Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Reexamination Certificate
2005-10-18
2005-10-18
Tsang, Cecilia J. (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
C562S495000, C564S182000
Reexamination Certificate
active
06956129
ABSTRACT:
Polyhalogenated cinnamic acids and cinnamic acid derivatives are prepared by reacting diazonium salts accessible from polyhalogenated anilines with acrylic acid or acrylic acid derivatives in the presence of a homogeneous, palladium-containing catalyst at about −5 to about +100° C. Some of the cinnamic acids and cinnamic acid derivatives obtainable in this way are new. Cinnamic acids and cinnamic acid derivatives which can be prepared according to the invention can be used for the preparation of indanones which are precursors for agro- and pharmaceutical chemicals and for substances having liquid-crystalline properties.
REFERENCES:
patent: 4979982 (1990-12-01), Brouwer et al.
patent: 5068371 (1991-11-01), Steiner et al.
patent: 5486541 (1996-01-01), Sterling et al.
patent: 5508402 (1996-04-01), Baumeister et al.
patent: 5637763 (1997-06-01), Baumeister et al.
patent: 5677306 (1997-10-01), Aloup et al.
patent: 5708033 (1998-01-01), Kelley et al.
patent: 5753655 (1998-05-01), Combs
patent: 5869640 (1999-02-01), Beach
patent: 5869657 (1999-02-01), Annis et al.
patent: 5872118 (1999-02-01), Kelley et al.
patent: 5889169 (1999-03-01), Beach et al.
patent: 5998582 (1999-12-01), Beach
patent: 6018071 (2000-01-01), Annis et al.
patent: 6066501 (2000-05-01), Beach
patent: 6080856 (2000-06-01), Annis et al.
patent: 6156876 (2000-12-01), Beach
patent: 6232489 (2001-05-01), Annis et al.
patent: 1 445 707 (1976-08-01), None
patent: 6-263663 (1994-09-01), None
patent: WO 00/07993 (2000-02-01), None
patent: 00/08023 (2000-02-01), None
Monatshefte fur Chemie, vol. 90, (month unavailable) 1959, pp. 680-682, Über 2, 4-Difluorzimtsaure by Gunther Lock.
Russian Journal of Organic Chemistry, vol. 33, No. 4, (month unavailable) 1997, pp. 563-564, Synthesis of Fluorine-Substituted Cinnamic Acids by Cross-Coupling of Fluorobenzenes with Acrylic Acid in the Presence of a Palladium Catalyst by A. Ya.Aizikovich and V.Yu.Korotaev.
Waterlot C et al: “Montmorillonite-palladium copper catalyzed cross-coupling of methyl acrylate with aryl amines”, Tetrahedron Letters, Elsevier Science Publishers, Amsterdam, NL, Bd. 41, Nr. 3, Jan. 2000, Seiten 317-319, XP004186256, ISSN: 0040-4039 das ganze dokument.
Kikukawa K et al: “Palladium(0)-Catalyzed Arylation Of Olefins By Arylmines and an Alkyl Nitrate” Journal of Organic Chemistry, American Chemical Society. Easton, US, Bd. 46, 1981, Seiten 4885-4888, XP000882385 ISSN: 0022-3263 Tabelle III.
Database Crossfire Beilstein 'Online! Beilstein Institut zur Förderung der Chemischen Wissenschaften, Frankfurt am Main, DE; Database accession No. 3474443 XP002207216, Zusammenfassung & Kruse, L I et al: Journal of Medicinal Chemistry., Bd. 30, Nr. 3, 1987, Seiten 486-494, American Chemical Society., US ISSN: 0022-2623.
Database Crossfire Beilstein 'Online! Beilstein Institut zur Förderung der Chemischen Wissenschaften, Frankfurt am Main, DE; Database accession No. 1041035 XP002207217 Zusammenfassung & Berrier, C Et Al: Tetrahedron Bd. 40, Nr. 23, 1984, Seiten 4973-4980, Elsevier Science Publishers, Amsterdam., NL ISSN: 0040-4020.
Database Crossfire Beilstein 'Online! Beilstein Institut zur Förderung der Chemischen Wissenschaften, Frankfurt am Main, DE; Database accession No. 1053433 XP002207218 Zusammenfassung * Simchen, G et al: Journal of Medicinal Chemistry., Bd. 15, 1972, Seiten 341-344, American Chemistry Society., US ISSN: 0022-2623.
Database Crossfire Beilstein 'Online! Beilstein Institut zur Förderung der Chemischen Wissenschaften, Frankfurt am Main, DE; Database accession No. 665237 XP002207219 Zusammenfassung & Hussey, H: Journal of Organic Chemistry., Bd. 24, 1959, Seite 843 American Chemical Society, Washington, D.C., US ISSN: 0022-3263.
Sengupta S Et Al: “Heck reaction of arenediazonium salts: a palladium-catalysed reaction in an aqueous medium” Journal of the Chemical Society, Perkin Transactions 1, Chemical Society. Letchworth, GB, Nr. 17, 7. Sep. 7, 1993, Seiten 1943-1944, XP002128192 ISSN: 1472-7781 Scheme 1, Verbindungen 1b-3b Scheme 2.
Dockner Michael
Eckert Markus
Komoschinski Joachim
Lange Walter
Bayer Aktiengesellschaft
Eyl Diderico van
Oh Taylor V.
Tsang Cecilia J.
LandOfFree
Polyhalogen-substituted cinnamic acids and cinnamic acid... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Polyhalogen-substituted cinnamic acids and cinnamic acid..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Polyhalogen-substituted cinnamic acids and cinnamic acid... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3479513