Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1997-01-21
1999-01-05
Richter, Johann
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
548244, 548245, 548246, C07D41312
Patent
active
058565078
ABSTRACT:
Methods for the preparation of biphenyl isoxazole sulfonamides and intermediates thereof. The present invention also relates to the novel intermediates prepared by these methods. The biphenyl isoxazole sulfonamides prepared by the present methods are endothelin antagonists useful, inter alia, for the treatment of hypertension.
REFERENCES:
patent: 2888455 (1959-05-01), Kano et al.
patent: 4415496 (1983-11-01), Harris et al.
patent: 4661479 (1987-04-01), Wyvratt, Jr. et al.
patent: 5236928 (1993-08-01), Chakravarty et al.
patent: 5270313 (1993-12-01), Burri et al.
patent: 5292740 (1994-03-01), Burri et al.
patent: 5378715 (1995-01-01), Stein et al.
patent: 5464853 (1995-11-01), Chan et al.
patent: 5514691 (1996-05-01), Chan et al.
patent: 5514696 (1996-05-01), Murugesan et al.
patent: 5571821 (1996-11-01), Chan et al.
patent: 5580894 (1996-12-01), Scott et al.
patent: 5591761 (1997-01-01), Chan et al.
patent: 5594021 (1997-01-01), Chan et al.
patent: 5612359 (1997-03-01), Murugesan
S. Norio et al., Chemical Abstracts, vol. 70, No. 19, (1969), 87639g.
T. Saito, Chemical Abstracts, vol. 73, No. 23 (1970), 120511w.
Derwent Abstract No. 88-289069/41 Feb. 27, 1987.
Derwent Abstract No. 88-195835/28 Nov. 26, 1986.
Derwent Abstract No. 88-061295/09 Jul. 9, 1986.
Derwent Abstract No. 87-152485/22 Oct. 11, 1985.
Derwent Abstract No. 62299 E/30 Dec. 11, 1980.
Derwent Abstract No. 40927 D/23 Sep. 11, 1979.
Derwent Abstract No. 91-254550/35 Feb. 19, 1990.
Derwent Abstract No. 86-246709/38 Nov. 27, 1985.
Derwent Abstract No. 35012 K/15 Sep. 24, 1981.
Allen et al., "Preparation . . . antagonists", CA116(11):106284Z, p. 778, 1992.
R.D. Desai et al., Chemical Abstracts, vol. 71, No. 11, (1969) 49825c.
R.D. Desai et al., Chemical Abstracts, vol. 71, No. 3, (1969) 12872q.
P. G. Ferrini et al., Angew. Chem. Internat. Edit., vol. 2, No. 2 (1963) p. 99.
A. M. van Leusen, et al., "Synthesis . . . Compounds", J. Org. Chem., vol. 41, No. 4, (1976), pp. 69-71.
W. J. Hammar et al., J. Heterocyclic Chem., vol. 18, (1981) pp. 885-888.
A. M. van Leusen et al., Tetrahedron Letters, No. 23, (1972), pp. 2369-2372.
Chan et al., "Identification of a New Class of ET.sub.A Selective Endothelin Antagonists by Pharmacophore Directed Screening", Biochemical and Biophysical Research Communications, vol. 201, No. 1, May 30, 1994, pp. 228-234.
Stein et al., "The Discovery of Sulfonamide Endothelin Antagonists and the Development of the Orally Active ET.sub.A Antagonists 5-(Dimethylamino)-N-(3,4-dimethyl-5-isoxazolyl)-1-naphthalenesulfonamide", J. Med. Chem., vol. 37, No. 3, Feb. 4, 1994, pp. 329-331.
Doherty, J. Med. Chem., 35(9), 1493-1508 (May 1992).
CA 65: 2241d (1966).
CA 92:41908v (1979).
Wang et al., "Nitrile . . . sinomin," CA 108:94444w, p. 651 (1988).
Khanna, "Oral . . . formulation," CA 115:35728p, p. 415 (1991).
Stein et al., "The Discovery . . . 1-naphthalenesulfonamide," CA 120:18233n, pp. 21-22 (1994).
Vree et al., "Renal excretion . . . function," CA 97:84685r, p. 23 (1982).
Oie, "Pharmacokinetics . . . dosing," CA102:197512x, p. 18 (1985).
Murugesan et al., "N-(heteroaryl) . . . antagonists," CA 120:270370c, p. 1067 (1994).
Williams, "A General, One-Pot Method for the Synthesis of 2-Substituted Oxazoles", Tetrahedron Letters, vol. 33, No. 8, pp. 1033-1036 (1992).
Cass, "2-Phenyloxazole and ortho-Substituted Derivatives", J. Am. Chem. Soc., vol. 64, pp. 785-787 (1942).
Smith et al., "Mechanistic Studies of the Suzuki Cross-Coupling Reaction", J. Org. Chem., vol. 59, pp. 8151-8156 (1994).
Hunt et al., Tet. Lett., 34(22), 3599-3602, 1993.
Suginome et al., J. Chem. Soc., Chem. Commun., (24), 2777-78, 1996.
Nilsson et al., Acta Chem. Scand., Ser. B, B41(8), 569-76, 1987.
Desurmont et al., J. Org. Chem., 61(22), 7943-46, 1996.
Deloux et al., Jo. Org. Chem., 60(11), 3276-77, 1995.
DePue Jeffrey S.
Gadamasetti Kumar G.
Martinez Eduardo J.
Pandit Chennagiri R.
Pendri Yadagiri
Babajko Suzanne E.
Bristol-Myers Squibb Co.
Lutz Laura R. C.
Richter Johann
LandOfFree
Methods for the preparation of biphenyl isoxazole sulfonamides does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Methods for the preparation of biphenyl isoxazole sulfonamides, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Methods for the preparation of biphenyl isoxazole sulfonamides will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-863828