Papers - Kosemura, Seiji
-
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