Patents by Inventor Makoto Bamba
Makoto Bamba 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: 11274076Abstract: A process for preparing a compound represented by Formula [1], the process comprising a step of hydrolyzing a compound represented by Formula [2] under an acidic or basic condition, and a step of reacting a compound represented by Formula [3] with a metal acetate salt, and a step of halogenating a compound represented by Formula [4]; a process for preparing a compound represented by Formula [1] comprising a step of reacting a compound represented by Formula [3] with a metal acetate salt, and then, adding alcohol, water, or base to the reaction solution to perform reaction; a process for preparing a compound represented by Formula [1] comprising a step of reacting a compound represented by Formula [3] under a presence or absence of a base, an ionic liquid and a metal sulfate salt, in water or a mixed solvent of water and an organic solvent; a compound represented by Formula [2] or a salt of the same; and a compound represented by Formula [3] or a salt of the same.Type: GrantFiled: February 8, 2016Date of Patent: March 15, 2022Assignee: GOWAN COMPANY, L.L.C.Inventors: Tsuyoshi Kawano, Makoto Bamba, Daisuke Horikoshi
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Patent number: 10104891Abstract: The invention relates to a compound or a salt thereof of formula [1], a fungicidal composition containing the compound or a salt thereof, a method for controlling plant disease occurring from phytopathogenic microorganism including the step of applying the fungicidal composition and a production method of the compound.Type: GrantFiled: April 19, 2018Date of Patent: October 23, 2018Assignee: SDS BIOTECH K.K.Inventors: Hiroshi Wada, Daisuke Horikoshi, Makoto Bamba, Tsuyoshi Kawano, Takatoshi Sakaguchi
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Publication number: 20180235225Abstract: The invention relates to a compound or a salt thereof of formula [1], a fungicidal composition containing the compound or a salt thereof, a method for controlling plant disease occurring from phytopathogenic microorganism including the step of applying the fungicidal composition and a production method of the compound.Type: ApplicationFiled: April 19, 2018Publication date: August 23, 2018Inventors: Hiroshi Wada, Daisuke Horikoshi, Makoto Bamba, Tsuyoshi Kawano, Takatoshi Sakaguchi
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Patent number: 9980487Abstract: The invention relates to a compound or a salt thereof of formula [1], a fungicidal composition containing the compound or a salt thereof, a method for controlling plant disease occurring from phytopathogenic microorganism including the step of applying the fungicidal composition and a production method of the compound.Type: GrantFiled: June 11, 2015Date of Patent: May 29, 2018Assignee: SDS BIOTECH K.K.Inventors: Hiroshi Wada, Daisuke Horikoshi, Makoto Bamba, Tsuyoshi Kawano, Takatoshi Sakaguchi
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Publication number: 20170231226Abstract: The invention relates to a compound or a salt thereof of formula [1], a fungicidal composition containing the compound or a salt thereof, a method for controlling plant disease occurring from phytopathogenic microorganism including the step of applying the fungicidal composition and a production method of the compound.Type: ApplicationFiled: June 11, 2015Publication date: August 17, 2017Applicant: SDS BIOTECH K.K.Inventors: Hiroshi Wada, Daisuke Horikoshi, Makoto Bamba, Tsuyoshi Kawano, Takatoshi Sakaguchi
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Publication number: 20140303178Abstract: The invention relates to compounds of a general formula (I): wherein Ar1 is an optionally-substituted aryl or heteroaromatic group; R1 is an optionally-substituted lower alkyl, lower alkenyl, lower alkynyl or cyclo-lower alkyl group, or is an aryl, aralkyl or heteroaromatic group optionally having a substituent; R2 is a hydrogen atom, a lower alkyl group, a lower alkenyl group or a lower alkynyl group, or is an aryl, aralkyl or heteroaromatic group optionally having a substituent; R3 is a hydrogen atom or a lower alkyl group; R4 is a hydrogen atom, a halogen atom, a hydroxyl group, a lower alkyl group or a group of —N(R1k)R1m; T and U are a nitrogen atom or a methine group, etc. The compounds of the invention have excellent Weel kinase-inhibitory effect and are therefore useful in the field of medicines, especially treatment of various cancers.Type: ApplicationFiled: June 24, 2014Publication date: October 9, 2014Inventors: Takeshi Sagara, Sachie Otsuki, Satoshi Sunami, Toshihiro Sakamoto, Kenji Niiyama, Fuyuki Yamamoto, Takashi Yoshizumi, Hidetomo Furuyama, Yasuhiro Goto, Makoto Bamba, Keiji Takahashi, Hiroshi Hirai, Toshihide Nishibata
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Patent number: 8791125Abstract: The invention relates to compounds of a general formula (I): wherein Ar1 is an optionally-substituted aryl or heteroaromatic group; R1 is an optionally-substituted lower alkyl, lower alkenyl, lower alkynyl or cyclo-lower alkyl group, or is an aryl, aralkyl or heteroaromatic group optionally having a substituent; R2 is a hydrogen atom, a lower alkyl group, a lower alkenyl group or a lower alkynyl group, or is an aryl, aralkyl or heteroaromatic group optionally having a substituent; R3 is a hydrogen atom or a lower alkyl group; R4 is a hydrogen atom, a halogen atom, a hydroxyl group, a lower alkyl group or a group of —N(R1k)R1m; T and U are a nitrogen atom or a methine group, etc. The compounds of the invention have excellent Weel kinase-inhibitory effect and are therefore useful in the field of medicines, especially treatment of various cancers.Type: GrantFiled: March 22, 2011Date of Patent: July 29, 2014Assignee: MSD K.K.Inventors: Takeshi Sagara, Sachie Otsuki, Satoshi Sunami, Toshihiro Sakamoto, Kenji Niiyama, Fuyuki Yamamoto, Takashi Yoshizumi, Hidetomo Furuyama, Yasuhiro Goto, Makoto Bamba, Keiji Takahashi, Hiroshi Hirai, Toshihide Nishibata
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Patent number: 8765789Abstract: The present invention relates to a compound which has a glucokinase-activating effect and is useful as a therapeutic agent for diabetes mellitus, being represented by a formula (I): [wherein X1 represents a nitrogen atom, sulfur atom, oxygen atom or the like; R1 represents a 6- to 10-membered aryl group, 5- to 7-membered heteroaryl group or the like; D represents an oxygen atom or sulfur atom; R2 and R3 are the same or different, each representing a hydrogen atom, lower alkyl group or the like; a formula (II) represents an optionally substituted 5- to 7-membered heteroaryl group or the like; a formula (III) represents a monocyclic or bicyclic heteroaryl group] or a pharmaceutically acceptable salt thereof.Type: GrantFiled: November 27, 2012Date of Patent: July 1, 2014Assignee: MSD K.K.Inventors: Morihiro Mitsuya, Makoto Bamba, Fumiko Sakai, Hitomi Watanabe, Yasuhiro Sasaki, Teruyuki Nishimura, Jun-ichi Eiki
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Patent number: 8575179Abstract: The invention relates to compounds represented by the general formula (I) and the like. In the formula, Ar1 denotes an aryl or heteroaryl group which may have a substituent; R1 denotes a hydrogen atom, or denotes a C1-C6 alkyl, aryl, aralkyl or heteroaryl group which may have a substituent; R2 denotes an aralkyl group or a group represented by the formula (a); and R3 denotes a hydrogen atom or a C1-C6 alkyl group. The compounds of the invention have an excellent Wee1 kinase inhibitory effect, and therefore are useful in the field of medicine, especially in the field of treatment of various cancers.Type: GrantFiled: December 9, 2009Date of Patent: November 5, 2013Assignee: MSD K.K.Inventors: Makoto Bamba, Satoshi Sunami
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Patent number: 8507505Abstract: The present invention relates to a compound of General Formula (I) below, among others. In the Formula, Ar1 is an optionally substituted aryl or heteroaryl group; R1 is a hydrogen atom, an optionally substituted C1-C6 alkyl group, or an optionally substituted aryl, aralkyl, or heteroaryl group; R2 is an optionally substituted aryl, aralkyl, or heteroaryl group; and R3 is a hydrogen atom or a C1-C6 alkyl group. A compound of the present invention has an excellent Wee1 kinase inhibiting effect, and is therefore useful in the filed of medicine, particularly in various types of cancer therapy.Type: GrantFiled: December 9, 2009Date of Patent: August 13, 2013Assignee: MSD K.K.Inventors: Makoto Bamba, Hidetomo Furuyama, Toshihiro Sakamoto, Satoshi Sunami, Keiji Takahashi, Fuyuki Yamamoto, Takashi Yoshizumi
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Patent number: 8436004Abstract: The invention relates to a compound of a general formula (I): wherein A1 and A2 each mean a nitrogen atom or an optionally-substituted methine group; Ring B means a 5-membered to 7-membered aliphatic ring, or a spiro or bicyclo ring formed from the aliphatic ring and any other 3-membered to 7-membered aliphatic ring; R1 means a hydrogen atom, or an optionally-substituted C1-C6 alkyl group, or an optionally-substituted aryl, aralkyl or heteroaryl group; R2 means an optionally-substituted aryl, aralkyl or heteroaryl group; and X means a group of ?NH or ?O, etc. Based on its excellent Wee1 kinase-inhibitory effect, the compound of the invention has cell growth-inhibitory effect and has an additive/synergistic effect with any other anticancer agent, and is therefore useful in the field of medicine.Type: GrantFiled: June 12, 2008Date of Patent: May 7, 2013Assignee: MSD K.K.Inventors: Makoto Bamba, Hidetomo Furuyama, Kenji Niiyama, Toshihiro Sakamoto, Satoshi Sunami, Keiji Takahashi, Fuyuki Yamamoto, Takashi Yoshizumi
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Patent number: 8344003Abstract: The present invention relates to a compound which has a glucokinase-activating effect and is useful as a therapeutic agent for diabetes mellitus, being represented by a formula (I): [wherein X1 represents a nitrogen atom, sulfur atom, oxygen atom or the like; R1 represents a 6- to 10-membered aryl group, 5- to 7-membered heteroaryl group or the like; D represents an oxygen atom or sulfur atom; R2 and R3 are the same or different, each representing a hydrogen atom, lower alkyl group or the like; a formula (II) represents an optionally substituted 5- to 7-membered heteroaryl group or the like; a formula (III) represents a monocyclic or bicyclic heteroaryl group] or a pharmaceutically acceptable salt thereof.Type: GrantFiled: October 23, 2009Date of Patent: January 1, 2013Assignee: MSD K. K.Inventors: Morihiro Mitsuya, Makoto Bamba, Fumiko Sakai, Hitomi Watanabe, Yasuhiro Sasaki, Teruyuki Nishimura, Jun-ichi Eiki
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Publication number: 20110245229Abstract: The invention relates to compounds represented by the general formula (I) and the like. In the formula, Ar1 denotes an aryl or heteroaryl group which may have a substituent; R1 denotes a hydrogen atom, or denotes a C1-C6 alkyl, aryl, aralkyl or heteroaryl group which may have a substituent; R2 denotes an aralkyl group or a group represented by the formula (a); and R3 denotes a hydrogen atom or a C1-C6 alkyl group. The compounds of the invention have an excellent Weel kinase inhibitory effect, and therefore are useful in the field of medicine, especially in the field of treatment of various cancers.Type: ApplicationFiled: December 9, 2009Publication date: October 6, 2011Inventors: Makoto Bamba, Satoshi Sunami
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Publication number: 20110243891Abstract: The present invention relates to a compound of General Formula (I) below, among others. In the Formula, Ar1 is an optionally substituted aryl or heteroaryl group; R1 is a hydrogen atom, an optionally substituted C1-C6 alkyl group, or an optionally substituted aryl, aralkyl, or heteroaryl group; R2 is an optionally substituted aryl, aralkyl, or heteroaryl group; and R3 is a hydrogen atom or a C1-C6 alkyl group. A compound of the present invention has an excellent Weel kinase inhibiting effect, and is therefore useful in the filed of medicine, particularly in various types of cancer therapy.Type: ApplicationFiled: December 9, 2009Publication date: October 6, 2011Inventors: Makoto Bamba, Hidetomo Furuyama, Toshihiro Sakamoto, Satoshi Sunami, Keiji Takahashi, Fuyuki Yamamoto, Takashi Yoshizumi
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Publication number: 20110189130Abstract: The invention relates to compounds of a general formula (I): wherein Ar1 is an optionally-substituted aryl or heteroaromatic group; R1 is an optionally-substituted lower alkyl, lower alkenyl, lower alkynyl or cyclo-lower alkyl group, or is an aryl, aralkyl or heteroaromatic group optionally having a substituent; R2 is a hydrogen atom, a lower alkyl group, a lower alkenyl group or a lower alkynyl group, or is an aryl, aralkyl or heteroaromatic group optionally having a substituent; R3 is a hydrogen atom or a lower alkyl group; R4 is a hydrogen atom, a halogen atom, a hydroxyl group, a lower alkyl group or a group of —N(R1k)R1m; T and U are a nitrogen atom or a methine group, etc. The compounds of the invention have excellent Weel kinase-inhibitory effect and are therefore useful in the field of medicines, especially treatment of various cancers.Type: ApplicationFiled: March 22, 2011Publication date: August 4, 2011Inventors: Takeshi Sagara, Sachie Otsuki, Satoshi Sunami, Toshihiro Sakamoto, Kenji Niiyama, Fuyuki Yamamoto, Takashi Yoshizumi, Hidetomo Furuyama, Yasuhiro Goto, Makoto Bamba, Keiji Takahashi, Hiroshi Hirai, Toshihide Nishibata
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Publication number: 20110135601Abstract: The invention relates to a compound of a general formula (I): wherein A1 and A2 each mean a nitrogen atom or an optionally-substituted methine group; Ring B means a 5-membered to 7-membered aliphatic ring, or a spiro or bicyclo ring formed from the aliphatic ring and any other 3-membered to 7-membered aliphatic ring; R1 means a hydrogen atom, or an optionally-substituted C1-C6 alkyl group, or an optionally-substituted aryl, aralkyl or heteroaryl group; R2 means an optionally-substituted aryl, aralkyl or heteroaryl group; and X means a group of ?NH or ?O, etc. Based on its excellent Wee1 kinase-inhibitory effect, the compound of the invention has cell growth-inhibitory effect and has an additive/synergistic effect with any other anticancer agent, and is therefore useful in the field of medicine.Type: ApplicationFiled: June 12, 2008Publication date: June 9, 2011Inventor: Makoto Bamba
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Patent number: 7935708Abstract: The invention relates to compounds of a general formula (I): wherein Ar1 is an optionally-substituted aryl or heteroaromatic group; R1 is an optionally-substituted lower alkyl, lower alkenyl, lower alkynyl or cyclo-lower alkyl group, or is an aryl, aralkyl or heteroaromatic group optionally having a substituent; R2 is a hydrogen atom, a lower alkyl group, a lower alkenyl group or a lower alkynyl group, or is an aryl, aralkyl or heteroaromatic group optionally having a substituent; R3 is a hydrogen atom or a lower alkyl group; R4 is a hydrogen atom, a halogen atom, a hydroxyl group, a lower alkyl group or a group of —N(R1k)R1m; T and U are a nitrogen atom or a methine group, etc. The compounds of the invention have excellent Weel kinase-inhibitory effect and are therefore useful in the field of medicines, especially treatment of various cancers.Type: GrantFiled: April 25, 2007Date of Patent: May 3, 2011Assignee: MSD K.K.Inventors: Takeshi Sagara, Sachie Otsuki, Satoshi Sunami, Toshihiro Sakamoto, Kenji Niiyama, Fuyuki Yamamoto, Takashi Yoshizumi, Hidetomo Furuyama, Yasuhiro Goto, Makoto Bamba, Keiji Takahashi, Hiroshi Hirai, Toshihide Nishibata
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Patent number: 7834019Abstract: The invention relates to compounds of a general formula (I): wherein Ar1 is an optionally-substituted aryl or heteroaromatic group; R1 is an optionally-substituted lower alkyl, lower alkenyl, lower alkynyl or cyclo-lower alkyl group, or is an aryl, aralkyl or heteroaromatic group optionally having a substituent; R2 is a hydrogen atom, a lower alkyl group, a lower alkenyl group or a lower alkynyl group, or is an aryl, aralkyl or heteroaromatic group optionally having a substituent; R3 is a hydrogen atom or a lower alkyl group; R4 is a hydrogen atom, a halogen atom, a hydroxyl group, a lower alkyl group or a group of —N(R1k)R1m; T and U are a nitrogen atom or a methine group, etc. The compounds of the invention have excellent Weel kinase-inhibitory effect and are therefore useful in the field of medicines, especially treatment of various cancers.Type: GrantFiled: April 25, 2007Date of Patent: November 16, 2010Assignee: Banyu Pharmaceutical Co., Ltd.Inventors: Takeshi Sagara, Sachie Otsuki, Satoshi Sunami, Toshihiro Sakamoto, Kenji Niiyama, Fuyuki Yamamoto, Takashi Yoshizumi, Hidetomo Furuyama, Yasuhiro Goto, Makoto Bamba, Keiji Takahashi, Hiroshi Hirai, Toshihide Nishibata
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Patent number: 7687502Abstract: The present invention provides a compound having a glucokinase activating action being useful for prevention or treatment of diabetes mellitus, etc. being represented by the formula (I): X is nitrogen atom, etc.; Y is oxygen atom, etc.; R1 is an optionally substituted five to six-membered heteroaryl group, etc.; R2 is hydrogen atom or fluorine atom; and ring A is a monocyclic or bicyclic heteroaryl group which may have a substituent represented by the formula (II)] or a pharmaceutically acceptable salt thereof.Type: GrantFiled: March 23, 2005Date of Patent: March 30, 2010Assignee: Banyu Pharmaceutical Co., Ltd.Inventors: Morihiro Mitsuya, Makoto Bamba, Yasuhiro Sasaki, Teruyuki Nishimura, Jun-ichi Eiki, Keisuke Arakawa
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Publication number: 20100063024Abstract: The invention relates to compounds of a general formula (I): wherein Ar1 is an optionally-substituted aryl or heteroaromatic group; R1 is an optionally-substituted lower alkyl, lower alkenyl, lower alkynyl or cyclo-lower alkyl group, or is an aryl, aralkyl or heteroaromatic group optionally having a substituent; R2 is a hydrogen atom, a lower alkyl group, a lower alkenyl group or a lower alkynyl group, or is an aryl, aralkyl or heteroaromatic group optionally having a substituent; R3 is a hydrogen atom or a lower alkyl group; R4 is a hydrogen atom, a halogen atom, a hydroxyl group, a lower alkyl group or a group of —N(R1k)R1m; T and U are a nitrogen atom or a methine group, etc. The compounds of the invention have excellent Weel kinase-inhibitory effect and are therefore useful in the field of medicines, especially treatment of various cancers.Type: ApplicationFiled: April 25, 2007Publication date: March 11, 2010Inventors: Toshihiro Sakamoto, Takeshi Sagara, Sachie Otsuki, Satoshi Sunami, Kenji Niiyama, Fuyuki Yamamoto, Takashi Yoshizumi, Hidetomo Furuyama, Yasuhiro Goto, Makoto Bamba, Keiji Takahashi, Hiroshi Hirai, Toshihide Nishibata