Chalcogen Bonded Directly To Ring Carbon Of The Hetero Ring Patents (Class 514/455)
  • Patent number: 4556651
    Abstract: A secalonic acid derivative of the formula (I); ##STR1## wherein R is ##STR2## wherein R.sub.1 and R.sub.2 each independently is a hydrogen atom or a C.sub.1-4 alkyl group; R.sub.3 is a hydrogen atom, a C.sub.1-4 alkyl group, and aryl group, a C.sub.1-5 alkoxy group, a halogen atom, a cyano group, a carboxyl group, a sulfonic acid group, a carboxylic acid amide group or a sulfonic acid amide group; and R.sub.4 is a saturated or unsaturated C.sub.1-22 alkyl group, an aryl group or an aryl alkyl group, and may have a substituent; and the pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: September 6, 1983
    Date of Patent: December 3, 1985
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Mitsuru Shibukawa, Chisei Shibuya, Kunihiko Ishii
  • Patent number: 4551475
    Abstract: The invention relates to pharmaceutical preparations for topical application which contain salts of alkanecarboxylic acids, in particular compounds of the formula ##STR1## wherein R.sub.1 is a group of the formula ##STR2## wherein X.sub.1 and X.sub.2 are hydrogen and X.sub.3 is isobutyl, or X.sub.1 and X.sub.3 are hydrogen and X.sub.2 is benzoyl, or X.sub.1 is hydrogen, X.sub.2 is chlorine, and X.sub.3 is 3-pyrrolin-1-yl, or X.sub.1 is hydrogen, X.sub.2 is a group of the formula --CH.dbd.CH--C(OCH.sub.3).dbd.CH--X.sub.4, and X.sub.3 together with X.sub.4 are a bond, and R.sub.2 is methyl, or X.sub.2 and X.sub.3 are hydrogen and X.sub.1 is 2,6-dichloroanilino, and R.sub.2 is hydrogen, or R.sub.1 is a group of the formula ##STR3## wherein X.sub.5 is the common bond with the methine group in formula I, X.sub.6 and X.sub.7 are hydrogen, X.sub.8 is p-methylbenzoyl, Y is a nitrogen atom, and X.sub.9 is a methyl group, or X.sub.5 is a methyl group, X.sub.6 is a common bond with the methine group in formula I, X.sub.
    Type: Grant
    Filed: July 27, 1983
    Date of Patent: November 5, 1985
    Assignee: Ciba-Geigy Corporation
    Inventor: Theodor Eckert
  • Patent number: 4517200
    Abstract: Forskolin and its disclosed derivatives are useful as antiallergic agents. Certain of the derivatives are novel.
    Type: Grant
    Filed: October 17, 1983
    Date of Patent: May 14, 1985
    Assignee: Schering-Plough Corporation
    Inventors: William Kreutner, Michael J. Green, Ho-Jane Shue, Anil K. Saksena