Search Results - "OKUNAKA, Ryuichi" :: K.UTB vyhledávací portál | TBU Library Retrieval Portal

Total Synthesis of the Antitumor Antibiotic (±)-Fredericamycin A by a Linear Approach

Total Synthesis of the Antitumor Antibiotic (±)-Fredericamycin A by a Linear Approach

by Kita, Yasuyuki, Iio, Kiyosei, Kawaguchi, Ken-ichi, Fukuda, Nobuhisa, Takeda, Yoshifumi, Ueno, Hiroshi, Okunaka, Ryuichi, Higuchi, Kazuhiro, Tsujino, Toshiaki, Fujioka, Hiromichi, Akai, Shuji
Published in Chemistry : a European journal (03.11.2000)

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Journal Article

Strong base-induced intramolecular cycloaddition of homophthalic anhydrides: an efficient synthesis of polycyclic peri-hydroxy aromatic compounds

Strong base-induced intramolecular cycloaddition of homophthalic anhydrides: an efficient synthesis of polycyclic peri-hydroxy aromatic compounds

by Kita, Yasuyuki, Okunaka, Ryuichi, Honda, Takao, Shindo, Miki, Taniguchi, Miyako, Kondo, Maiko, Sasho, Manabu
Published in Journal of organic chemistry (01.01.1991)

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A NEW SYNTHETIC STRATEGY FOR HETEROANTHRACYCLINES - TOTAL SYNTHESIS OF D-RING THIOPHENE ANALOGS OF DAUNOMYCIN

A NEW SYNTHETIC STRATEGY FOR HETEROANTHRACYCLINES - TOTAL SYNTHESIS OF D-RING THIOPHENE ANALOGS OF DAUNOMYCIN

by TAMURA, Y, KIRIHARA, M, SEKIHACHI, J, OKUNAKA, R, MOHRI, S, TSUGOSHI, T, AKAI, S, SASHO, M, KITA, Y
Published in Tetrahedron letters (01.01.1987)

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Journal Article

A Novel Oxidative Intramolecular (4+2)Cycloaddition of Silylene-Protected Dihydroxystyrene Derivatives Leading to peri-Hydroxy Polycyclic Aromatic Compounds: A Synthesis of the ABCD Ring

A Novel Oxidative Intramolecular (4+2)Cycloaddition of Silylene-Protected Dihydroxystyrene Derivatives Leading to peri-Hydroxy Polycyclic Aromatic Compounds: A Synthesis of the ABCD Ring

by KITA, Yasuyuki, OKUNAKA, Ryuichi, HONDA, Takao, KONDO, Maiko, TAMURA, Osamu, TAMURA, Yasumitsu
Published in Chemical & pharmaceutical bulletin (1991)

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Journal Article

A NOVEL INTRAMOLECULAR [4+2]CYCLOADDITION OF SILYLENE PROTECTING DIHYDROXYSTYRENE DERIVATIVES - A VERSATILE SYNTHESIS OF LINEARLY CONDENSED PERI-HYDROXY AROMATIC-COMPOUNDS

A NOVEL INTRAMOLECULAR [4+2]CYCLOADDITION OF SILYLENE PROTECTING DIHYDROXYSTYRENE DERIVATIVES - A VERSATILE SYNTHESIS OF LINEARLY CONDENSED PERI-HYDROXY AROMATIC-COMPOUNDS

by KITA, Y, OKUNAKA, R, HONDA, T, SHINDO, M, TAMURA, O
Published in Tetrahedron letters (01.01.1989)

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Journal Article

A Novel Oxidative Intramolecular [4+2]Cycloaddition of Silylene-Protected Dihydroxystyrene Derivatives Leading to peri-Hydroxy Polycyclic Aromatic Compounds

A Novel Oxidative Intramolecular [4+2]Cycloaddition of Silylene-Protected Dihydroxystyrene Derivatives Leading to peri-Hydroxy Polycyclic Aromatic Compounds

by KITA, Yasuyuki, OKUNAKA, Ryuichi, HONDA, Takao, KONDO, Maiko, TAMURA, Osamu, TAMURA, Yasumitsu
Published in Chemical & pharmaceutical bulletin (01.08.1991)

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Journal Article

Strong Base-Induced Cycloaddition Reaction of Homophthalic Anhydride with Aldehydes

Strong Base-Induced Cycloaddition Reaction of Homophthalic Anhydride with Aldehydes

by OKUNAKA, Ryuichi, HONDA, Takao, KONDO, Maiko, TAMURA, Yasumitsu, KITA, Yasuyuki
Published in Chemical & pharmaceutical bulletin (1991)

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Journal Article

Synthetic Anthracyclines

Synthetic Anthracyclines

by KITA, Yasuyuki, KIRIHARA, Masayuki, SASHO, Manabu, FUJII, Yuji, SEKIHACHI, Jun-ichi, OKUNAKA, Ryuichi, TAMURA, Yasumitsu, SHIMOOKA, Kino-o
Published in Chemical & pharmaceutical bulletin (01.03.1990)

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Journal Article

METHOD FOR PRODUCING PHENYLTETRAZOLE DERIVATIVE

METHOD FOR PRODUCING PHENYLTETRAZOLE DERIVATIVE

by OKUNAKA RYUICHI, HAMAGAKI TAKUYA, YAMAMOTO TOMOMI, UMEMOTO HIDEAKI, TSUGOSHI KOKI, MORI TOSHIHARU
Year of Publication 13.12.2007

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Patent

Synthetic Anthracyclines

Synthetic Anthracyclines

by KITA, Yasuyuki, KIRIHARA, Masayuki, FUJII, Yuji, OKUNAKA, Ryuichi, AKAI, Shuji, MAEDA, Hiroshi, TAMURA, Yasumitsu, SHIMOOKA, Kin-o, OHISHI, Hirofumi, ISHIDA, Toshimasa
Published in Chemical & pharmaceutical bulletin (01.04.1991)

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Journal Article

Synthetic anthracyclines: regiospecific total synthesis of D-ring thiophene analogues of daunomycin

Synthetic anthracyclines: regiospecific total synthesis of D-ring thiophene analogues of daunomycin

by Kita, Y, Kirihara, M, Sekihachi, J, Okunaka, R, Sasho, M, Mohri, S, Honda, T, Akai, S, Tamura, Y, Shimooka, K
Published in Chemical & pharmaceutical bulletin (01.07.1990)

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Journal Article

Synthetic Anthracyclines

Synthetic Anthracyclines

by KITA, Yasuyuki, KIRIHARA, Masayuki, SEKIHACHI, Jun-ichi, OKUNAKA, Ryuichi, SASHO, Manabu, MOHRI, Shin-ichiro, HONDA, Takao, AKAI, Shuji, TAMURA, Yasumitsu, SHIMOOKA, Kin-o
Published in Chemical & pharmaceutical bulletin (01.07.1990)

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Journal Article

A Novel Oxidative Intramolecular [4+2]Cycloaddition of Silylene-Protected Dihydroxystyrene Derivatives Leading to peri-Hydroxy Polycyclic Aromatic Compounds : A Synthesis of the ABCD Ring System of Frederucamycin A

A Novel Oxidative Intramolecular [4+2]Cycloaddition of Silylene-Protected Dihydroxystyrene Derivatives Leading to peri-Hydroxy Polycyclic Aromatic Compounds : A Synthesis of the ABCD Ring System of Frederucamycin A

by KITA, Yasuyuki, OKUNAKA, Ryuichi, HONDA, Takao, KONDO, Maiko, TAMURA, Osamu, TAMURA, Yasumitsu
Published in Chemical and Pharmaceutical Bulletin (25.08.1991)

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Journal Article

Synthetic Anthracyclines : Total Synthesis of D-Ring Pyridine and Pyrazine Analogues of 11-Deoxydaunomycin

Synthetic Anthracyclines : Total Synthesis of D-Ring Pyridine and Pyrazine Analogues of 11-Deoxydaunomycin

by KITA, Yasuyuki, KIRIHARA, Masayuki, FUJII, Yuji, OKUNAKA, Ryuichi, AKAI, Shuji, MAEDA, Hiroshi, TAMURA, Yasumitsu, SHIMOOKA, Kin-o, OHISHI, Hirofumi, ISHIDA, Toshimasa
Published in Chemical & pharmaceutical bulletin (01.01.1991)

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Journal Article

Synthetic Anthracyclines : Regiospecific Total Synthesis of a D-Ring Indole Analogue of Daunomycin

Synthetic Anthracyclines : Regiospecific Total Synthesis of a D-Ring Indole Analogue of Daunomycin

by KITA, Yasuyuki, KIRIHARA, Masayuki, SASHO, Manabu, FUJII, Yuji, SEKIHACHI, Jun-ichi, OKUNAKA, Ryuichi, TAMURA, Yasumitsu, SHIMOOKA, Kino-o
Published in Chemical & pharmaceutical bulletin (01.03.1990)

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Journal Article

Synthetic Anthracyclines : Regiospecific Total Synthesis so D-Ring Thiophene Analogues of Daunomycin

Synthetic Anthracyclines : Regiospecific Total Synthesis so D-Ring Thiophene Analogues of Daunomycin

by KITA, Yasuyuki, KIRIHARA, Masayuki, SEKIHACHI, Jun-ichi, OKUNAKA, Ryuichi, SASHO, Manabu, MOHRI, Shin-ichiro, HONDA, Takao, AKAI, Shuji, TAMURA, Yasumitsu, SHIMOOKA, Kin-o
Published in Chemical and Pharmaceutical Bulletin (25.07.1990)

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Journal Article

Hypervalent iodine induced cyclisation of α-(aryl)alkyl β-dicarbonyl derivatives

Hypervalent iodine induced cyclisation of α-(aryl)alkyl β-dicarbonyl derivatives

by KITA, Y, OKUNAKA, R, KONDO, M, TOHMA, H, INAGAKI, M, HATANAKA, K
Published in Journal of the Chemical Society. Chemical communications (1992)

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Journal Article

SYNTHETIC ANTHRACYCLINES - REGIOSPECIFIC TOTAL SYNTHESIS OF A D-RING PYRIDINE ANALOG OF 11-DEOXYDAUNOMYCIN

SYNTHETIC ANTHRACYCLINES - REGIOSPECIFIC TOTAL SYNTHESIS OF A D-RING PYRIDINE ANALOG OF 11-DEOXYDAUNOMYCIN

by KITA, Y, KIRIHARA, M, FUJII, Y, OKUNAKA, R, AKAI, S, MAEDA, H, TAMURA, Y
Published in Journal of the Chemical Society. Chemical communications (1990)

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Journal Article

Total synthesis of a D-ring indole analogue of daunomycin

Total synthesis of a D-ring indole analogue of daunomycin

by TAMURA, Y, KIRIHARA, M, SASHO, M, AKAI, S, SEKIHACHI, J.-I, OKUNAKA, R, KITA, Y
Published in Journal of the Chemical Society. Chemical communications (1987)

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