Provided is a production method of kakeromycin and a derivative thereof showing an antifungal activity and cytotoxicity and expected as a new antifungal agent or anticancer agent, by chemical synthesis. A production method of a compound represented by the formula (1):

##STR00001##

wherein R is an optionally substituted hydrocarbon group or an optionally substituted heterocyclic group; and n is 0 or 1, or a salt thereof, including a step of subjecting a compound represented by the formula (2):

##STR00002##

wherein R and n are as defined above, or a salt thereof, to an oxidation reaction.

Provided is a production method of kakeromycin and a derivative thereof showing an antifungal activity and cytotoxicity and expected as a new antifungal agent or anticancer agent, by chemical synthesis. A production method of a compound represented by the formula (1):

##STR00001##

wherein R is an optionally substituted hydrocarbon group or an optionally substituted heterocyclic group; and n is 0 or 1, or a salt thereof, including a step of subjecting a compound represented by the formula (2):

##STR00002##

wherein R and n are as defined above, or a salt thereof, to an oxidation reaction.

Provided are a compound represented by formula (I) or a salt thereof, a nerve growth promoter containing the compound or a salt thereof as an active ingredient, a pharmaceutical composition containing the compound or a salt thereof, a therapeutic agent for neurodegenerative diseases containing the compound or a salt thereof as an active ingredient, a therapeutic agent for amyotrophic lateral sclerosis containing the compound or a salt thereof as an active ingredient, a therapeutic agent for pain containing the compound or a salt thereof as an active ingredient, and a therapeutic agent for lower urinary tract dysfunction containing the compound or a salt thereof as an active ingredient.

The present invention includes name compounds of general formula (I): (I) in which R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are as defined herein, methods for their preparation, pharmaceutical compositions and combinations comprising said compounds, and their use for the treatment of hyperproliferative diseases.

##STR00001##

The present invention provides small molecule drugs and pharmaceutical compositions for the treatment and prevention of diseases related to the formation of Aβ42 oligomers in a subject. It further provides a method of reducing formation of or disrupting Aβ42 oligomers in a subject, the method comprising the step of administering to the subject in need thereof a therapeutically effective amount of a pharmaceutical composition.

The present invention provides small molecule drugs and pharmaceutical compositions for the treatment and prevention of diseases related to the formation of Aβ42 oligomers in a subject. It further provides a method of reducing formation of or disrupting Aβ42 oligomers in a subject, the method comprising the step of administering to the subject in need thereof a therapeutically effective amount of a pharmaceutical composition.

Provided is a production method of kakeromycin and a derivative thereof showing an antifungal activity and cytotoxicity and expected as a new antifungal agent or anticancer agent, by chemical synthesis. A production method of a compound represented by the formula (1): ##STR00001##
wherein R is an optionally substituted hydrocarbon group or an optionally substituted heterocyclic group; and n is 0 or 1, or a salt thereof, including a step of subjecting a compound represented by the formula (2): ##STR00002##
wherein R and n are as defined above, or a salt thereof, to an oxidation reaction.

Provided is a production method of kakeromycin and a derivative thereof showing an antifungal activity and cytotoxicity and expected as a new antifungal agent or anticancer agent, by chemical synthesis. A production method of a compound represented by the formula (1): ##STR00001##
wherein R is an optionally substituted hydrocarbon group or an optionally substituted heterocyclic group; and n is 0 or 1, or a salt thereof, including a step of subjecting a compound represented by the formula (2): ##STR00002##
wherein R and n are as defined above, or a salt thereof, to an oxidation reaction.

The present disclosure provides small molecule drugs and pharmaceutical compositions for the treatment and prevention of diseases related to the formation of Aβ42 oligomers in a subject. It further provides a method of reducing formation of or disrupting Aβ42 oligomers in a subject, the method comprising the step of administering to the subject in need thereof a therapeutically effective amount of a pharmaceutical composition. One such compound is a compound of formula 120: ##STR00001##

The present disclosure provides small molecule drugs and pharmaceutical compositions for the treatment and prevention of diseases related to the formation of Aβ42 oligomers in a subject. It further provides a method of reducing formation of or disrupting Aβ42 oligomers in a subject, the method comprising the step of administering to the subject in need thereof a therapeutically effective amount of a pharmaceutical composition. One such compound is a compound of formula 120: ##STR00001##