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1

Organogermanium compounds: First synthesis of bioactive trithiagermatranes substituted with novel functional groups

Norihiro Kakimoto, Katsuyuki Sato, Masanao Matsui, Toyozo Takada, Mitsuo Akiba

Journal:

Journal of Organometallic Chemistry

Year:

1986

Language:

english

File:

PDF, 190 KB

english, 1986

2

Ring-transformation of 1,2,4-oxadiazines. Raney nickel hydrogenation of Z-3-aryl-5,6-dihydro-5-(substituted)methylene-4H-1,2,4-oxadiazine derivatives

Katsumi Tabei, Etsuko Kawashima, Toyozo Takada, Tetsuzo Kato

Journal:

Journal of Heterocyclic Chemistry

Year:

1985

File:

PDF, 323 KB

1985

3

Hydrogenolysis of the CO bond of the 1,2,4-oxadiazine ring. Adams platinum hydrogenation of 3-aryl-5,6-dihydro-5-(substituted)-methylene-4H-1,2,4-oxadiazine derivatives

Etsuko Kawashima, Toyozo Takada, Katsumi Tabei, Tetsuzo Kato

Journal:

Journal of Heterocyclic Chemistry

Year:

1985

File:

PDF, 249 KB

1985

4

A convenient photosynthesis of aziridinopyrrolo[1,2-a]benz[f]indoloquinone and heterocyclic quinones as model compounds of mitomycins by a one-pot reaction

Akiba, Mitsuo, Kosugi, Yoshiyuki, Okuyama, Masao, Takada, Toyozo

Journal:

Journal of Organic Chemistry

Year:

1978

Language:

english

File:

PDF, 250 KB

english, 1978

5

Reactions of acylaminoquinone tosylhydrazones. 4. A new synthesis of pyrrolo[1,2-a]indoloquinone and related compounds via benzoxazoline by thermolysis and photolysis

Akiba, Mitsuo, Kosugi, Yoshiyuki, Takada, Toyozo

Journal:

Journal of Organic Chemistry

Year:

1978

Language:

english

File:

PDF, 523 KB

english, 1978

6

A convenient synthesis of 7-methoxymitosene by the photolysis of aminobenzoquinones

Akiba, Mitsuo, Ikuta, Satoshi, Takada, Toyozo

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1983

Language:

english

File:

PDF, 147 KB

english, 1983

7

Mass Spectrometric Evidence for Formation of the 2-Carbonyl-2H-indole Intermadiate

Akiba, Mitsuo, Maejima, Takanobu, Takada, Toyozo, Shida, Yasuo

Journal:

Year:

1989

Language:

english

File:

PDF, 91 KB

english, 1989

8

Photolysis of Amino-substituted 1,4-Naphthoquinones. A Novel Synthesis of Heterocyclic Quinones

Akiba, Mitsuo, Kosugi, Yoshiyuki, Okuyama, Masao, Takada, Toyozo

Journal:

Year:

1977

Language:

english

File:

PDF, 139 KB

english, 1977

9

Reaction of Benzoquinones with Cyclic Amines; 1H- and 13C-Nmr Spectra of Amine-adducts

Akiba, Mitsuo, Nagaoka, Keiko, Takigawa, Masazumi, Takada, Toyozo

Journal:

Year:

1989

Language:

english

File:

PDF, 173 KB

english, 1989

10

Organogermanium Compounds: Synthesis, Structure, and Properties of Masked-carboxyethylgermanium Sesquioxide (GE-132) and Related Compounds with One Triethanolamine Component

Akiba, Mitsuo, Kakimoto, Norihiko, Sato, Katsuyuki, Takada, Toyozo

Journal:

Year:

1987

Language:

english

File:

PDF, 105 KB

english, 1987

11

Synthesis of 1H-Pyrrolo [1, 2-α] indole Derivatives. III. Synthesis of 2, 3-Dihydro-7-hydroxy-6, 9-dimethyl-5, 8-dioxo-1H-pyrrolo [1, 2-α] indole

TAKADA, TOYOZO, AKIBA, MITSUO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1972

File:

PDF, 842 KB

1972

12

Synthesis of 1H-Pyrrolo [1, 2-a] indole Derivatives. I. Synthesis of 6H-lsoindolo [2, 1-a] indoles by the Harley-Mason Method

TAKADA, TOYOZO, OHKI, SADAO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1971

Language:

english

File:

PDF, 644 KB

english, 1971

13

Synthesis of 1H-Pyrrolo [1, 2-a] indole Derivatives. II. Synthesis of 7-Nitro-2, 3, 9, 9a-tetrahydro-1H-pyrrolo [1, 2-a] indoles

TAKADA, TOYOZO, KUNUGI, SACHIKO, OHKI, SADAO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1971

Language:

english

File:

PDF, 1.46 MB

english, 1971

14

Reactions of acyl-aminoquinone tosylhydrazones. II. A simple synthesis of 5-substituted indazoloquinones.

AKIBA, MITSUO, KOSUGI, YOSHIYUKI, TAKADA, TOYOZO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1976

File:

PDF, 699 KB

1976

15

Reactions of acyl-aminoquinone tosylhydrazones. I. A new synthesis of pyrrolo[1,2-a]indoloquinones and related compounds.

TAKADA, TOYOZO, KOSUGI, YOSHIYUKI, AKIBA, MITSUO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1977

File:

PDF, 780 KB

1977

16

Reactions of acyl-aminoquinone tosylhydrazones. III. A simple synthesis of 7-substituted pyrrolo[1,2-a]indoloquinones and related compounds.

TAKADA, TOYOZO, KOSUGI, YOSHIYUKI, AKIBA, MITSUO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1977

File:

PDF, 656 KB

1977

17

Cyclization of O-acetoacetylbenzamide oxime derivatives.

TABEI, KATSUMI, KAWASHIMA, ETSUKO, TAKADA, TOYOZO, KATO, TETSUZO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1982

File:

PDF, 561 KB

1982

18

Reaction of .GAMMA.-bromoacetoacetyl compounds with benzamide oxime derivatives: Synthesis of 4H-1,2,4-oxadiazine derivatives.

TABEI, KATSUMI, KAWASHIMA, ETSUKO, TAKADA, TOYOZO, KATO, TETSUZO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1982

File:

PDF, 703 KB

1982

19

Ring-Transformation of 1,2,4-Oxadiazine Derivatives into 4-Hydroxypyrimidine Derivatives: Catalystic Hydrogenation of 3-Aryl-5-ethoxycarbonylmethelene-5,6-dihydro-4H-1,2,4-oxadiazine Derivatives

Tabei, Katsumi, Kawashima, Estuko, Takada, Toyozo, Kato, Tetsuzo

Journal:

Year:

1982

Language:

english

File:

PDF, 132 KB

english, 1982

20

An Attempt to Synthesize dl-Cularine by the Decomposition of 2-(1, 2, 3, 4-Tetrahydro-7-methoxy-2-methyl-8-isoquinolinoxy)-4, 5-dimethoxy-benzaldehyde p-toluenesulphonylhydrazone under Alkaline Condition

ISHIWATA, SABURO, TAKADA, TOYOZO, NAGASAKA, TETSUO

Journal:

YAKUGAKU ZASSHI

Year:

1970

File:

PDF, 421 KB

1970

21

Studies on the Syntheses of Isoquinoline Derivatives. III

Ishiwata, Saburo, Suzuki, Kiichi, Takada, Toyozo

Journal:

YAKUGAKU ZASSHI

Year:

1950

File:

PDF, 450 KB

1950

22

Chloromethylation of Methoxybenzaldehydes. I

Ishiwata, Saburo, Takada, Toyozo

Journal:

YAKUGAKU ZASSHI

Year:

1951

File:

PDF, 526 KB

1951

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