Abstract: Novel spirobenzofuranone compounds of the formula: ##STR1## have gastric secretion inhibitive, antiinflammatory and analgesic activities, and are of value as drugs.

Abstract: Novel spiro compounds of the formula: ##STR1## wherein Ring A represents a benzene ring or a naphthalene ring, said rings being unsubstituted or substituted by at least one of lower alkyl, nitro, halogen, amino which may optionally be substituted, hydroxyl which may optionally be substituted, acyl, sulfamoyl, carboxyl, lower alkoxycarbonyl, carbamoyl which may optionally be substituted, ureido which may optionally be substituted, thioureido which may optionally be substituted, lower alkylthio, lower alkylsulfinyl, lower alkylsulfonyl, aminomethyl which may optionally be substituted, cyano and phenyl, have gastric secretion inhibitive, anti-inflammatory and analgesic activities, and are of value as drugs.

Abstract: Novel compounds of the formula ##STR1## wherein R represents lower alkyl or lower alkoxy, A represents --CH.sub.2 --, --CO-- or ##STR2## n represents an integer of 1 to 8, X represents hydrogen or hydroxyl which may be protected and Y represents hydroxyl which may be protected, and their esters show an excellent action on the lysosomal membranes of cells, and exhibit excellent pharmacological activities such as physiologic host defense control activity, especially immuno-potentiating activity.

Abstract: The aqueous preparation such as an aqueous solution, a water-in-oil emulsion, in which a water-soluble salt of the quinonyl acid derivative of the formula: ##STR1## [wherein each R is a lower alkoxy group having 1 to 4 carbon atoms or the two R's, taken together, represent a group of --CH.dbd.CH--CH.dbd.CH--; --A--COOH means ##STR2## when both R's are lower alkoxy groups, or --(CH.sub.2).sub.n COOH (wherein n is an integer from 1 to 8) when two R's, taken together, represent a group of --CH.dbd.CH--CH.dbd.CH--] is dissolved in aqueous phase, shows an excellent immunoregulatory activity in animals including human being.

Abstract: Novel compounds of the formulae ##STR1## wherein R represents lower alkyl or lower alkoxy, A represents --CH.sub.2 --, --CO-- or ##STR2## n represents an integer of 1 to 8, X represents hydrogen or hydroxyl which may be protected and Y represents hydroxyl which may be protected, and their esters show an excellent action on the lysosomal membranes of cells, and exhibit excellent pharmacological activities such as physiologic host defense control activity, especially immuno-potentiating activity.

Abstract: Novel aminotetralol compounds of the formula ##STR1## wherein Z.sup.1 and Z.sup.2 are hydrogen or an alkyl group and R.sup.1 is a substituted acyclic hydrocarbon group or a cyclic hydrocarbon group, and their pharmaceutically acceptable salts, have excellent pharmacological activities such as strong bronchodilating activity or .beta.-adrenergic blocking activity. They are useful as medicines, for example, for treatment of asthma or arrhythmia.

Abstract: Novel bicyclic compounds of the general formula: ##STR1## wherein Y stands for --O-- or a methylene group, Z stands for hydrogen or an alkyl group having 1 to 6 carbon atoms and R stands for hydrogen or an alkyl group having 1 to 6 carbon atoms are useful as medicines for treatment of asthma or arrhythmia.

Abstract: Novel aminotetralol compounds of the formula ##STR1## wherein R.sup.1 is hydrogen, acyl derived from carboxylic acid, or a hydrocarbon group which may be substituted; --OZ.sup.1 is hydroxyl which may be protected; Y is hydrogen, acyl, hydroxyl which may be protected, amino which may be substituted, nitro, cyano or halogen; and n is zero, 1 or 2 with a proviso that when Y is hydrogen or hydroxyl which may be protected, n is not zero, and their salts, have excellent pharmacological activities such as strong bronchodilating activity. They are useful as medicines, for example, for treatment of asthma.

Abstract: Novel aminotetralol compounds of the formula ##STR1## wherein Z.sup.1 and Z.sup.2 are hydrogen or an alkyl group and R.sup.1 is a substituted acyclic hydrocarbon group or a cyclic hydrocarbon group, and their pharmaceutically acceptable salts, have excellent pharmacological activities such as strong bronchodilating activity or .beta.-adrenergic blocking activity. They are useful as medicines, for example, for treatment of asthma or arrhythmia.

Abstract: Novel quinone derivatives of Formula ##SPC1##(wherein each R represents a lower alkyl group or a lower alkoxy group, or alternatively the R's, taken together, form -CH=CH-CH=CH-, and Z represnts hydrogen or a lower alkyl group) and pharmaceutically acceptable salts thereof exhibit excellent pharmacological activities such as vitamin-like activity, especially vitamin E-like activity, and immunosuppressive activity.