Patents by Inventor Shigeyuki Kikumoto
Shigeyuki Kikumoto has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9388158Abstract: The present invention is a production method for a compound represented by the following general formula (V), the method comprising a step of obtaining a compound represented by the following general formula (II) by reacting a compound represented by the following general formula (I) with an acid: wherein, G1 and G2 are each a protecting group that dissociates under acidic conditions.Type: GrantFiled: December 10, 2012Date of Patent: July 12, 2016Assignee: KUREHA CORPORATIONInventors: Shigeyuki Kikumoto, Hisashi Kanno
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Publication number: 20150315175Abstract: A method for producing a cyclopentanone derivative represented by general formula (III) below, wherein a cyclopentanone derivative represented by general formula (III) below can be produced with higher yield since the method comprises a step in which a compound represented by general formula (II) below is obtained by reacting a compound represented by general formula (I) below with an acid.Type: ApplicationFiled: September 9, 2013Publication date: November 5, 2015Inventors: Shigeyuki KIKUMOTO, Takashi SHIMOKAWARA
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Publication number: 20150025254Abstract: The present invention is a production method for a compound represented by the following general formula (V), the method comprising a step of obtaining a compound represented by the following general formula (II) by reacting a compound represented by the following general formula (I) with an acid: wherein, G1 and G2 are each a protecting group that dissociates under acidic conditions.Type: ApplicationFiled: December 10, 2012Publication date: January 22, 2015Inventors: Shigeyuki Kikumoto, Hisashi Kanno
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Patent number: 8722719Abstract: Provided is an ester of 3-[(4-dipropylamino-butyl)(4-{[(1H-imidazole-2-ylmethyl)(1-methyl-1H-imidazole-2-ylmethyl)amino]methyl}benzyl)amino]propionic acid which is easily hydrolyzed in serum. The amine compound of the present invention is an ester compound represented by general formula (1). (In general formula (1), n is 1-4, and R1 and R2 represent an alkyl group having 1-3 carbon atoms.Type: GrantFiled: September 30, 2011Date of Patent: May 13, 2014Assignee: Kureha CorporationInventors: Ryo Matsui, Toru Yamazaki, Shigeyuki Kikumoto
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Publication number: 20130245280Abstract: Provided is an ester of 3-[(4-dipropylamino-butyl)(4-{[(1H-imidazole-2-ylmethyl)(1-methyl-1H-imidazole-2-ylmethyl)amino]methyl}benzyl)amino]propionic acid which is easily hydrolyzed in serum. The amine compound of the present invention is an ester compound represented by general formula (1). (In general formula (1), n is 1-4, and R1 and R2 represent an alkyl group having 1-3 carbon atoms.Type: ApplicationFiled: September 30, 2011Publication date: September 19, 2013Applicant: KUREHA CORPORATIONInventors: Ryo Matsui, Toru Yamazaki, Shigeyuki Kikumoto
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Publication number: 20110172212Abstract: Novel amine compounds which are represented by the following formula (1) and efficacious against diseases such as a viral infectious disease with HIV, rheumatism, and cancer metastasis; typically, A1 and A2 represent a hydrogen atom or a substitutable monocyclic or polycyclic heteroaromatic ring and W represents a substitutable benzene ring or any group represented by the following formula (10) or (11): where X represents O, CH2, C(?O), NR11, or CHR35 and D represents a group represented by the following formula (6): [Formula 4] -Q-Y—B??(6) where Q represents a single bond, NR12, or a group represented by the formula (13): and Y represents a group represented by the following formula (7): [Formula 6] —(CR18R19)m3- or —(CR20R21)m4-z-(CR22R23)m5-??(7) where z represents a substitutable monocyclic or polycyclic aromatic ring; and B represents —NR25R26; and R1 to R26 in the above formulae represent a hydrogen atom, an alkyl group, an alkenyl group, or an alkynyl group.Type: ApplicationFiled: March 18, 2011Publication date: July 14, 2011Applicant: KUREHA CORPORATIONInventors: Atsushi SAITOU, Shigeyuki Kikumoto, Masahiro Ono, Ryo Matsui, Masashi Yamamoto, Tomohiro Sawa, Shigeru Suzuki, Mikiro Yanaka
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Patent number: 7932281Abstract: Amine compounds represented by Formula (1) are efficacious against diseases such as a viral infectious disease with HIV, rheumatism, and cancer metastasis:Type: GrantFiled: March 10, 2005Date of Patent: April 26, 2011Assignee: Kureha CorporationInventors: Atsushi Saitou, Shigeyuki Kikumoto, Masahiro Ono, Ryo Matsui, Masashi Yamamoto, Tomohiro Sawa, Shigeru Suzuki, Mikiro Yanaka
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Publication number: 20110046113Abstract: It is intended to provide novel amine compounds which are efficacious against diseases such as infection with HIV virus, rheumatism and cancer metastasis. Namely, amine compounds represented by the following general formula (1): In a typical case, A1 and A2 represent each an optionally substituted monocyclic or polycyclic aromatic heterocycle; W represents cyclic C3-10 alkylene, an optionally substituted monocyclic or polycyclic aromatic heterocycle, a monocyclic or polycyclic aromatic ring or a partly saturated polycyclic aromatic ring; X represents O, CH2, C(?O) or NR11; and D is a group represented by the following general formula (4) or (6). In the formula (6), Q represents a single bond, S, O or NR12; and Y is a group represented by the following general formula (7). —(CR18R19)m3— Or —(CR20R21)m4-z-(CR22R23)m5??(7) z represents an optionally substituted monocyclic or polycyclic aromatic ring. In the formula (6), B represents NR25R26.Type: ApplicationFiled: October 12, 2010Publication date: February 24, 2011Applicant: KUREHA CORPORATIONInventors: Toru YAMAZAKI, Shigeyuki KIKUMOTO, Masahiro ONO, Atsushi SAITOU, Haruka TAKAHASHI, Sei KUMAKURA, Kunitaka HIROSE, Mikiro YANAKA, Yoshiyuki TAKEMURA, Shigeru SUZUKI, Ryo MATSUI
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Patent number: 7833991Abstract: It is intended to provide novel amine compounds which are efficacious against diseases such as infection with HIV virus, rheumatism and cancer metastasis. Namely, amine compounds represented by the following general formula (1): In a typical case, A1 and A2 represent each an optionally substituted monocyclic or polycyclic aromatic heterocycle; W represents cyclic C3-10 alkylene, an optionally substituted monocyclic or polycyclic aromatic heterocycle, a monocyclic or polycyclic aromatic ring or a partly saturated polycyclic aromatic ring; X represents O, CH2, C(?O) or NR11; and D is a group represented by the following general formula (4) or (6). In the formula (6), Q represents a single bond, S, O or NR12; and Y is a group represented by the following general formula (7). z represents an optionally substituted monocyclic or polycyclic aromatic ring. In the formula (6), B represents NR25R26. In the above formulae, R1 to R26 each represents hydrogen, alkyl, alkenyl or alkynyl.Type: GrantFiled: February 9, 2007Date of Patent: November 16, 2010Assignee: Kureha CorporationInventors: Toru Yamazaki, Shigeyuki Kikumoto, Masahiro Ono, Atsushi Saitou, Haruka Takahashi, Sei Kumakura, Kunitaka Hirose, Mikiro Yanaka, Yoshiyuki Takemura, Shigeru Suzuki, Ryo Matsui
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Publication number: 20070208007Abstract: Novel amine compounds which are represented by the following formula (1) and efficacious against diseases such as a viral infectious disease with HIV, rheumatism, and cancer metastasis; typically, A1 and A2 represent a hydrogen atom or a substitutable monocyclic or polycyclic heteroaromatic ring and W represents a substitutable benzene ring or any group represented by the following formula (10) or (11): where X represents O, CH2, C(?O), NR11, or CHR35 and D represents a group represented by the following formula (6): where Q represents a single bond, NR12, or a group represented by the formula (13): and Y represents a group represented by the following formula (7): where z represents a substitutable monocyclic or polycyclic aromatic ring; and B represents —NR25R26; and R1 to R26 in the above formulae represent a hydrogen atom, an alkyl group, an alkenyl group, or an alkynyl group.Type: ApplicationFiled: March 10, 2005Publication date: September 6, 2007Inventors: Atsushi Saitou, Shigeyuki Kikumoto, Masahiro Ono, Ryo Matsui, Masashi Yamamoto, Tomohiro Sawa, Shigeru Suzuki, Mikiro Yanaka
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Publication number: 20070208033Abstract: It is intended to provide novel amine compounds which are efficacious against diseases such as infection with HIV virus, rheumatism and cancer metastasis. Namely, amine compounds represented by the following general formula (1): In a typical case, A1 and A2 represent each an optionally substituted monocyclic or polycyclic aromatic heterocycle; W represents cyclic C3-10 alkylene, an optionally substituted monocyclic or polycyclic aromatic heterocycle, a monocyclic or polycyclic aromatic ring or a partly saturated polycyclic aromatic ring; X represents O, CH2, C(?O) or NR11; and D is a group represented by the following general formula (4) or (6). In the formula (6), Q represents a single bond, S, O or NR12; and Y is a group represented by the following general formula (7). z represents an optionally substituted monocyclic or polycyclic aromatic ring. In the formula (6), B represents NR25R26. In the above formulae, R1 to R26 each represents hydrogen, alkyl, alkenyl or alkynyl.Type: ApplicationFiled: February 9, 2007Publication date: September 6, 2007Inventors: Toru Yamazaki, Shigeyuki Kikumoto, Masahiro Ono, Atsushi Saitou, Haruka Takahashi, Sei Kumakura, Kunitaka Hirose, Mikiro Yanaka, Yoshiyuki Takemura, Shigeru Suzuki, Ryo Matsui
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Patent number: 7176227Abstract: Novel amine compounds which are efficacious against diseases such as infection with HIV virus, rheumatism, and cancer metastasis include compounds represented by the following general formula (1), a pharmacologically acceptable salt thereof, or a prodrug thereof: wherein each of n1, n2, and n3 is an integer of 1; each of R1, R2, R3, R4, R5, and R6 is independently a hydrogen atom; A1 is imidazole; A2 is imidazole or imidazole substituted with an alkyl group; W is a phenyl group or naphthyl group; X is CH2; D is a group represented by -Q-Y—B, wherein Q is NR12 and R12 is a hydrogen atom or an alkyl group; Y is (CH2)m3 and m3 is an integer of 2 to 4; and B is N(R25R26), wherein each of R25 and R26 are independently a hydrogen atom, a C1–C6 alkyl group or a C3–C6 cycloalkyl group.Type: GrantFiled: September 5, 2003Date of Patent: February 13, 2007Assignee: Kureha CorporationInventors: Toru Yamazaki, Shigeyuki Kikumoto, Masahiro Ono, Atsushi Saitou, Haruka Takahashi, Sei Kumakura, Kunitaka Hirose, Mikiro Yanaka, Yoshiyuki Takemura, Shigeru Suzuki, Ryo Matsui
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Publication number: 20050165063Abstract: It is intended to provide novel amine compounds which are efficacious against diseases such as infection with HIV virus, rheumatism and cancer metastasis. Namely, amine compounds represented by the following general formula (1): In a typical case, A1 and A2 represent each an optionally substituted monocyclic or polycyclic aromatic heterocycle; W represents cyclic C3-10 alkylene, an optionally substituted monocyclic or polycyclic aromatic heterocycle, a monocyclic or polycyclic aromatic ring or a partly saturated polycyclic aromatic ring; X represents O, CH2, C(?O) or NR11; and D is a group represented by the following general formula (4) or (6). In the formula (6), Q represents a single bond, S, O or NR12; and Y is a group represented by the following general formula (7). z represents an optionally substituted monocyclic or polycyclic aromatic ring. In the formula (6), B represents NR25R26. In the above formulae, R1 to R26 each represents hydrogen, alkyl, alkenyl or alkynyl.Type: ApplicationFiled: September 5, 2003Publication date: July 28, 2005Applicant: Kureha Chemical Industry Company, Limited.Inventors: Toru Yamazaki, Shigeyuki Kikumoto, Masahiro Ono, Atsushi Saitou, Haruka Takahashi, Sei Kumakura, Kunitaka Hirose, Mikiro Yanaka, Yoshiyuki Takemura, Shigeru Suzuki, Ryo Matsui