Abstract: Disclosed is: a fluorescent dye comprising a compound, a tautomer of the compound, or a salt of the compound or the tautomer; a labeled composite substance comprising the fluorescent dye and a composite substance which are bonded to each other; a composition containing the fluorescent dye or the labeled composite substance; and a method for acquiring information about a substance of interest by a super-resolution microscopy.

Abstract: The present invention is directed to a method of treating pain comprising the administering the following 1-indansulfamide compounds: N-[(1S)-2,2,5,7-tetrafluoro-2,3-dihydro-1H-inden-1-yl]sulfamide, (?)-N-(7-chloro-2,2,5-trifluoro-2,3-dihydro-1H-inden-1-yl)sulfamide, N-[(1S)-2,2-difluoro-7-methyl-2,3-dihydro-1H-inden-1-yl]sulfamide, and N-[(1S)-2,2,5-trifluoro-7-methyl-2,3-dihydro-1H-inden-1-yl]sulfamide.

Abstract: A medicine comprising a 1-indansulfamides compound such as N-[(1S)-2,2,5,7-tetrafluoro-2,3-dihydro-1H-inden-1-yl]sulfamide, or N-[(1S)-2,2-difluoro-7-methyl-2,3-dihydro-1H-indene-1-yl]sulfamide or a pharmaceutically acceptable salt thereof, has an analgesic effects in the mouse hot-plate test and rat constriction nerve injury model and thus holds promise as a therapeutic agent for acute and chronic pain.

Abstract: The present disclosure provides compounds and methods that are useful for the preparation of compounds useful as orexin-2 receptor antagonists.

Abstract: Novel indansulfamide derivatives or a pharmaceutically acceptable salt thereof such as N-[(1S)-2,2,5,7-tetrafluoro-2,3-dihydro-1H-inden-1-yl]sulfamide, N-[(1S)-2,2,4,7-tetrafluoro-2,3-dihydro-1H-inden-1-yl]sulfamide, (+)-N-(2,2,4,6,7-pentafluoro-2,3-dihydro-1H-inden-1-yl)sulfamide, have an action of improving Seizure Severity Index (Score) in mice kindling model. Thus the compounds or the salt thereof are expected as a drug for treating epilepsy.

Abstract: The present disclosure provides compounds and methods that are useful for the preparation of compounds useful as orexin-2 receptor antagonists.

Abstract: Novel indansulfamide derivatives or a pharmaceutically acceptable salt thereof such as N-[(1S)-2,2,5,7-tetrafluoro-2,3-dihydro-1H-inden-1-yl]sulfamide, N-[(1S)-2,2,4,7-tetrafluoro-2,3-dihydro-1H-inden-1-yl]sulfamide, (+)-N-(2,2,4,6,7-pentafluoro-2,3-dihydro-1H-inden-1-yl)sulfamide, have an action of improving Seizure Severity Index (Score) in mice kindling model. Thus the compounds or the salt thereof are expected as a drug for treating epilepsy.

Abstract: A cyclopropane compound represented by the following formula (A) or a pharmaceutically acceptable salt thereof has orexin receptor antagonism, and therefore has a potencial of usefulness for the treatment of sleep disorder for which orexin receptor antagonism is effective, for example, insomnia: wherein Q represents —CH— or a nitrogen atom, R1a and R1b each independently represent a C1-6 alkyl group and the like, R1c represents a hydrogen atom and the like, R2a, R2b, R2c and R2d each independently represent a hydrogen atom, a halogen atom, a C1-6 alkyl group and the like, R3a, R3b and R3c each independently represent a hydrogen atom, a halogen atom and the like, and R3d represents a hydrogen atom and the like.

Abstract: A cyclopropane derivative represented by the following formula (I) or a pharmaceutically acceptable salt thereof has orexin receptor inhibitory action, and thus, is extremely useful as an agent for preventing or treating sleep disorder or dyssomnia caused by orexin, including insomnia as a typical example: wherein A1, A2 and A3 each independently represent an aryl group, a heterocyclyl group or the like, R1, R2 and R3 each independently represent a hydrogen atom, a C1-6 alkyl group or the like, X represents an oxygen atom or the like, and L represents a bond or the like.

Abstract: A cyclopropane compound represented by the following formula (A) or a pharmaceutically acceptable salt thereof has orexin receptor antagonism, and therefore has a potencial of usefulness for the treatment of sleep disorder for which orexin receptor antagonism is effective, for example, insomnia: wherein Q represents —CH— or a nitrogen atom, R1a and R1b each independently represent a C1-6 alkyl group and the like, R1c represents a hydrogen atom and the like, R2a, R2b, R2c and R2d each independently represent a hydrogen atom, a halogen atom, a C1-6 alkyl group and the like, R3a, R3b and R3c each independently represent a hydrogen atom, a halogen atom and the like, and R3d represents a hydrogen atom and the like.

Abstract: Disclosed is a compound represented by the general formula (I) or a salt thereof: wherein any one of R1, R2 and R3 represents a group represented by the formula: —(CH2)m-NR11R12 (wherein m is 1 or 2; and R11 and R12 independently represent a hydrogen atom or a C1-6 alkyl group or may, together with a nitrogen atom to which R11 and R12 are bound, form a 4- or 5-membered cyclic group); the remaining two or R1, R2 and R3 independently represent a group represented by the formula: —(O)n-R21 (wherein n is 0 or 1; and R21 represents a hydrogen atom, a C1-6 alkyl group, a C2-6 alkenyl group, a C2-6 alkynyl group, or the like); and R4 represents a C1-6 alkyl group which may have a substituent or the like.