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1

ChemInform Abstract: Process Research and Protecting Groups: Practical Synthesis of Substituted Pyrazine N-Oxide Derivatives

Katsuhide Matoba, Hitoshi Tone, Koichi Shinhama, Fumitaka Goro, Masayuki Saka, Jun-Ichi Minamikawa

Journal:

Year:

1999

File:

PDF, 27 KB

1999

2

ChemInform Abstract: A Novel Thiolate Mediated Cyclization to OPC-15161.

Koichi Shinhama, Katsuhide Matoba, Yasuhiro Torisawa, Jun-ichi Minamikawa

Journal:

Year:

2001

File:

PDF, 28 KB

2001

3

ChemInform Abstract: Progress in the Synthesis of OPC-15161: Easy Access to Dioxygenated Pyrazine N-Oxide Structure.

Hitoshi Tone, Katsuhide Matoba, Fumitaka Goto, Yasuhiro Torisawa, Takao Nishi, Jun-ichi Minamikawa

Journal:

Year:

2001

File:

PDF, 31 KB

2001

4

A Novel Thiolate Mediated Cyclization to OPC-15161

Koichi Shinhama, Katsuhide Matoba, Yasuhiro Torisawa, Jun-ichi Minamikawa

Journal:

Year:

2000

Language:

english

File:

PDF, 135 KB

english, 2000

5

Synthesis of diazasteroids II. Synthesis of 8,11-diaza-2,3-dimethoxygona-1, 3,5 (10), 9 (11)-tetraene

Masanori Nagata, Masami Goi, Katsuhide Matoba, Takao Yamazaki, Raymond N. Castle

Journal:

Journal of Heterocyclic Chemistry

Year:

1973

File:

PDF, 379 KB

1973

6

Synthesis in the diazasteroid group. I. A new synthesis of 8,13-diaza-2,3-dimethoxygona-1,3,5(10)triene and its mercuric acetate oxidation

Katsuhide Matoba, Kazumasa Isomura, Masanori Nagata, Takao Yamazaki, Raymond N. Castle

Journal:

Journal of Heterocyclic Chemistry

Year:

1972

Language:

english

File:

PDF, 361 KB

english, 1972

7

Synthesis in the diazasteroid group. III . Syntheses of the 8,16- and 8,17-diazasteroid systems

Takao Yamazaki, Katsuhide Matoba, Kazumasa Isomura, Masanori Nagata, Raymond N. Castle

Journal:

Journal of Heterocyclic Chemistry

Year:

1974

File:

PDF, 276 KB

1974

8

Synthesis in the diazasteroid group. V. Synthesis of the 9,14-diazasteroid system

Takao Yamazaki, Katsuhide Matoba, Masao Yajima, Masanori Nagata, Raymond N. Castle

Journal:

Journal of Heterocyclic Chemistry

Year:

1975

File:

PDF, 462 KB

1975

9

Synthesis in the diazasteroid group VI. A synthesis of 2,3-dimethoxy-15-methyl-8,15-diazaestra-1,3,5(10)triene

Takao Yamazaki, Masanori Nagata, Katsuhide Matoba, Hiroki Takahata, Raymond N. Castle

Journal:

Journal of Heterocyclic Chemistry

Year:

1977

File:

PDF, 296 KB

1977

10

The reactions of ethyl 3,4-dihydro-4-quinazolylacetate and its derivatives with cyclopentanone. An attempt at the synthesis of the 6,8-diazasteroid system VII

Takao Yamazaki, Katsuhide Matoba, Atsuko Shirokawa, Raymond N. Castle

Journal:

Journal of Heterocyclic Chemistry

Year:

1978

File:

PDF, 406 KB

1978

11

Synthesis in the diazasteroid group VIII. Synthetic studies of the 14,17-diazasteroid system

Takao Yamazaki, Katsuhide Matoba, Toshio Imai, Raymond N. Castle

Journal:

Journal of Heterocyclic Chemistry

Year:

1979

File:

PDF, 531 KB

1979

12

Progress in the Synthesis of OPC-15161: Easy Access to Dioxygenated Pyrazine N -Oxide Structure

Tone, Hitoshi, Matoba, Katsuhide, Goto, Fumitaka, Torisawa, Yasuhiro, Nishi, Takao, Minamikawa, Jun-ichi

Journal:

Organic Process Research & Development

Year:

2000

Language:

english

File:

PDF, 261 KB

english, 2000

13

Ketene-S,N-acetals as Synthetic Intermediates for Heterocycles. A New Synthesis of 4-Arylaminopyrimidines

Takahata, Hiroki, Nakajima, Tomoko, Matoba, Katsuhide, Yamazaki, Takao

Journal:

Synthetic Communications

Year:

1984

Language:

english

File:

PDF, 241 KB

english, 1984

14

Studies on the Alkaloids of Menispermaceous Plants. CCLIX. Alkaloids of Menispermum dauricum DC. (Suppl. 7). Structures of Acutumine and Acutumidine, Chlorine-Containing Alkaloids with a Novel Skeleton

TOMITA, MASAO, OKAMOTO, YASUKO, KIKUCHI, TOHRU, OSAKI, KENJI, NISHIKAWA, MASAO, KAMIYA, KAZUHIDE, SASAKI, YOSHIO, MATOBA, KATSUHIDE, GOTO, KAKUJI

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1971

File:

PDF, 2.29 MB

1971

15

Reduction of O-alkylated imides.

MATOBA, KATSUHIDE, YAMAZAKI, TAKAO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1974

File:

PDF, 523 KB

1974

16

Synthesis in the diazasteroid group. IV. A synthesis of 2,3-dimethoxy-8,14-diaza-15-oxo-gona-1,3,5(10)-triene.

NAGATA, MASANORI, MIYAKOSHI, SUMIKO, TAKEZAWA, HIROSHI, MATOBA, KATSUHIDE, YAMAZAKI, TAKAO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1975

File:

PDF, 766 KB

1975

17

Synthetic studies of azaflavonoids. I. Studies on the synthesis of 5-azaflavone.

YAMAZAKI, TAKAO, MATOBA, KATSUHIDE, MATSUZAWA, YUKO, KITAGAWA, MASAHISA

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1977

File:

PDF, 639 KB

1977

18

Acid-catalyzed cyclization of chalcones derived from various nitrogenous heteroaromatic compounds.

MATOBA, KATSUHIDE, ITOH, KENICHI, KONDO, KAKUYA, YAMAZAKI, TAKAO, NAGATA, MASANORI

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1981

File:

PDF, 1.00 MB

1981

19

A facile synthesis of 2-methoxy-4,4-dimethyl-2,5-cyclohexadienone via 5,5-dimethyl-2-nitro-1,3-cyclohexadienol.

Matoba, Katsuhide, Yamazaki, Takao

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1982

File:

PDF, 326 KB

1982

20

Synthesis in the diazasteroid group. XIX. Synthesis of the 9,13-diazasteroid system.

MATOBA, KATSUHIDE, SHIBATA, MIHOKO, YAMAZAKI, TAKAO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1982

File:

PDF, 640 KB

1982

21

Synthesis in the diazasteroid group. XVIII. Syntheses of the 9,17-diazasteroid system.

MATOBA, KATSUHIDE, FUKUSHIMA, AKIKO, TAKAHATA, HIROKI, HIRAI, YOSHIRO, YAMAZAKI, TAKAO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1982

File:

PDF, 905 KB

1982

22

Nitration of 2-cyclohexenone derivatives and some reactions of the products.

MATOBA, KATSUHIDE, MORITA, TAKASHI, YAMAZAKI, TAKAO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1983

File:

PDF, 865 KB

1983

23

Syntheses of vitamin D analogues. I.

Matoba, Katsuhide, Kondo, Kakuya, Yamazaki, Takao

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1982

File:

PDF, 394 KB

1982

24

An easy synthesis of monomethyl malonate derivatives.

Matoba, Katsuhide, Yamazaki, Takao

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1983

File:

PDF, 318 KB

1983

25

Chemistry of 2-methoxy-2,5-cyclohexadienones. III. Syntheses of 2-methoxy-4,4-diphenyl-2,5-cyclohexadienone and 4-dichloromethyl-2-methoxy-4-methyl-2,5-cyclohexadienone.

MATOBA, KATSUHIDE, KAWAGOSHI, FUJIKO, YAMAZAKI, TAKAO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1984

File:

PDF, 650 KB

1984

26

Chemistry of 2-methoxy-2,5-cyclohexadienones. II. Oxidation of 2-methoxy-4,4-dimethyl-2,5-cyclohexadienone.

MATOBA, KATSUHIDE, KARIBE, NORIO, YAMAZAKI, TAKAO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1984

File:

PDF, 810 KB

1984

27

Structural modification of bioactive compounds. II. Syntheses of aminophosphonoic acids.

MATOBA, KATSUHIDE, YONEMOTO, HIROYO, FUKUI, MASAKO, YAMAZAKI, TAKAO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1984

File:

PDF, 853 KB

1984

28

Structural modification of bioactive compounds. I. Syntheses of vitamin D analogues I.

MATOBA, KATSUHIDE, KONDO, KAKUYA, YAMAZAKI, TAKAO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1984

File:

PDF, 801 KB

1984

29

Reduction of vinylogous thioesters with lithium aluminum hydride. I. Reduction of .BETA.-phenylthio-.ALPHA.,.BETA.-unsaturated cyclic ketones.

MATOBA, KATSUHIDE, TOKIZAWA, MINORU, MORITA, TAKASHI, YAMAZAKI, TAKAO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1985

File:

PDF, 583 KB

1985

30

Chemistry of 2-methoxy-2,5-cyclohexadienone. IV. Photochemistry of 2-methoxy-4,4-diphenyl-2,5-cyclohexadienone and 4-dichloromethyl-2-methoxy-4-methyl-2,5-cyclohexadienone.

MATOBA, KATSUHIDE, KAWAGOSHI, FUJIKO, TANABE, MINAKO, YAMAZAKI, TAKAO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1985

File:

PDF, 746 KB

1985

31

Reduction of vinylogous thioesters with lithium aluminum hydride. II. Reduction of 2-methyl-3-phenylthio-5-substituted-2-cyclopentenones.

MATOBA, KATSUHIDE, MORITA, TAKASHI, YAMAZAKI, TAKAO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1985

File:

PDF, 606 KB

1985

32

Reaction of aliphatic dicarboxylic acids with acyl chlorides in the presence of aluminum chloride.

MATOBA, KATSUHIDE, TACHI, MASASHI, ITOOKA, TOSHIYUKI, YAMAZAKI, TAKAO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1986

File:

PDF, 810 KB

1986

33

Synthesis in the diazasteroid group. XX Synthesis of the 5,14-diazasteroid system.

MATOBA, KATSUHIDE, HIRAI, YOSHIRO, TOKIZAWA, MINORU, WAKUI, YUKO, NAGATA, MASANORI, YAMAZAKI, TAKAO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1987

Language:

english

File:

PDF, 1.02 MB

english, 1987

34

Chemistry of 2-methoxy-2,5-cyclohexadienone. V. Photochemical rearrangement and oxidation of 2-methoxy-4-methyl-4-phenyl-2-cyclohexenone and 2-methoxy-4-methyl-4-phenyl-2,5-cyclohexadienone.

MATOBA, KATSUHIDE, NODA, HIROKO, YAMAZAKI, TAKAO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1987

Language:

english

File:

PDF, 1.33 MB

english, 1987

35

Favorskii reaction of 2-bromobicyclo(3.3.1)nonan-3-one.

ITOOKA, TOSHIYUKI, MATOBA, KATSUHIDE, YAMAZAKI, TAKAO, MURAOKA, OSAMU, MOMOSE, TAKEFUMI

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1986

File:

PDF, 666 KB

1986

36

An efficient and practical synthesis of bicyclo[3.3.1]nonane-2,4-diones.

YAMAZAKI, TAKAO, MATOBA, KATSUHIDE, ITOOKA, TOSHIYUKI, CHINTANI, MASARU, MOMOSE, TAKEFUMI, MURAOKA, OSAMU

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1987

Language:

english

File:

PDF, 1.14 MB

english, 1987

37

1,4,7-Dioxaselenocines from 1,3-oxaselenoles.

MATOBA, KATSUHIDE, YAMAZAKI, TAKAO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1987

Language:

english

File:

PDF, 761 KB

english, 1987

38

Reaction of vinylogous esters with grignard reagent.

MATOBA, KATSUHIDE, MAEDA, TAKASHI, NAGASE, KEIKO, YAMAZAKI, TAKAO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1976

File:

PDF, 608 KB

1976

39

Studies on O-alkylated imides. II. Some reactions of O-ethyl succinimide and O-ethyl 4,4-dimethyl-glutarimide.

YAMAZAKI, TAKAO, MATOBA, KATSUHIDE, IMOTO, SUGUKI, TERASHIMA, MASANAO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1976

File:

PDF, 1022 KB

1976

40

Synthesis in the diazasteroid group. XIV. Synthesis of the 13,15-diazasteroid system.

MATOBA, KATSUHIDE, IMAI, TOSHIO, NISHINO, YOSHIE, TAKAHATA, HIROKI, HIRAI, YOSHIRO, YAMAZAKI, TAKAO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1980

File:

PDF, 574 KB

1980

41

Chemistry of 2-methoxy-2,5-cyclohexadienones. I. Photochemistry of 2-methoxy-4,4-dimethyl-2,5-cyclohexadienone.

MATOBA, KATSUHIDE, KARIBE, NORIO, YAMAZAKI, TAKAO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1982

File:

PDF, 666 KB

1982

42

Synthetic studies of azaflavonoids. II. Synthesis of 6-azaflavonoids.

MATOBA, KATSUHIDE, FUKUSHIMA, AKIKO, ARAI, HIROSHI, YAMAZAKI, TAKAO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1979

File:

PDF, 680 KB

1979

43

Michael addition of (1H)pyrrole.

MATOBA, KATSUHIDE, YAMAZAKI, TAKAO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1982

File:

PDF, 547 KB

1982

44

Synthesis in the diazasteroid group. XVII. Syntheses of the 4,11-diazasteroid system.

MATOBA, KATSUHIDE, ISHIGAMI, EIICHI, TAKAHATA, HIROKI, YAMAZAKI, TAKAO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1981

File:

PDF, 734 KB

1981

45

Acid-catalyzed cyclization of chalcones derived from various nitrogenous heteroaromatic compounds. II.

MATOBA, KATSUHIDE, MIYATA, YUKIKO, YAMAZAKI, TAKAO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1983

File:

PDF, 696 KB

1983

46

Reduction of Some Vinylogous Esters with Lithium Aluminum Hydride. III

MATOBA, KATSUHIDE, YAMAZAKI, TAKAO

Journal:

YAKUGAKU ZASSHI

Year:

1970

File:

PDF, 571 KB

1970

47

Reduction of Some Vinylogous Esters with Lithium Aluminium Hydride. I

MATOBA, KATSUHIDE, YOSHII, KATSUMI, YOSHIOKA, MITSUKO, YAMAZAKI, TAKAO, SASAKI, YOSHIO

Journal:

YAKUGAKU ZASSHI

Year:

1969

File:

PDF, 475 KB

1969

48

Reduction of Some Vinylogous Esters with Lithium Aluminium Hydride. II

MATOBA, KATSUHIDE, YOSHII, KATSUMI, YAMAZAKI, TAKAO, SASAKI, YOSHIO

Journal:

YAKUGAKU ZASSHI

Year:

1969

File:

PDF, 736 KB

1969

49

Reduction of Some Vinylogous Esters with Lithium Aluminum Hydride. IV

MATOBA, KATSUHIDE, YAMAZAKI, TAKAO

Journal:

YAKUGAKU ZASSHI

Year:

1972

File:

PDF, 842 KB

1972

50

Reduction of Some Vinylogous Esters with Lithium Aluminum Hydride. VI

MATOBA, KATSUHIDE, YAMAZAKI, TAKAO

Journal:

YAKUGAKU ZASSHI

Year:

1973

File:

PDF, 939 KB

1973