Patents Assigned to Mercian Corporation
  • Publication number: 20110305793
    Abstract: The present invention relates to a method of production of a solution containing an abundance of 3-mercaptohexan-1-ol (3MH) and alcohol and having a desirable aroma by employing a grape skin extract; an aromatic agent employing the 3MH and alcohol containing solution; a method of production of a drink with an enhanced aroma; and a method of production of fruit liquor, employing a grape skin extract. The method of production of the 3MH and alcohol containing comprising: inoculating a starting material aqueous solution comprising S-(3-hexan-1-ol)glutathione and S-(3-hexan-1-ol)-L-cysteine with a lactic acid bacterium and yeast to produce 3-mercaptohexan-1-ol and alcohol. The starting material aqueous solution comprises a grape skin extract. The lactic acid bacterium is a lactic acid bacterium that is capable of converting S-(3-hexan-1-ol)glutathione to S-(3-hexan-1-ol)-L-cysteine.
    Type: Application
    Filed: December 4, 2009
    Publication date: December 15, 2011
    Applicant: Mercian Corporation
    Inventors: Hideki Takase, Hironori Kobayashi, Fumiko Tanzawa, Hiroyuki Ohashi, Ryoji Takata, Tomonori Kon-No, Takashi Okoshi
  • Patent number: 7932083
    Abstract: The present invention provides a DNA participating in biological transformation of a macrolide compound 11107B. The present invention provides, particularly, a DNA participating in biological transformation of a macrolide compound 11107B represented by the formula (I) into a 16-position hydroxy macrolide compound 11107D represented by the formula (II), the DNA encoding a protein having 16-position hydroxylating enzymatic activity or ferredoxin, to a method of isolating the DNA, to a protein encoded by the DNA, a plasmid carrying the DNA, a transformant obtained by transforming using the plasmid and a method of producing a 16-position hydroxy compound by using the transformant.
    Type: Grant
    Filed: November 25, 2004
    Date of Patent: April 26, 2011
    Assignees: Mercian Corporation, Eisai R&D Management Co., Ltd.
    Inventors: Kazuhiro Machida, Takashi Nakashima, Yasuhide Aritoku, Toshio Tsuchida
  • Patent number: 7893068
    Abstract: The present invention relates to a compound represented by the formula (I): (wherein, R3, R6, R7 and R21 are the same as or different from one another and each represents a hydroxyl group etc.), a pharmacologically acceptable salt thereof or a hydrate of them. The compound (I) of the present invention suppresses angiogenesis, in particular, suppresses VEGF production in a hypoxic condition and is useful as a therapeutic agent for treating solid cancer.
    Type: Grant
    Filed: October 29, 2007
    Date of Patent: February 22, 2011
    Assignees: Mercian Corporation, Eisai R&D Management Co., Ltd.
    Inventors: Yoshihiko Kotake, Jun Niijima, Yoshio Fukuda, Mitsuo Nagai, Regina Mikie Kanada, Takashi Nakashima, Masahi Yoshida, Toshio Tsuchida
  • Patent number: 7790887
    Abstract: The present invention provides the compound of formula (I) in a solid form which, as a bulk medicament for pharmaceutical manufacture, is uniform, has a high purity, and is easy to work with. The invention further provides a process for preparing this compound, and pharmaceutical compositions containing the same. A solid form of (8E,12E,14E)-7-{(4-cycloheptylpiperazin-1-yl)carbonyl}oxy-3,6,16,21-tetrahydroxy-6,10,12,16,20-pentamethyl-18,19-epoxytricosa-8,12,14-trien-11-olide which has uniform specifications and is easy to work with was developed.
    Type: Grant
    Filed: January 28, 2008
    Date of Patent: September 7, 2010
    Assignees: Eisai R&D Management Co., Ltd., Mercian Corporation
    Inventors: Hiroshi Ishihara, Manabu Sasho, Keizo Sato, Takashi Kamahara, Masashi Yoshida
  • Patent number: 7745198
    Abstract: The present invention provides a novel method of producing the 12-membered ring macrolide compound 11107D having an antitumor activity by biological transformation. Starting material which is the 12-membered ring macrolide compound 11107B represented by the formula (I) is incubated in the presence of a strain belonging to the genus Mortierella, the genus Streptomyces or the family Micromonosporaceae (for example, Streptomyces sp. AB-1704 strain (FERM BP-8551)), each of which has the ability of transforming the 12-membered ring macrolide compound 11107B into a 11107D substance represented by the formula (II), or a preparation of its cultured myceha and oxygen, and then 11107D substance which is a target material is collected from the treating solution.
    Type: Grant
    Filed: November 27, 2003
    Date of Patent: June 29, 2010
    Assignees: Mercian Corporation, Eisai R&D Management Co., Ltd.
    Inventors: Akifumi Okuda, Satoshi Yamamoto, Takashi Sakai, Susumu Takeda, Takashi Nakashima, Katsura Kaneko, Tomohiro Sameshima, Taira Kato, Naoto Kawamura
  • Patent number: 7655442
    Abstract: The present invention provides a method for stabilizing a macrolide compound, and an efficient method for producing the compound. Specifically, it provides a method for stabilizing a macrolide compound, in which a 12-membered ring macrolide compound, such as a compound expressed by the formula (1) and a cyclodextrin are both present, and a method for producing a macrolide compound, in which a cyclodextrin is made to be present in a culture broth of actinomycetes having an ability of producing the macrolide compound.
    Type: Grant
    Filed: January 28, 2005
    Date of Patent: February 2, 2010
    Assignees: Eisai R&D Management Co., Ltd., Mercian Corporation
    Inventors: Hiroshi Ishihara, Susumu Takeda, Tomonari Yamada, Yoshiaki Asahi
  • Patent number: 7619100
    Abstract: The present invention relates to a compound represented by the formula (I): (wherein, R3, R6, R7 and R21 are the same as or different from one another and each represents a hydroxyl group etc.), a pharmacologically acceptable salt thereof or a hydrate of them. The compound (I) of the present invention suppresses angiogenesis, in particular, suppresses VEGF production in a hypoxic condition and is useful as a therapeutic agent for treating solid cancer.
    Type: Grant
    Filed: October 29, 2007
    Date of Patent: November 17, 2009
    Assignees: Mercian Corporation, Eisai R&D Management Co., Ltd.
    Inventors: Yoshihiko Kotake, Jun Niijima, Yoshio Fukuda, Mitsuo Nagai, Regina Mikie Kanada, Takashi Nakashima, Masahi Yoshida, Toshio Tsuchida
  • Patent number: 7576204
    Abstract: A compound represented by the following general formula (I): (I) wherein R7 and R21 are the same or different and each represents optionally substituted C2-22 alkoxy, etc.; a pharmaceutically acceptable salt thereof or hydrates of the same. The compound (1) inhibits angiogenesis and inhibits the production of VEGF particularly under hypoxic conditions, which makes it useful as a remedy for solid cancer.
    Type: Grant
    Filed: July 31, 2003
    Date of Patent: August 18, 2009
    Assignees: Mercian Corporation, Eisai R&D Management Co., Ltd.
    Inventors: Mitsuo Nagai, Masashi Yoshida, Toshio Tsuchida
  • Patent number: 7256178
    Abstract: Compounds represented by the following general formula (I), pharmacologically acceptable salts thereof or hydrates of the same: (I) wherein W represents and R3, R7, R16, R17, R20, R21 and R21? are the same or different and each represents hydrogen, etc. Because of inhibiting angiogenesis and inhibiting the production of VEGF particularly in hypoxia, the compounds (I) are useful as remedies for solid cancer.
    Type: Grant
    Filed: July 31, 2003
    Date of Patent: August 14, 2007
    Assignees: Eisai Co., Ltd., Mercian Corporation
    Inventors: Yoshihiko Kotake, Jun Niijima, Yoshio Fukuda, Mitsuo Nagai, Regina Mikie Kanada, Susumu Takeda, Takashi Nakashima, Masashi Yoshida, Toshio Tsuchida, Tomohiro Sameshima
  • Patent number: 7247729
    Abstract: A method of manufacturing a pipecolamide derivative, characterized in that pipecolic acid or an acid salt thereof is reacted with an amine in an inert solvent in the presence of a condensing agent such as dicyclohexylcarbodiimide, 1-ethyl-2-(2-dimethylaminopropyl)carbodiimide, methanesulfonyl chloride or phosphoryl chloride. Pipecolamide derivatives, particularly in optically active forms thereof can be efficiently and economically manufactured without harmful gas by-products.
    Type: Grant
    Filed: September 10, 2002
    Date of Patent: July 24, 2007
    Assignee: Mercian Corporation
    Inventors: Toshio Tsuchida, Katsura Kaneko, Naoki Matsumoto
  • Patent number: 7235388
    Abstract: Provided are an isolated gene capable of participating in the production of L-homoglutamic acid, and a production system of L-homoglutamic acid by using this gene. The gene is derived from the genome of Flavobacterium lutescens.
    Type: Grant
    Filed: June 3, 2004
    Date of Patent: June 26, 2007
    Assignee: Mercian Corporation
    Inventors: Tadashi Fujii, Takao Narita, Kuniho Nakata, Hitosi Agematu, Hiroshi Tsunekawa, Kunio Isshiki, Takeo Yoshioka
  • Publication number: 20060270640
    Abstract: The present invention provides a method of preventing, curing, and/or treating hypocalcemia of a domestic mammal, especially, a cow. Specifically, the present invention provides a method of administrating a vitamin D derivative to prevent, cure and/or treat hypocalcemia, characterized in that a vitamin D derivative, especially, 1?-hydroxyvitamin D3 and/or 1.25-dihydroxyvitamin D3 is transvaginally administered to a domestic mammal.
    Type: Application
    Filed: February 17, 2005
    Publication date: November 30, 2006
    Applicant: Mercian Corporation
    Inventors: Yoshihisa Naito, Norio Yamagishi, Norimoto Okura
  • Patent number: 7115412
    Abstract: Disclosed are a process for preparation of an optically active 7-substituted 3-(2-aminopropyl)indole compound and an intermediate therefor. In the above preparation process, 7-substituted indole is reacted with L- or DL-serine in the presence of a tryptophan-synthesizing enzyme originating in microorganisms to form corresponding 7-substituted L-tryptophan, and it is subjected, if necessary, to reduction, protection, exchange and elimination.
    Type: Grant
    Filed: March 30, 2001
    Date of Patent: October 3, 2006
    Assignees: Mercian Corporation, Dainippon Pharmaceutical Co., Ltd.
    Inventors: Takao Narita, Kunihiro Toyoda, Yoichiro Hirose, Toshio Tsuchida, Shiro Kato, Hiroshi Harada, Akihito Fujii
  • Patent number: 7060821
    Abstract: A compound represented by formula (I); a process for producing a compound (substance F-1490) of formula (I), wherein X represents —O— and R represents a hydroxyl group, by using a microorganism belonging to the genus Cunninghamella; and a Cunninghamella sp. F-1490 strain (FERM BP-8287) capable of producing the substance F-1490; and an osteoclast differentiation inhibitory agent containing as an active ingredient the compound represented by formula (I): wherein X represents —O— or —CH2—, and R represents a hydroxyl group when X represents —O—, or a hydrogen atom when X represents —CH2—.
    Type: Grant
    Filed: March 6, 2003
    Date of Patent: June 13, 2006
    Assignees: Mercian Corporation, Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
    Inventors: Hiroyuki Kumagai, Tomohiro Sameshima, Motoko Matsufuji, Naoto Kawamura, Kunio Isshiki, Hiroyuki Inoue, Tetsuya Someno, Masaaki Ishizuka, Tomio Takeuchi
  • Patent number: 7026352
    Abstract: The present invention provides a novel bioactive substance having an antitumor activity and a process for producing it, and a medical use thereof. Namely, it provides a 12-membered ring macrolide compound represented by the following formula obtained from the incubation solution of Streptomyces sp. Mer.
    Type: Grant
    Filed: February 1, 2002
    Date of Patent: April 11, 2006
    Assignees: Mercian Corporation, Eisai Co., Ltd.
    Inventors: Yoshiharu Mizui, Takashi Sakai, Satoshi Yamamoto, Keisuke Komeda, Masanori Fujita, Akifumi Okuda, Kumiko Kishi, Jun Niijima, Mitsuo Nagai, Kiyoshi Okamoto, Masao Iwata, Yoshihiko Kotake, Toshimitsu Uenaka, Naoki Asai, Motoko Matsufuji, Tomohiro Sameshima, Naoto Kawamura, Kazuyuki Dobashi, Takashi Nakashima, Masashi Yoshida, Toshio Tsuchida, Susumu Takeda, Tomonari Yamada, Koji Norihisa, Takao Yamori
  • Patent number: 7022502
    Abstract: A process for the production of L-pipecolic acid which comprises the step of reducing delta-1-piperideine-6-carboxylic acid by the use of pyrroline-5-carboxylate reductase. The delta-1-piperideine-6-carboxylic acid is obtained by the step of converting L-lysine by the use of lysine 6-aminotransferase encoded by a gene of Flavobacterium lutescens. The steps of reducing delta-1-piperideine-6-carboxylic acid and the converting of L-lysine into L-pipecolic acid by the use of lysine 6-aminotransferase are carried out by using a bacterium transformed with a gene encoding lysine 6-aminotransferase wherein such bacterium comprises pyrroline-5-carboxylate reductase encoded by a gene of Escherichia coli or a coryneform bacterium. A recombinant bacterium which can be used in this production process is also provided. Thus, the present invention can provide an efficient biological process for the production of L-pipecolic acid (or 2-piperidinecarboxylic acid).
    Type: Grant
    Filed: December 22, 2000
    Date of Patent: April 4, 2006
    Assignee: Mercian Corporation
    Inventors: Tadashi Fujii, Yasuhide Aritoku, Manabu Mukaihara, Takao Narita, Hitosi Agematu, Kunio Isshiki
  • Publication number: 20050131061
    Abstract: Compounds represented by formula (I) below; a process for producing the compounds by culturing a microorganism belonging to the genus Aspergillus and isolating the above-mentioned compounds from the culture; an angiogenesis inhibitory agent containing as an active ingredient the compounds; and an Aspergillus sp. F-1491 (FERM BP-8288) strain capable of producing the compounds. In formula (I), R represents a methyl group or an ethyl group, R1 represents a hydrogen atom, a chlorine atom, a hydroxyl group or a methoxy group, R2 represents a hydroxyl group, or R1 and R2 taken together form an epoxy ring structure.
    Type: Application
    Filed: March 6, 2003
    Publication date: June 16, 2005
    Applicants: Mercian Corporation, Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
    Inventors: Hiroyuki Kumagai, Tomohiro Sameshima, Motoko Matsufuji, Naoto Kawamura, Tetsuya Someno, Masaaki Ishiduka, Tomio Takeuchi
  • Publication number: 20050124050
    Abstract: A compound represented by formula (I); a process for producing a compound (substance F-1490) of formula (I), wherein X represents —O— and R represents a hydroxyl group, by using a microorganism belonging to the genus Cunninghamella; and a Cunninghamella sp. F-1490 strain (FERM BP-8287) capable of producing the substance F-1490; and an osteoclast differentiation inhibitory agent containing as an active ingredient the compound represented by formula (I): wherein X represents —O— or —CH2—, and R represents a hydroxyl group when X represents —O—, or a hydrogen atom when X represents —CH2—.
    Type: Application
    Filed: March 6, 2003
    Publication date: June 9, 2005
    Applicant: Mercian Corporation and Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
    Inventors: Hiroyuki Kumagai, Tomohiro Sameshima, Motoko Matsufuji, Naoto Kawamura, Kunio Isshiki, Hiroyuki Inoue, Tetsuya Someno, Masaaki Sihizuka, Tomio Takeuchi
  • Patent number: 6900340
    Abstract: A method of preparing optically active isocoumarin-3-yl-acetic acid derivatives represented by Formula (I): wherein a specific isocoumarin-ketene derivative is subjected to an addition reaction with an optically active alcohol, and then the ester thus obtained is subjected to a hydrolysis reaction. An intermediate for synthesis used therein. A method of preparing isocoumarin-3-yl-acetic acid derivatives represented by Formula (III): wherein a specific isocoumarin derivative is subjected to an addition reaction with carbon monoxide and oxygen in the presence of a transition metal catalyst. An intermediate for synthesis used therein.
    Type: Grant
    Filed: February 1, 2002
    Date of Patent: May 31, 2005
    Assignee: Mercian Corporation
    Inventor: Masaya Nakata
  • Patent number: 6890746
    Abstract: Provided are an isolated gene capable of participating in the production of L-homoglutamic acid, and a production system of L-homoglutamic acid by using this gene. The gene is derived from the genome of Flavobacterium lutescens.
    Type: Grant
    Filed: August 4, 1999
    Date of Patent: May 10, 2005
    Assignee: Mercian Corporation
    Inventors: Tadashi Fujii, Takao Narita, Kuniho Nakata, Hitosi Agematu, Hiroshi Tsunekawa, Kunio Isshiki, Takeo Yoshioka