摘要:
Quinoline derivatives represented by formula (I): ##STR1## wherein A-B-D represents --C(COO--Y).dbd.CH--C(OR).dbd. (wherein Y represents 8-methyl-8-azabicyclo[3.2.1]oct-3-yl group and R represents alkyl) or --C(OH).dbd.C(COX--Y)--CH.dbd. (wherein X represents --O-- or --NH--; and Y has the same meaning as described above), or a pharmaceutically acceptable salt thereof, possess potent 5HT.sub.3 antagonizing activity and are useful as antiemetic agents.
摘要:
Disclosed is a thienopyridine derivative represented by formula (I): ##STR1## wherein one of A and B represents --S-- and the other represents --CH.dbd.; X represents --O-- or --NH--; R.sup.1 represents hydrogen or lower alkyl; R.sup.2 represents lower alkyl; and n represents 0 or 1; or a pharmaceutically acceptable salt thereof.The thienopyridine derivative is useful as anti-emetics and suppressant of migraine.
摘要:
There is disclosed a heterocyclic compound represented by general formula: ##STR1## wherein R.sup.1 represents hydrogen, lower alkyl or aryl; R.sup.2 represents hydrogen, hydroxyl or lower alkyl; A represents CH or N; X represents --O-- or --NH--; R.sup.3 represents hydrogen, hydroxyl or lower alkyl; R.sup.4 represents lower alkyl; represents 0 or 1, or a pharmaceutically acceptable salt thereof.
摘要:
The present invention relates to an antidepressant containing as an active ingredient a xanthine derivative or a pharmaceutically acceptable salt thereof, the xanthine derivative being represented by Formula (I) : ##STR1## in which R.sup.1, R.sup.2, and R.sup.3 represent independently hydrogen, lower alkyl, lower alkenyl;R.sup.4 represents cycloalkyl, --(CH.sub.2).sub.n --R.sup.5 (in which R.sup.5 represents substituted or unsubstituted aryl or a substituted or unsubstituted heterocyclic group; and n is an integer of 0 to 4), or ##STR2## (in which Y.sup.1 and Y.sup.2 represent independently hydrogen, halogen or lower alkyl; and Z represents substituted or unsubstituted aryl, ##STR3## (in which R.sup.6 represents hydrogen, hydroxy, lower alkyl, lower alkoxy, halogen, nitro, or amino; and m represents an integer of 1 to 3), or a substituted or unsubstituted heterocyclic group);and X.sup.1 and X.sup.2 represent independently O or S.
摘要:
Agents for the treatment of Parkinson's disease contain, as an active ingredient, a xanthine derivative or a pharmaceutically acceptable salt thereof. The xanthine derivative is represented by the formula: ##STR1## in which R.sup.1, R.sup.2 are R.sup.3 are independently hydrogen, lower alkyl, lower alkenyl, or lower alkynyl; and R.sup.4 represents cycloalkyl, --(CH.sub.2).sub.n --R.sup.5 (in which R.sup.5 represents substituted or unsubstituted aryl or a substituted or unsubstituted heterocyclic group; and n is an integer of 0 to 4), or ##STR2## in which Y.sup.1 and Y.sup.2 represent independently hydrogen, halogen, or lower alkyl; and Z represents substituted or unsubstituted aryl, ##STR3## in which R.sup.6 represents hydrogen, hydroxy, lower alkyl, lower alkoxy, halogen, nitro, or amino; and m represents an integer of 1 to 4, or a substituted or unsubstituted heterocyclic group; and X.sup.1 and X.sup.2 represent independently O or S.
摘要:
Methods for the treatment of Parkinson's disease comprising administering to a patient an agent which contains, as an active ingredient, a xanthine derivative or a pharmaceutically acceptable salt thereof. The xanthine derivative is represented by the formula: ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are independently hydrogen, lower alkyl, lower alkenyl, or lower alkynyl; and R.sup.4 is cycloalkyl, --(CH.sub.2).sub.n --R.sup.5, wherein R.sup.5 represents substituted or unsubstituted aryl or a substituted or unsubstituted heterocyclic group; and n is an integer of 0 to 4, or ##STR2## wherein Y.sup.1 and Y.sup.2 represent independently hydrogen, halogen, or lower alkyl; and Z is substituted or unsubstituted aryl, ##STR3## wherein R.sup.6 is hydrogen, hydroxy, lower alkyl, lower alkoxy, halogen, nitro, or amino; and m is an integer of 1 to 4, or a substituted or unsubstituted heterocyclic group; and X.sup.1 and X.sup.2 are independently O or S.
摘要:
The present invention relates to novel xanthine derivatives of the formula (I) which are selectively antagonistic to an adenosine A.sub.2 receptor, and pharmaceutically acceptable salts thereof. Formula (I): ##STR1## In the formula, R.sup.1 and R.sup.2 are the same or different and each represents a hydrogen atom, a propyl group, a butyl group or an allyl group; R.sup.3 represents a hydrogen atom or a lower alkyl group; Y.sup.1 and Y.sup.2 are the same or different and each represents a hydrogen atom or a methyl group; and Z represents a substituted or unsubstituted phenyl group, a pyridyl group, an imidazolyl group, a furyl group or a thienyl group.
摘要:
A motilin preparation in the form of a rectal suppository containing motilin together with a pH controller capable of adjusting the pH value of the intrarectal fluid to 8.0 to 10.0, which is highly useful as a rectal suppository.
摘要:
Compounds having analgesic activity which have the formula ##STR1## wherein R.sub.1 -R.sub.6 represent hydrogen or a substituent and X and Y together represent inter alia as epoxyethylene, ethylene halohydrin, haloethylene or a --CH.dbd.CH-group.
摘要:
A furan derivative and a pharmaceutically acceptable salt thereof having gastrointestinal enterokinetic activity which is expected to be used in a broad spectrum of diseases associated with gastrointestinal dyskinesia.