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1

Alkaloids of Thermopsis Lupinoides

Shigeru Ohmiya, Hirotaka Otomasu, Joju Haginiwa, Isamu Murakoshi

Journal:

Year:

1984

Language:

english

File:

PDF, 237 KB

english, 1984

2

Spiro heterocyclic compounds. VI. Synthesis of spiro(imidazolidine-4,1'-isoindoline) and related compounds.

TAHARA, SACHIYO, SHIGETSUNA, MARI, OTOMASU, HIROTAKA

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1982

File:

PDF, 710 KB

1982

3

(−)-(trans-4′-hydroxycinnamoyl)lupinine. A new alkaloid in Lupinus seedlings

Isamu Murakoshi, Kaeko Sugimoto, Joju Haginiwa, Shigeru Ohmiya, Hirotaka Otomasu

Journal:

Year:

1975

Language:

english

File:

PDF, 207 KB

english, 1975

4

(−)-(Trans-4′-rhamnosyloxycinnamyl) lupinine, a new lupin alkaloid in Lupinus luteus

Isamu Murakoshi, Fusako Kakegawa, Kazuo Toriizuka, Joju Haginiwa, Shigeru Ohmiya, Hirotaka Otomasu

Journal:

Year:

1977

Language:

english

File:

PDF, 212 KB

english, 1977

5

Two cage-type lupin alkaloids from Sophora franchetiana

Shigeru Ohmiya, Kimio Higashiyama, Hirotaka Otomasu, Joju Haginiwa, Isamu Murakoshi

Journal:

Year:

1981

Language:

english

File:

PDF, 331 KB

english, 1981

6

(−)-N-ethylcytisine, a lupin alkaloid from the flowers of Echinosophora koreensis

Isamu Murakoshi, Masanao Watanabe, Joju Haginiwa, Shigeru Ohmiya, Hirotaka Otomasu

Journal:

Year:

1982

Language:

english

File:

PDF, 178 KB

english, 1982

7

Lupin alkaloids from Echinosophora koreensis

Isamu Murakoshi, Eiji Kidoguchi, Megumi Kubota, Joju Haginiwa, Shigeru Ohmiya, Hirotaka Otomasu

Journal:

Year:

1982

Language:

english

File:

PDF, 330 KB

english, 1982

8

Isokuraramine and (−)-7,11-dehydromatrine, lupin alkaloids from flowers of Sophora flavescens

Isamu Murakoshi, Eiji Kidoguchi, Joju Haginiwa, Shigeru Ohmiya, Kimio Higashiyama, Hirotaka Otomasu

Journal:

Year:

1982

Language:

english

File:

PDF, 520 KB

english, 1982

9

Lupin alkaloids from the seeds of Thermopsis lupinoides

Kazuki Saito, Satoshi Takamatsu, Shigeru Ohmiya, Hirotaka Otomasu, Masaho Yasuda, Yoshihiro Kano, Isamu Murakoshi

Journal:

Year:

1988

Language:

english

File:

PDF, 180 KB

english, 1988

10

Absolute configuration of (+)-5,6-dehydrolupanine, a key intermediate in biosynthesis of lupin alkaloids

Kazuki Saito, Satoshi Takamatsu, Toshikazu Sekine, Fumio Ikegami, Shigeru Ohmiya, Hajime Kubo, Hirotaka Otomasu, Isamu Murakoshi

Journal:

Year:

1989

Language:

english

File:

PDF, 224 KB

english, 1989

11

Glycosidic alkaloids from Lupinus hirsutus

Satoshi Takamatsu, Kazuki Saito, Toshikazu Sekine, Shigeru Ohmiya, Hajime Kubo, Hirotaka Otomasu, Isamu Murakoshi

Journal:

Year:

1990

Language:

english

File:

PDF, 426 KB

english, 1990

12

A novel total synthesis of elaeocarpus alkaloids

Hirotaka Otomasu, Noriyuki Takatsu, Toshio Honda, Tetsuju Kametani

Journal:

Year:

1982

Language:

english

File:

PDF, 325 KB

english, 1982

13

Lupin alkaloids from flowers of Echinosophora koreensis

Isamu Murakoshi, Masanao Watanabe, Tomoyo Okuda, Eiji Kidoguchi, Joju Haginiwa, Shigeru Ohmiya, Hirotaka Otomasu

Journal:

Year:

1985

Language:

english

File:

PDF, 229 KB

english, 1985

14

(+)-11-oxocytisine, a lupin alkaloid from leaves of sophora secundiflora

Isamu Murakoshi, Hajime Kubo, Mohammad Ikram, Mohammad Israr, Nusrat Shafi, Shigeru Ohmiya, Hirotaka Otomasu

Journal:

Year:

1986

Language:

english

File:

PDF, 302 KB

english, 1986

15

(+)-5α,9α-dihydroxymatrine, a new lupin alkaloid from Euchresta horsfeldii

Shigeru Ohmiya, Kimio Higashiyama, Hirotaka Otomasu, Isamu Murakoshi, Joju Haginiwa

Journal:

Year:

1979

Language:

english

File:

PDF, 259 KB

english, 1979

16

Lupin alkaloids from sophora chrysophylla

Isamu Murakoshi, Makoto Ito, Joju Haginiwa, Shigeru Ohmiya, Hirotaka Otomasu, Robert T. Hirano

Journal:

Year:

1984

Language:

english

File:

PDF, 489 KB

english, 1984

17

(−)-3β-13α-dihydroxylupanine from cytisus scoparius

Isamu Murakoshi, Yoshiaki Yamashita, Shigeru Ohmiya, Hirotaka Otomasu

Journal:

Year:

1986

Language:

english

File:

PDF, 394 KB

english, 1986

18

(+)-5,17-dehydromatrine N-oxide, a new alkaloid in Euchresta japonica

Shigeru Ohmiya, Hirotaka Otomasu, Joju Haginiwa, Isamu Murakoshi

Journal:

Year:

1978

Language:

english

File:

PDF, 230 KB

english, 1978

19

N-acetylcytisine from Sophora tomentosa

Shigeru Ohmiya, Hirotaka Otomasu, Isamu Murakoshi, Joju Haginiwa

Journal:

Year:

1974

Language:

english

File:

PDF, 92 KB

english, 1974

20

Isolation of (+)-maackiamine (norammodendrine) from the flowers of Maackia amurensis

Kazuki Saito, Takaaki Yoshino, Toshikazu Sekine, Shigeru Ohmiya, Hajime Kubo, Hirotaka Otomasu, Isamu Murakoshi

Journal:

Year:

1989

Language:

english

File:

PDF, 176 KB

english, 1989

21

(−)-Epilamprolobine and its N-oxide, lupin alkaloids from Sophora tomentosa

Isamu Murakoshi, Eiji Kidoguchi, Minako Nakamura, Joju Haginiwa, Shigeru Ohmiya, Kimio Higashiyama, Hirotaka Otomasu

Journal:

Year:

1981

Language:

english

File:

PDF, 629 KB

english, 1981

22

(+)-Kuraramine, a possible metabolite of (−)-N-methylcytisine in flowers of Sophora flavescens

Isamu Murakoshi, Eiji Kidoguchi, Joju Haginiwa, Shigeru Ohmiya, Kimio Higashiyama, Hirotaka Otomasu

Journal:

Year:

1981

Language:

english

File:

PDF, 311 KB

english, 1981

23

Lupin alkaloids from Sophora mollis

Isamu Murakoshi, Eiji Kidoguchi, Mohammad Ikram, Mohammad Israr, Nusrat Shafi, Joju Haginiwa, Shigeru Ohmiya, Hirotaka Otomasu

Journal:

Year:

1982

Language:

english

File:

PDF, 237 KB

english, 1982

24

Analysis of lupine alkaloids in plants by high-performance liquid chromatography

Kazuki Saito, Kumiko Kobayashi, Shigeru Ohmiya, Hirotaka Otomasu, Isamu Murakoshi

Journal:

Journal of Chromatography A

Year:

1989

Language:

english

File:

PDF, 465 KB

english, 1989

25

(−)-(Trans-4′-β-d-glycopyranosyloxy-3′-methoxycinnamyl)-lupinine, a new lupin alkaloid in Lupinus seedlings

Isamu Murakoshi, Kazuo Toriizuka, Joju Haginiwa, Shigeru Ohmiya, Hirotaka Otomasu

Journal:

Year:

1979

Language:

english

File:

PDF, 231 KB

english, 1979

26

(−)-12-Cytisineacetic acid, a new lupin alkaloid in Euchresta japonica

Shigeru Ohmiya, Hirotaka Otomasu, Joju Haginiwa, Isamu Murakoshi

Journal:

Year:

1979

Language:

english

File:

PDF, 188 KB

english, 1979

27

(−)-(rans-4′-rhamnosyloxy-3′-methoxycinnamyl)lupinine, a new lupin alkaloid in Lupinus luteus

Isamu Murakoshi, Kazuo Toriizuka, Joju Haginiwa, Shigeru Ohmiya, Hirotaka Otomasu

Journal:

Year:

1978

Language:

english

File:

PDF, 171 KB

english, 1978

28

N-(3-oxobutyl)cytisine: A new lupin alkaloid from eChinosophora koreensis

Isamu Murakoshi, Kyoko Fukuchi, Joju Haginiwa, Shigeru Ohmiya, Hirotaka Otomasu

Journal:

Year:

1977

Language:

english

File:

PDF, 230 KB

english, 1977

29

Asymmetric synthesis of (R)-?-phenylalkylamines via alkylation of chiral hydrazones by Grignard reagents

Takahashi, Hiroshi, Tomita, Kouichi, Otomasu, Hirotaka

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1979

Language:

english

File:

PDF, 152 KB

english, 1979

30

A novel synthesis of the 2-benzylisoquinoline alkaloids, sendaverine and corgoine, with aziridinium salts as reactive intermediates

Otomasu, Hirotaka, Higashiyama, Kimio, Honda, Toshio, Kametani, Tetsuji

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1982

Language:

english

File:

PDF, 471 KB

english, 1982

31

Antimalarial phenanthrene amino alcohols. 2. Trifluoromethyl-containing 9-phenanthrenemethanols

Nodiff, Edward A., Saggiomo, Andrew J., Shinbo, Masafu, Chen, Eugene H., Otomasu, Hirotaka, Kondo, Yasuaki, Kikuchi, Toyohiko, Verma, Basant L., Matsuura, Shin

Journal:

Journal of Medicinal Chemistry

Year:

1972

Language:

english

File:

PDF, 607 KB

english, 1972

32

Isolation of a New Alkaloid (-)-0- Acetylbaptifoline and the Absolute Stereochemical Relationships of Lupine Alkaloids in Thermopsis chinensis

Saito, Kazuki, Takamastsu, Satashi, Murakoshi, Isamu, Ohmiya, Shigeru, Otomasu, Hirotaka

Journal:

Journal of Natural Products

Year:

1989

Language:

english

File:

PDF, 263 KB

english, 1989

33

Antimalarial phenanthrene amino alcohols. 3. Halogen-containing 9-phenanthrenemethanols

Nodiff, Edward A., Saggiomo, Andrew J., Tanabe, Keiichi, Chen, Eugene H., Shinbo, Masafu, Tyagi, Mahesh P., Kozuka, Atsuto, Otomasu, Hirotaka, Verma, Basant L., Goff, David

Journal:

Journal of Medicinal Chemistry

Year:

1975

Language:

english

File:

PDF, 764 KB

english, 1975

34

(-)-5α-Hydroxysophocarpine, a New Lupin Alkaloid from the Seeds of Sophora flavescens var. angustifolia 1

Saito, Kazuki, Arai, Noriko, Sekine, Toshikazu, Ohmiya, Shigeru, Kubo, Hajime, Otomasu, Hirotaka, Murakoshi, Isamu

Journal:

Year:

1990

Language:

english

File:

PDF, 195 KB

english, 1990

35

Application of Aziridine to the Facile Synthesis of (±)-Supinidine and (±)-Trachelanthamidine

Kametani, Tetsuji, Higashiyama, Kimio, Otomasu, Hirotaka, Honda, Toshio

Journal:

Israel Journal of Chemistry

Year:

1986

Language:

english

File:

PDF, 387 KB

english, 1986

36

The glycosides of Martynia louisiana Mill. A new phenylpropanoid glycoside, martynoside.

SASAKI, HIROSHI, TAGUCHI, HEIHACHIRO, ENDO, TOHRU, YOSIOKA, ITIRO, HIGASHIYAMA, KIMIO, OTOMASU, HIROTAKA

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1978

File:

PDF, 1.25 MB

1978

37

Synthesis of Condensed Quinoxalines. II. A New Synthesis of Pyrrolo- [2, 3-b] quinoxalines

OTOMASU, HIROTAKA, OHMIYA, SHIGERU, SEKIGUCHI, TOSHIE, TAKAHASHI, HIROSHI

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1970

File:

PDF, 563 KB

1970

38

Reaction of 6-Nitroquinoxalines with Potassium Cyanide

TAKAHASHI, HIROSHI, OTOMASU, HIROTAKA

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1970

File:

PDF, 593 KB

1970

39

A New Synthesis of 5, 6-Dihydro-4H-imidazo [1, 5, 4-d, e] quinoxaline-5-ones

OTOMASU, HIROTAKA, OHMIYA, SHIGERU, TAKAHASHI, HIROSHI, YOSHIDA, KEI, SATO, SHIRO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1973

Language:

english

File:

PDF, 810 KB

english, 1973

40

Synthesis and Conformation of 4, 5-Disubstituted 5, 6-Dihydro-4H-imidazo [1, 5, 4-d, e] quinoxalines

OTOMASU, HIROTAKA, TAKAHASHI, HIROSHI, YOSHIDA, KEI

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1973

Language:

english

File:

PDF, 736 KB

english, 1973

41

Synthesis of nitrophenylpiperidine N-oxides and their reductive intramolecular ring-closure.

TAKAHASHI, HIROSHI, SATO, SHIRO, OTOMASU, HIROTAKA

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1974

File:

PDF, 407 KB

1974

42

Spiro heterocyclic compounds. I. Synthesis of spiro-(imidazolidine-4,3'-indoline)-2,2',5-triones.

OTOMASU, HIROTAKA, NATORI, KYUJI, TAKAHASHI, HIROSHI

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1975

File:

PDF, 640 KB

1975

43

Unusual reaction of 3-chloro-3-nitroalkylindolin-2-ones.

OTOMASU, HIROTAKA, YOSHIDA, KEI, NATORI, KYUJI

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1975

File:

PDF, 562 KB

1975

44

An S-adenosyl-L-methionine; Cytisine methyltransferase in Thermopsis seedlings.

MURAKOSHI, ISAMU, SANDA, AKIHIRO, HAGINIWA, JOJU, SUZUKI, NOBORU, OHMIYA, SHIGERU, OTOMASU, HIROTAKA

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1977

File:

PDF, 539 KB

1977

45

Spiro heterocyclic compound. II. Synthesis of spiro(indoline-3,3'-(5'-pyrazolin))-2-ones and related compounds.

OTOMASU, HIROTAKA, TANAKA, TAE, AOYAGI, MIDORI

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1976

File:

PDF, 703 KB

1976

46

The Enzymatic Conversion of (-)-Lupinine to (-)-(trans-4'-Hydroxycinnamoyl) lupinine by Extracts of Lupinus Seedlings

MURAKOSHI, ISAMU, OGAWA, MAKOTO, TORIIZUKA, KAZUO, HAGINIWA, JOJU, OHMIYA, SHIGERU, OTOMASU, HIROTAKA

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1977

File:

PDF, 373 KB

1977

47

(-)-(trans-4'-.BETA.-D-Glucopyranosyloxycinnamoyl)lupinine, a new lupin alkaloid in Lupinus seedlings.

MURAKOSHI, ISAMU, TORIIZUKA, KAZUO, HAGINIWA, JOJU, OHMIYA, SHIGERU, OTOMASU, HIROTAKA

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1979

File:

PDF, 520 KB

1979

48

Unconjugated chiral azomethines; structure of N-isobutylidene derivatives of (S)-.ALPHA.-amino acid esters.

TAKAHASHI, HIROSHI, OTOMASU, HIROTAKA

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1978

File:

PDF, 652 KB

1978

49

An acetyl-Co A: Cytisine N-acetyltransferase in Sophora seedlings.

MURAKOSHI, ISAMU, SANDA, AKIHIRO, HAGINIWA, JOJU, OTOMASU, HIROTAKA, OHMIYA, SHIGERU

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1978

File:

PDF, 492 KB

1978

50

Spiro heterocyclic compounds. IV. Synthesis of spiro[oxindole-3,4'-(2',3'-dihydro-4'H-pyran)] and spiro[oxindole-3,4'-(1',4'-dihydropyridine)] compounds.

HIGASHIYAMA, KIMIO, OTOMASU, HIROTAKA

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1980

File:

PDF, 679 KB

1980

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