摘要:
A new FR901451 substance which is produced by culturing a FR901451 substance-producing strain of the genus Flexibacter in a nutrient medium, this new substance possessing a human leukocyte elastase-inhibiting activity.
摘要:
A method for therapy of disseminated intravascular coagulation, or chronic respiratory tract infectious disease characterized by administering to a patient in need thereof an effective dose suitable for therapeutic treatment of said condition of WS7622A mono- or di-sulfate ester or their pharmaceutically acceptable salt.
摘要:
A degenerative disease selected from the group consisting of cystic fibrosis, chronic bronchitis and bronchiectasia is treated by administering to a subject a therapeutically effective amount of WS7622A mono-or disulfate or pharmaceutically acceptable salt thereof.
摘要:
The present invention relates to new WS7622A, B, C and/or D substances, derivatives thereof and pharmaceutical compositions containing the new substances as active ingredients.
摘要:
A method of treating pulmonary emphysema or adult respiratory distress syndrome in a subject in need thereof which comprises administering to the subject an effective amount of WS7622A, B, C and/or D, derivatives thereof, or their pharmaceutically acceptable salt.
摘要:
The present invention relates to a novel fatty acid derivative of the following formula: ##STR1## wherein R.sup.1 is acyl group, etc.;R.sup.2 is acyl(lower)alkyl;R.sup.3 is lower alkyl, etc.;R.sup.4 is hydrogen, etc.; andX is --O--, etc;and a pharmaceutically acceptable salt thereof, which is useful as a medicament; the processes for the preparation of said fatty acid derivative or a salt thereof; a pharmaceutical composition comprising said fatty acid derivative or a pharmaceutically acceptable salt thereof; etc.
摘要:
The invention relates to a compound of antimicrobial activity of the formula ##STR1## wherein R.sup.1 is hydrogen or lower alkanoyl,R.sup.2 is hydrogen or ##STR2## in which R.sup.4, R.sup.5, R.sup.6 and R.sup.7 are hydrogen or lower alkanoyl,R.sup.3 is carboxy or a protected carboxy, and pharmaceutically acceptable salt thereof.
摘要:
WB2663 substance-producing bacteria belonging to the genus Pseudomonas are cultured to produce a physiologically active substance, from which are isolated neutral substances WB2663A, WB2663B and WB2663C having respective specific rotations[.alpha.].sub.D.sup.23 : -36.degree. (C=0.5, CH.sub.2 Cl.sub.2),[.alpha.].sub.D.sup.23 : -12.degree. (C=0.5, CH.sub.2 Cl.sub.2),[.alpha.].sub.D.sup.23 : -9.degree. (C=0.5, CH.sub.2 Cl.sub.2),These substances have an excellent antitumor effect.
摘要:
Anthraquinone compounds of the formula: ##STR1## wherein: R.sup.1 is hydrogen, hydroxy or acyloxy,R.sup.2 is hydrogen or acyl,R.sup.3 is acyl,R.sup.4 is hydrogen or acyl,R.sup.5 is hydrogen or acyl,R.sup.6 is hydrogen or acyl, andR.sup.7 is hydrogen or acylhave been found to possess endothelin antagonistic properties and are producible by various synthetic and fermentation processes.