Papers - Kosemura, Seiji

Oryzamutaic acids B-G, new alkaloids from an Oryza sativa mutant with yellow endosperm

KOSEMURA SEIJI

Tetrahedron Letters 51   49-53 2010

Research paper (scientific journal), Joint Work, Accepted

Oryzamutaic acids H-J, new alkaloids from an Oryza sativa mutant with yellow endosperm

KOSEMURA SEIJI

Tetrahedron Letters 51   4953-4956 2010

Research paper (scientific journal), Joint Work, Accepted

Oryzamutic acid A, a novel yellow pigment from an Oryza sativa mutant with yellow endosperm

KOSEMURA SEIJI

Tetrahedron Letters 50   2003-2005 2009

Research paper (scientific journal), Joint Work, Accepted

光と化学物質が織り成す自然界の“なぜ”

KOSEMURA SEIJI

慶應の教養学 (慶應義塾大学法学部)     287－296 2008.12

Research paper (conference, symposium, etc.), Single Work

Metabolites from Penicillium citreo-virideB. IFO 4692 and 6200 Hybrid

KOSEMURA SEIJI

The Hiyoshi Review of Natural Science  ( 37 ) 15-31 2005.03

Research paper (bulletin of university, research institution), Single Work,  ISSN  0911-7237

植物の光屈性に関わる光誘起生長抑制物質

KOSEMURA SEIJI

文部科学省科学研究費補助金研究成果報告書/研究種目　基盤研究（C)　2000-2003    一冊 2004.03

Research paper (other academic), Single Work

Improved synthesis of photoaffinity reagents for labeling the auxin receptor in maize

KOSEMURA SEIJI

The Hiyoshi Review of Natural Science  ( 34 ) 23-37 2003.09

Research paper (bulletin of university, research institution), Joint Work,  ISSN  0911-7237

Metabolites of hybrid strain derived from two different ones by means of cell fusion technique

KOSEMURA SEIJI

The Hiyoshi Review of Natural Science  ( 34 ) 39-51 2003.09

Research paper (bulletin of university, research institution), Joint Work,  ISSN  0911-7237

Allelopathy of pinecones in Japanese red pine tree(Pinus densiflora Sieb.et Zucc.)

M.NODE, K.TOMITA-YOKOTANI, T.SUZUKI, KOSEMURA SEIJI

Weed Biology and Management 3 ( 2 ) 111-116 2003.06

Research paper (scientific journal), Joint Work,  ISSN  1444-6162

Synthetic Study on Euphornin,a Toxic Diterpene from Euphorbia helioscopia L. Ⅱ

KOSEMURA SEIJI

The Hiyoshi Review of Natural Science  ( 33 ) 1-17 2003.03

Research paper (bulletin of university, research institution), Joint Work,  ISSN  0911-7237

Induction of myrosinase gene expression and myrosinase activity in radish hypocotyls by phototropic stimulation

K.YAMADA, T.HASEGAWA, KOSEMURA SEIJI

Journal of Plant Physiology 160 ( 3 ) 255-259 2003.03

Research paper (scientific journal), Joint Work

Meroterpenoids from Penicillium citreo-viride B.IFO 4692 and 6200 hybrid

KOSEMURA SEIJI

Tetrahedron 59 ( 27 ) 5055-5072 2003

Research paper (scientific journal), Single Work

Synthetic Study on Euphornin,a Toxic Diterpene from Euphorbia helioscopia L

KOSEMURA SEIJI, S.KURIHARA, S.YAMAMURA

The Hiyoshi Review of Natural Science  ( 32 ) 39-53 2002.11

Research paper (bulletin of university, research institution), Joint Work,  ISSN  091-7237

Repellents against earthworms,hydroxamic acids and isothiocyanate,from UV-B damaged maize and radish

KOSEMURA SEIJI

Chemistry Letters  ( 10 ) 1010-1011 2002.10

Research paper (scientific journal), Single Work

Growth inhibitor from light-grown oat seedlings

T.SUZUKI, H.TSUBURA, KOSEMURA SEIJI

Biochemical and Systematics Ecology 30 ( 7 ) 705-707 2002.07

Research paper (scientific journal), Joint Work, Accepted

Isolation and identification of plant growth inhibitors as candidate(s) for allelopathic substance(s) from aqueous leachate of mesquite（Prosopis Juliflora(Sw.)DC.）leaves

H.NAKANO, Y.FUJII, KOSEMURA SEIJI

Plant Growth Regulation 37 ( 2 ) 113-117 2002.06

Research paper (scientific journal), Joint Work

Light-induced Growth Inhibitor Related to Phototropism in Buckwheat（Fagopyrum esculentum）Seedlings

KOSEMURA SEIJI

The Hiyoshi Review of Natural Science  ( 31 ) 11-18 2002.03

Research paper (scientific journal), Joint Work,  ISSN  0911-7237

Light-induced Growth Inhibitory Substances from Bean（Vigna mungo L.）Seedlings

KOSEMURA SEIJI

The Hiyoshi Review of Natural Science  ( 31 ) 1-9 2002.03

Research paper (bulletin of university, research institution), Joint Work,  ISSN  0911-7237

Structure and absolute configuration of citreohybridones isolated from Penicillium Species

KOSEMURA SEIJI

Tetrahedron Letters 43 ( 7 ) 1253-1256 2002.02

Research paper (scientific journal), Single Work, Accepted

Effect of auxin-inhibiting substance,raphanusanin and benzoxazolinone on apical dominance of pea seedlings

E.NAKAJIMA, K.YAMADA, KOSEMURA SEIJI

Plant Growth Regulation 35 ( 1 ) 11-15 2001.09

Research paper (scientific journal), Joint Work, Accepted

A species-selective allelopathic substance from germinating sunflower（Helianthus annuus L.）seeds

S.OHNO, K.Tomita-Yokotani, KOSEMURA SEIJI, M.NODE

Phytochemistry 56 ( 6 ) 577-581 2001.03

Research paper (scientific journal), Joint Work, Accepted

Isolation and identification of a light-induced growth inhibitor in diffusates from blue light-illuminated oat(Avena sativa L.)coleoptile tips

T.HASEGAWA, K.YAMADA, KOSEMURA SEIJI

Plant Growth Regulation 33 ( 3 ) 175-179 2001.03

Research paper (scientific journal), Joint Work, Accepted

A growth inhibitory substance exuded from freeze-dried mesquite（Prosopis julifloa (Sw.)DC.）leaves

H.NAKANO, Y.FUJII, KOSEMURA SEIJI

Plant Growth Regulation 33 ( 3 ) 165-168 2001.03

Research paper (scientific journal), Joint Work, Accepted

植物の光屈性分子の化学及び生物学

KOSEMURA SEIJI

天然有機化合物討論会講演要旨集/第42回天然有機化合物討論会 42   181-186 2000.10

Joint Work

Phototropic stimulation induces the conversion of glucosinolate into phototropism-regulating substances of radish hypocotyls

T.HASEGAWA, K.YAMADA, KOSEMURA SEIJI

Phytochemistry 54 ( 3 ) 275-279 2000.06

Research paper (scientific journal), Joint Work, Accepted

Allelopathy of germinating maize 1. Isolation and identification of allelochemicals in maize seedling

H.KATO-NOGUCHI, Y.SAKATA, KOSEMURA SEIJI

Plant Production Science 3 ( 1 ) 43-46 2000

Research paper (scientific journal), Joint Work

廃棄果実種子滲出物の植物の成長に及ぼす効果

KOSEMURA SEIJI

雑草研究 45 ( 4 ) 258-263 2000

Research paper (scientific journal), Joint Work

Phototropic stimulation induces the conversion of glucosinolate to phototropism-regulating substances of radish hypocotyls

T.HASEGAWA, K.YAMADA, KOSEMURA SEIJI

Proceedings/27th Annual meeting of the Plant Growth Regulation Society of America（PGRSA）held Jointly with Japanese Society for the Chemical Regulation of Plants(JSCRP)    112-114 2000

Research paper (conference, symposium, etc.), Joint Work

An allelopathic substance exuded from mesquite（Prosopis juliflora DC.）leaves

H.NAKANO, Y.FUJII, KOSEMURA SEIJI

Proceedings/27th Annual meeting of the Plant Growth Regulation Society of America（PGRSA）held Jointly with Japanese Society for the Chemical Regulation of Plants(JSCRP)    108-111 2000

Research paper (conference, symposium, etc.), Joint Work

Effects of auxin-inhibiting substance, raphanusanin on apical dominance of pea seedlings

NAKAJIMA, E. YAMADA,K. KOSEMURA SEIJI

Proceedings/27th Annual meeting of the Plant Growth Regulation Society of America（PGRSA）held Jointly with Japanese Society for the Chemical Regulation of Plants(JSCRP)    97-99 2000

Research paper (conference, symposium, etc.), Joint Work

Allelopathic substance exuded from serious weed, germinating barnyard grass(Echinochloa crusgalli L.), roots

T.YAMAMOTO, K.YOKOTANI-TOMITA, KOSEMURA SEIJI

Journal of Plant Growth Regulation 18 ( 2 ) 65-67 1999.09

Research paper (scientific journal), Joint Work

Two new metabolites of hybrid strains KO 0201 and 0211 derived from Penicillium citreo-viride B. IFO 6200 and 4692

T.NAKADA, S.SUDO, KOSEMURA SEIJI

Tetrahedron Letters 40 ( 37 ) 6831-6834 1999.09

Research paper (scientific journal), Joint Work

8-Epixanthatin,a light-induced growth inhibitor,mediates the phototropic curvature in sunflower（Helianthus annuus L.）hypocotyls

K.Yokotani-Tomita, J.KATO, K.YAMADA, KOSEMURA SEIJI

Physiologia Plantarum 106 ( 3 ) 326-330 1999.07

Research paper (scientific journal), Joint Work

A new inhibitor of auxin-induced growth,5-C1-6-methoxy-2-benzoxazolinone,from light-grown shoots of maize seedlings

K.TAKANOKUCHI, KOSEMURA SEIJI

Journal of Plant Physiology 154 ( 1 ) 102-105 1999.01

Research paper (scientific journal), Joint Work

Allelopathic potential of 5-Cl-6-methoxy-2-benzoxazolinone

H.Kato-Noguchi, KOSEMURA SEIJI, S.Yamamura

Phytochemistry 48 ( 3 ) 433-435 1998.06

Research paper (scientific journal), Joint Work

Synthesis of the tricyclic ABC ring subunit of manzamineA

S.Li,KOSEMURA SEIJI, S.YAMAMURA

Tetrahedron 54 ( 24 ) 6661-6676 1998.06

Research paper (scientific journal), Joint Work

An allelopathic substance exuded from germinating watermelon seeds

M.KUSHIMA, H.KAKUTA, KOSEMURA SEIJI

Plant Growth Regulation 25 ( 1 ) 1-4 1998.06

Research paper (scientific journal), Joint Work

Growth-promoting allelopathic substance exuded germinating Arabidopsis thaliana seeds

K.Yokotani-Tomita, N.Goto, KOSEMURA SEIJI

Phytochemistry 47 ( 1 ) 1-2 1998.01

Research paper (scientific journal), Joint Work

Nucleotide sequence of oat（Avena sativa L.）cDNA encoding an auxin-binding protein (ABP1)

T.Anai, N.Kono, R.Takai, KOSEMURA SEIJI

DNA sequence 8 ( 4 ) 235-239 1998

Research paper (scientific journal), Joint Work

Lepidimoide promoters light-induced chlolophyll accumulation in cotyledons of sunflower seedlings

K.YAMADA, H.MATSUMOTO, KOSEMURA SEIJI

Journal of Plant Growth Regulation 17 ( 4 ) 215-219 1998

Research paper (scientific journal), Joint Work

Isolation and characterization of an auxin-inducible SAUR gene from radish seedlings

T.Anai, N.Kono,KOSEMURA SEIJI

DNA sequence 9 ( 5-6 ) 329-333 1998

Research paper (scientific journal), Joint Work

植物の光屈性

KOSEMURA SEIJI

ファルマシア  ( 2月号 ) 137-141 1998

Research paper (scientific journal), Single Work

Light-induced auxin-inhibiting substance from cabbage（Brassica oleacea L.）shoots

KOSEMURA SEIJI, K.NIWA, H.EMORI

Tetrahedron Letters 38 ( 48 ) 8327-8330 1997.12

Research paper (scientific journal), Joint Work

Isolation and characterization of an auxin-binding protein gene from radish,and its expression in insect cells

T.Anai, R.TAKAI, M.Miyata, KOSEMURA SEIJI

Phygiologia Plantarum 101 ( 3 ) 606-611 1997.11

Research paper (scientific journal), Joint Work

Citreospirosteroid,a new metabolite of a hybrid strain 0011 derived from Penicillium citreo-viride B.IFO 6200 and 4692

KOSEMURA SEIJI,S.UOTSU, S.YAMAMURA

Tetrahedron Letters 38 ( 42 ) 7373-7374 1997.10

Research paper (scientific journal), Joint Work

Comparison of abpl primary sequences from monocotyledonous and dicotyledonous species

T.ANAI, M.MIYATA, KOSEMURA SEIJI

Journal of Plant Physiology 151 ( 4 ) 446-449 1997.10

Research paper (scientific journal), Joint Work

Light-induced auxin-inhibiting substance from sunflower(Helianthus annuus L.）seedling

K.YOKOTANI-TOMITA, J.KATO, KOSEMURA SEIJI

Phytochemistry 46 ( 3 ) 503-506 1997.10

Research paper (scientific journal), Joint Work

Isolation and biosynthetic pathway for citreohybridones from the hybrid strain KO 0031 derived from Penicillium species

KOSEMURA SEIJI, S.YAMAMURA

Tetrahedron Letters 38 ( 35 ) 6221-6224 1997.09

Research paper (scientific journal), Joint Work

Exudation of an allelopathic substance lepidimoide from seeds during germination

K.YAMADA, KOSEMURA SEIJI

Plant Growth Regulation 22 ( 3 ) 189-192 1997.09

Research paper (scientific journal), Joint Work

Citreoazopyrone,a novel metabolite of a hybrid strain KO 0011 derived from Penicillium citreo-viride B.IFO 6200 and 4692

KOSEMURA SEIJI, S.YAMAMURA

Tetrahedron Letters 38 ( 17 ) 3025-3026 1997.04

Research paper (scientific journal), Joint Work

Design of photoaffinity reagents for labeling the auxin receptor in maize

KOSEMURA SEIJI, H.EMORI, S.YAMAMURA

Tetrahedron Letters 38 ( 12 ) 2125-2128 1997.03

Research paper (scientific journal), Joint Work

Inhibitory effect of lepidimoide on senescence in Avena leaf segments

K.MIYAMOTO, J.UEDA, KOSEMURA SEIJI

Journal of Plant Physiology 150 ( 1-2 ) 133-136 1997.01

Research paper (scientific journal), Joint Work

Citreopyrones,new metabolites of two hybrid strains,KO 0092 and KO 0141,derived from the Penicillium species

KOSEMURA SEIJI, S.KOJIMA, S.YAMAMURA

Chemistry Letters  ( 1 ) 33-34 1997

Research paper (scientific journal), Joint Work

Inhibition of abscission of bean petiole explants by lepidimoide

K.MIYAMOTO, J.UEDA, KOSEMURA SEIJI

Journal of Plant Growth Regulation 16 ( 1 ) 7-9 1997

Research paper (scientific journal), Joint Work

Citreohybriddione C,a meroterpenoid of a hybrid strain KO 0031 derived from Penicillium citreo-viride B.IFO 6200 and 4692

KOSEMURA SEIJI, S.MATSUO, S.YAMAMURA

Phytochemistry 43 ( 6 ) 1231-1234 1996.12

Research paper (scientific journal), Joint Work

Synthetic studies on manzamine A：Construction of tricyclic ABC ring subunit 1

S.Li, KOSEMURA SEIJI, S.YAMAMURA

Tetrahedron Letters 37 ( 41 ) 7365-7368 1996.10

Research paper (scientific journal), Joint Work

A new auxin-inhibiting substaance,4-Cl-6,7-dimethoxy-2-benzoxazolinone,from light-grown maize shoots

T.ANAI, H.AIZAWA, N.OHTAKE, KOSEMURA SEIJI

Phytochemistry 42 ( 2 ) 273-275 1996.05

Research paper (scientific journal), Joint Work

Andrastatins A-C,new protein farnesyltransferase inhibitors produced by Penicillium sp.FO-3929.1.Producing strain,fermentation,isolation,and biological activities

S.OMURA, J.INOKOSHI, R.UCHIDA, KOSEMURA SEIJI

Journal of Antibiotics 49 ( 5 ) 414-417 1996.05

Research paper (scientific journal), Joint Work

Structure-activity relationship of lepidimoide and its analogues

K.YAMADA, T.ANAI, KOSEMURA SEIJI

Phytochemistry 41 ( 3 ) 671-673 1996.02

Research paper (scientific journal), Joint Work

Isolation and characterization of 4-chloro-6,7-dimethoxybenzoxazolin-2-one,a new auxin-inhibiting benzoxazolinone from Zea mays

KOSEMURA SEIJI

Chemistry Letters  ( 11 ) 1053-1054 1995.11

Research paper (scientific journal), Single Work

Citreoanthrasteroid,a new metabolite of a hybrid strain KO 0011 derived from Penicillium citreo-viride B.IFO 6200 and 4692

KOSEMURA SEIJI, S.UOTSU, S.YAMAMURA

Tetrahedron Letters 36 ( 41 ) 7481-7482 1995.10

Research paper (scientific journal), Joint Work

植物の光屈性に関する化学的研究

KOSEMURA SEIJI

天然有機化合物討論会講演要旨集/第37回天然有機化合物討論会 37   206-211 1995.09

Research paper (conference, symposium, etc.), Joint Work

Chemical studies on 2,4-dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one in connection with 6-methoxy-2-benzoxazolinone,an auxin-inhibiting substance of Zea mays L.

KOSEMURA SEIJI, T.ANAI

Tetrahedron Letters 35 ( 44 ) 8221-8224 1994.10

Research paper (scientific journal), Joint Work

Synthetic studies on manzamine A：Construction of a Key bicyclic AD ring subunit 1

K.USUI, K.ISHIZUKA, KOSEMURA SEIJI

Tetrahedron Letters 35 ( 44 ) 8217-8220 1994.10

Research paper (scientific journal), Joint Work

Structure-activity relationships of benzoxazolinones with respect to auxin-induced growth and auxin-binding protein

S.SAKODA-HOSHI, KOSEMURA SEIJI

Phytochemistry 37 ( 2 ) 297-300 1994.09

Research paper (scientific journal), Joint Work

Study on the allelopathy of alfalfa(Medicago sativa L.). 2. Isolation and identification of allelopathic substances in alfalfa

K.NAKAHISA, E.TSUZUKI, H.TERAO, KOSEMURA SEIJI

Japanese Journal of Crop Science 63 ( 2 ) 278-284 1994.06

Research paper (scientific journal), Joint Work,  ISSN  0011-1848

Flavocommelin Octaacetate

Y.OHSAWA, S.OHBA, KOSEMURA SEIJI

Acta Cryst. C50 ( Part4 ) 645-648 1994.04

Research paper (scientific journal), Joint Work

Allelopathy of oats.1.Assessment of allelopathic potential of extract of oat shoots and identification of allelochemical

H.KATO-NOGUCHI, KOSEMURA SEIJI

Journal of Chemical Ecology 20 ( 2 ) 309-314 1994.02

Research paper (scientific journal), Joint Work

Biosynthetic studies on citreohybridones,metabolites of a hybrid strain KO 0031 derived from Penicillium citreo-viride B.IFO 6200 and 4692

KOSEMURA SEIJI, K.Albone, T.J.Simpson

J.Chem.Soc., Perkin Trans 1  ( 1 ) 135-138 1994.01

Research paper (scientific journal), Joint Work

Facile synthesis of both linear and angular triquinanes from the tricyclo [5.4.0.0 _1,5_] undec-9-ene-8,11-dione efficiently by a combination of electro-and photochemical reaction

S.MAKI, T.MORI, KOSEMURA SEIJI

Tetrahedron Letters 35 ( 27 ) 4817-4818 1994.01

Research paper (scientific journal), Joint Work

クレス発芽種子から分泌される新規アレロパシー物質レピジモイド

KOSEMURA SEIJI

天然有機化合物討論会講演要旨集/第35回天然有機化学討論会 35   314-320 1993.09

Research paper (conference, symposium, etc.), Joint Work

Facile synthesis of tricyclo [5.4.0.0 _1,5_] undec-9-ene-8,11-diones from phenols with an olefin bearing an electro-attracting group at the side chain

S.MAKI, KOSEMURA SEIJI, S.YAMAMURA, S.OHBA

Tetrahedron Letters 34 ( 38 ) 6083-6086 1993.09

Research paper (scientific journal), Joint Work

A growth inhibitor,R-(-)-3-hydroxy-β-ionone,from light grown shoots of a dwarf cultivar of Phaseolus vulgaris

H.KATO-NOGUCHI, KOSEMURA SEIJI, S.YAMAMURA, K.HASEGAWA

Phytochemistry 33 ( 3 ) 553-555 1993.06

Research paper (scientific journal), Joint Work

Stereospecific synthesis of tricyclo[5.3.1.0 _1,5_] undec-9-ene-8,11-diones by means of electrochemical methodology and their base-catalyzed fragmentation reaction

S.MAKI, K.TOYODA, KOSEMURA SEIJI

Chemistry Letters  ( 6 ) 1059-1062 1993.06

Research paper (scientific journal), Joint Work

Synthesis and absolute configuration of lepidimoide,a high potent allelopathic substance from mucilage of germinated cress seeds

KOSEMURA SEIJI, H.KAKUTA, J.MIZUTANI

Tetrahedron Letters 34 ( 16 ) 2653-2655 1993.04

Research paper (scientific journal), Joint Work

Isolation and structure of asterin,a new haloganated cyclic penta-peptide from Aster tataricus

KOSEMURA SEIJI, T.OGAWA, K.TOTSUKA

Tetrahedron Letters 34 ( 8 ) 1291-1294 1993.02

Research paper (scientific journal), Joint Work

Chemical studies on 4-methylthio-3-butenyl isothiocyanate from roots of Japanese radish (Raphanus sativus L.) in connection with raphanusanins,phototropism-regulating substances of radish hypocotyls

KOSEMURA SEIJI, S.YAMAMURA, K.HASEGAWA

Tetrahedron Letters 34 ( 3 ) 481-484 1993.01

Research paper (scientific journal), Joint Work

Isolation and identification of lepidimoide,a new allelopathic substance from mucilage of germinated cress seeds

K.HASEGAWA, J.MIZUTANI, KOSEMURA SEIJI

Plant Physiology 100 ( 2 ) 1059-1061 1992.10

Research paper (scientific journal), Joint Work

ラチラン及びホルボール型ジテルペンの合成研究

KOSEMURA SEIJI

天然有機化合物討論会講演要旨集/第34回天然有機化合物討論会 34   368-375 1992.09

Joint Work

ダイコン下胚軸の光屈性と制御物質

KOSEMURA SEIJI

天然有機化合物討論会講演要旨集/第34回天然物有機化合物討論会 34   71-78 1992.09

Research paper (conference, symposium, etc.), Joint Work

Isolation and structures of cropapine and cronupapine,new glucosides from Cronura papirio

K.MOCHIZUKI, Y.SHIZURI,KOSEMURA SEIJI

Chemistry Letters  ( 7 ) 1239-1242 1992.07

Research paper (scientific journal), Joint Work

Biosynthesis of citreohybridones,the metabolites of a hybrid strain KO 0031 derived from Penicillium citreo-viride B.IFO 6200 and 4692

KOSEMURA SEIJI, H.MIYATA

Tetrahedron Letters 33 ( 27 ) 3883-3886 1992.06

Research paper (scientific journal), Joint Work

Electrochemical synthesis of a tricyclo [5.4.0.0_1,5_]undec-9-en-8,11-dione and its conversion to a triqinane-type compound

S.MAKI, KOSEMURA SEIJI

Chemistry Letters  ( 4 ) 651-654 1992.04

Research paper (scientific journal), Joint Work

Citreobenzofurans A,B,and C,first isolation of sesquiterpen-type metabolites of a hybrid strain KO 0031 derived from Penicillium citreo-viride B. IFO 6200 and 4692

KOSEMURA SEIJI, H.NAGAMATSU, S.YAMAURA

Bulletin of Chemical Society of Japan 65 ( 3 ) 926-928 1992.03

Research paper (scientific journal), Joint Work

Structure of citreohybridone A

M.KUBOTA, KOSEMURA SEIJI

Acta Cryst. C48 ( Part3 ) 552-554 1992.03

Research paper (scientific journal), Joint Work

Facile syntheses of some trans-hydrazulenes by means of electrochemical methodology coupled with base-catalyzed fragmentation reaction

S.MAKI, N.ASABA, KOSEMURA SEIJI

Tetrahedron Letters 33 ( 29 ) 4169-4172 1992.01

Research paper (scientific journal), Joint Work

An auxin-inhibiting substance from light-grown maize shoots

K.HASEGAWA, S.TOGO, KOSEMURA SEIJI

Phytochemistry 31 ( 11 ) 3673-3676 1992

Research paper (scientific journal), Joint Work

Citreohybridones A and B and related terpenoids,new metabolites of a hybrid strain KO 0031 derived from Penicillium citreo-viride B. IFO 6200 and 4692

KOSEMURA SEIJI, K.MATSUNAGA, S.YAMAMURA

Chemistry Letters  ( 10 ) 1811-1814 1991.10

Research paper (scientific journal), Joint Work

細胞融合の手法による新しいハイブリッド菌株とその新規代謝産物

KOSEMURA SEIJI

天然有機化合物討論会講演要旨集/第33回天然有機化合物討論会 33   589-596 1991.09

Research paper (conference, symposium, etc.), Joint Work

Intramolecular reaction of electrogenerated phenoxy cations with an olefin bearing an electron-releasing group at the side chain

S.MAKI, T.SUZUKI, KOSEMURA SEIJI

Tetrahedron Letters 32 ( 37 ) 4973-4976 1991.09

Research paper (scientific journal), Joint Work

The structures of citreohybridones A and B,novel sesterterpenoid-type metabolites of a hybrid strain KO 0031 derived from Penicillium citreo-viride B. IFO 6200 and 4692

KOSEMURA SEIJI, K.MATSUNAGA

Tetrahedron Letters 32 ( 29 ) 3543-3546 1991.07

Research paper (scientific journal), Joint Work

Diterpenes from Euphorbia helioscopia L.

S.YAMAMURA, Y.SHIZURI, KOSEMURA SEIJI

Phytochemistry 28 ( 12 ) 3421-3436 1989

Research paper (scientific journal), Joint Work

An antitumor morphinane alkaloid,sinococuline,from Cocculus trilobus

H.ITOKAWA, S.TSURUOKA, KOSEMURA SEIJI

Chemical & Pharmaceutical Bulletin 35 ( 4 ) 1660-1662 1987.04

Research paper (scientific journal), Joint Work

Structure and absolute configulation of euphoscopin A p-bromobenzoate and euphornin acetate p-bromobenzoate

S.OHBA, M.ITO, Y.SAITO, KOSEMURA SEIJI

Acta Cryst. C41   487-490 1985.03

Research paper (scientific journal), Joint Work

Isolation and structures of euphohelins,new toxic diterpenes from Euphorbia helioscopia L.

KOSEMURA SEIJI, Y.SHIZURI, S.YAMAMURA

Bulletin of Chemical Society of Japan 58 ( 11 ) 3112-3117 1985

Research paper (scientific journal), Joint Work

Structural and conformational studies on euphornin and related diterpenes

Y.SHIZURI, KOSEMURA SEIJI

Tetrahedron Letters 25 ( 11 ) 1155-1158 1984.11

Research paper (scientific journal), Joint Work

Biomimetic reactions of some macrocyclic diterpenes

Y.SHIZURI, J.OHTSUKA, KOSEMURA SEIJI

Tetrahedron Letters 25 ( 48 ) 5547-5550 1984

Research paper (scientific journal), Joint Work

Biosynthesis of citreothiolactone,citreopyrone and pyrenocin B

Y.SHIZURI, KOSEMURA SEIJI

Tetrahedron Letters 25 ( 15 ) 1583-1584 1984

Research paper (scientific journal), Joint Work

Structure of helioscopinolide A, a novel diterpene

S.OHBA, M.ITO, Y.SAITO, KOSEMURA SEIJI

Acta Cryst. C39   1139-1141 1983.08

Research paper (scientific journal), Joint Work

Structural and conformational studies on euphohelioscopins A and B and related diterpenes

Y.SHIZURI, K.NAITO, KOSEMURA SEIJI

Tetrahedron Letters 24 ( 25 ) 2577-2580 1983

Research paper (scientific journal), Joint Work

Isolation and structures of helioscopinolides

Y.SHIZURI, KOSEMURA SEIJI

Chemistry Letters  ( 1 ) 65-68 1983

Research paper (scientific journal), Joint Work

The synthesis of diphenyl ethers having tyrosine moiety

K.INOUE, KOSEMURA SEIJI

Heterocycles 20 ( 3 ) 397-400 1983

Research paper (scientific journal), Joint Work

The isolation and structures of euphoscopins A and B

S.YAMAMURA, KOSEMURA SEIJI

Tetrahedron Letters 22 ( 52 ) 5315-5318 1981

Research paper (scientific journal), Joint Work