Process for the preparation of phenylmalonic acid dinitriles

Organic compounds -- part of the class 532-570 series – Organic compounds – Nitriles

Reexamination Certificate

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C558S378000

Reexamination Certificate

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10537408

ABSTRACT:
Phenylmalonic acid dinitriles are prepared by reaction of, for example, phenyl Kalides with malonic acid dinitrile in the presence of palladium catalysts and bases.

REFERENCES:
patent: 5332720 (1994-07-01), Kruger et al.
patent: 5358924 (1994-10-01), Kruger et al.
patent: 5474974 (1995-12-01), Kruger et al.
patent: 5661110 (1997-08-01), Kruger et al.
patent: 5683965 (1997-11-01), Bachmann et al.
patent: 5739389 (1998-04-01), Kruger et al.
patent: 5780394 (1998-07-01), Kruger et al.
patent: 6410480 (2002-06-01), Muhlebach et al.
patent: 0508126 (1992-10-01), None
patent: 60197650 (1985-10-01), None
patent: 60204753 (1985-10-01), None
patent: 2000281636 (2000-10-01), None
patent: 9501971 (1995-01-01), None
patent: 9611574 (1996-04-01), None
patent: 9621652 (1996-07-01), None
patent: 9702243 (1997-01-01), None
patent: 9947525 (1999-09-01), None
patent: 0078712 (2000-12-01), None
Chemical Abstracts online citation [retrieved Sep. 26, 2006] Columbus, OH, USA, Uno et al., Tetrahedron Letters (1985), 26(12), 1553-6.
Zhurnal Organicheskoi Khimii (1992), 28(12), 2541-4 , Chemical Abstracts online citation [retrieved Sep. 26, 2006] Columbus, OH, USA.
William Adcock and Douglas P Cox: “Electronic nature of the tricyanomethyl group by 13C and 19F NMR: Nature of aryl 19F NMR polar field effects in the benzene and napthalene ring systems”; Journal of Organic Chemistry, vol. 44, No. 17 (1979), pp. 3004-3017; American Chemical Society, Easton, US; ISSN: 0022-3263; p. 3008, examples 2, 3; table 3.
Howard E. Zimmerman and Donald R. Diehl: “Molecular control of excited cross-conjugated triene rearrangements. Exploratory and mechanistic organic photochemistry” Journal of the American Chemical Society, vol. 101, No. 7 (1979), pp. 1841-1857; Journal of the American Chemical Society, vol. 101, No. 7, 1979, pp. 1841-1857, XP002146146.
Ivo Leito et al.:“Spectrophotomeric acidity scale of strong neutral bronsted acids in acetonitrile”; Journal of Organic Chemistry, vol. 63, No. 22 (1998), pp. 7868-7874; XP002146147, American Chemical Society, Easton, US, Issn: 0022-3263.
E. B. Troughton et al.: “Coordination, heterolysis, and electron transfer reactions involving delocalised carbocations and carbanions in solution” Journal of the American Chemical Society, vol. 106, No. 22 (1984) pp. 6726-6735; XP002146148; American Chemical Society, Washington, DC, US; Issn: 0002-7863.
Ilamar A Koppel et al.:“The gas-phase acidities of very strong neutral bronsted acids”; Journal of the American Chemical Society, vol. 116, No. 7 (1994) pp. 3047-3057; XP002146149, American Chemical Society, Washington, DC, US; Issn: 0002-7863.
Winston A Davis and Michael P Cava:“A new synthesis of arylmalononitriles”; Journal of Organic Chemistry, vol. 48 (1983) pp. 2774-2775; XP002146150, American Chemical Society, Easton, US., Issn: 0022-3263.
Rudolf Gompper and Otto Christman:“Neue synthese aromatischer kohlenwasserstoffe”, Chemische Berichte, vol. 94 (1961) pp. 1795-1799; XP002146151, Issn: 0009-2940.
Martin R Bryce et al.“New electron acceptors: Synthesis, electrochemistry, and radical anions of N, 7,7-tricyanoquinometanimines and X-ray crystal structures of the trimethyl and tetramethyl derivatives”; Journal of Organic Chemistry, vol. 57, No. 6 (1992) pp. 1690-1696; XP002146152, American Chemical Society, Easton, US, Issn: 0022-3263.
Yoshiaki Tsubata et al.“Single component organic conductors based on neutral radicals containing the pyrazino-TCNQ skeleton”; Journal of Organic Chemistry, vol. 57, No. 25 (1992) pp. 6749-6755); XP002146153, American Chemical Soceity, Easton, US; Issn: 0022-3263.
M Uno et al.“A new route to phenylenedomalononitrile and the analogues, using palladium-catalysed carbon-carbon bond formation” Tetrahedron Letters, vol. 26, No. 12 (1985) pp. 1553-1556; XP002146154, Elsevier Science Publishers, Amsterdam NL; Issn: 0040-4039.
Mitsunari Uno et al, “Palladium-catalysed 1,4-arylation/alkylation of buta-1,3-diene with halogenarenes and stabilised anions”; Journal of the Chemical Society, Perkin Transactions 1 (1990), pp. 647-651; XP002146155, Chemical Society, Letchworth, GB; Issn: 0300-922X.
J. Chem. Soc., Chem. Communication 1984, 932-33.
J. Am. Chem. Soc. 121, 1473-78 (1999).

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