auflage, Institut fur Organische Chemie der Deutschen Akademie der Wissenschaften zu Berlin (1964) (Index).
De Kloe Kees P.
Ivchenko Pavel V.
Kashulin Igor A
Klusener Peter A. A.
Kornorffer Frans M.
Basell Polyolefine GmbH
Owens Amelia A.
Reid William R
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