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1

ChemInform Abstract: Preparation and Spectral Properties of the Nitrogen Analogues of (E)-5,5′-Diaryl-3,3′-bifuranylidene-2,2′-diones and Their Derivatives.

Hajime Irikawa, Norihide Adachi

Journal:

Year:

2000

File:

PDF, 32 KB

2000

2

ChemInform Abstract: Formation and Structures of Dimeric Compounds from an (E)-5,5′-Diphenyl-2,2′,3,3′-tetrahydro-3,3′-bipyrrolylidene-2,2′-dione.

Hajime Irikawa, Kimiaki Shiratori, Norihide Adachi, Keiichi Adachi, Satoshi Kawata

Journal:

Year:

2001

File:

PDF, 28 KB

2001

3

A New Chiral Host, (5S-trans)-11b- (1,1-Dimethylethyl)-2,3,5,6,11,11b-hexahydro-3-oxo-1H-indolizino [8,7-b]indole-5-carboxylic Acid Methyl Ester: Complexation by a Helical Network.

Hajime Irikawa, Masanori Morinaga, Mitsuru Kondo

Journal:

Year:

2003

File:

PDF, 6 KB

2003

4

The structure of codaphniphylline

Hajime Irikawa, Shosuke Yamamura, Noriyoshi Sakabe, Yoshimasa Hirata

Journal:

Tetrahedron Letters

Year:

1967

Language:

english

File:

PDF, 113 KB

english, 1967

5

Isolation of yuzurimines A and B from Daphniphyllum macropodum miquel

Hiroshi Sakurai, Hajime Irikawa, Shosuke Yamamura, Yoshimasa Hirata

Journal:

Tetrahedron Letters

Year:

1967

Language:

english

File:

PDF, 235 KB

english, 1967

6

Further studies of daphniphylline

Shosuke Yamamura, Hajime Irikawa, Yoshimasa Hirata

Journal:

Tetrahedron Letters

Year:

1967

Language:

english

File:

PDF, 180 KB

english, 1967

7

Unpaired electron distribution in acylaminyls

Alexander R. Forrester, Hajime Irikawa, Gabriella Soutar

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 224 KB

english, 1984

8

Isolation of two new alkaloids from Daphniphyllum macropodum miquel

Hajime Irikawa, Hiroshi Sakurai, Noriyoshi Sakabe, Yoshimasa Hirata

Journal:

Tetrahedron Letters

Year:

1966

Language:

english

File:

PDF, 194 KB

english, 1966

9

Preparation and Properties of Dehydrotrichotomine-type Dyes: A New Near-Infrared Absorbing Indigoid

Irikawa, Hajime, Hashimoto, Hiroyuki, Shiratori, Kimiaki, Kawakita, Keitaro, Tanaka, Tomoaki, Sekine, Rika

Journal:

Year:

2005

Language:

english

File:

PDF, 280 KB

english, 2005

10

E.s.r. spectra of cyclic oxyamidyls

Forrester, Alexander R., Irikawa, Hajime

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1981

Language:

english

File:

PDF, 130 KB

english, 1981

11

One-dimensional helical chain in the co-crystal of CHCl3 and trans-2,3,5,6,11,11b-hexahydro-3-oxo-1H-indolizino[8,7-b]indole-5-carboxylic acid methyl ester: a channel-type inclusion complex

Adachi, Keiichi, Irikawa, Hajime, Shiratori, Kimiaki, Sugiyama, Yuichi, Kawata, Satoshi

Journal:

Year:

2001

Language:

english

File:

PDF, 134 KB

english, 2001

12

Preparation and Spectral Properties of the Nitrogen Analogs of (E )-5,5'-Diaryl- 3,3'-bifuranylidene-2,2'-diones and Their Derivatives

Irikawa, Hajime, Adachi, Norihide

Journal:

Year:

2000

Language:

english

File:

PDF, 207 KB

english, 2000

13

Properties of the Keto Amides Formed by Aminolysis of 3,7-Diarylpyrano[4,3-c]pyran-1,5-dione Derivatives: A Solid-State Reaction, Crystal Structures, and Thermal Analysis

Irikawa, Hajime, Kawabe, Chika, Kawakita, Keitaro, Morinaga, Masanori, Kondo, Mitsuru

Journal:

Year:

2007

Language:

english

File:

PDF, 402 KB

english, 2007

14

Synthesis and Properties of 2,8-Dioxabicyclo[3.2.1]octane Derivatives

Irikawa, Hajime, Ishikura, Tsukasa, Okumura, Yasuaki

Journal:

Bulletin of the Chemical Society of Japan

Year:

1977

File:

PDF, 280 KB

1977

15

Lactones of Hydrogenated 5,8-Dihydroxy-4-methylnaphthalene-1-carboxylic Acids

Irikawa, Hajime, Okumura, Yasuaki

Journal:

Bulletin of the Chemical Society of Japan

Year:

1978

File:

PDF, 357 KB

1978

16

Autoxidation of Indolo[3,2,1- de ][1,5]naphthyridines

Irikawa, Hajime, Okumura, Yasuaki

Journal:

Bulletin of the Chemical Society of Japan

Year:

1987

File:

PDF, 386 KB

1987

17

The Structure of Yuzurimine-C

Yamamura, Shosuke, Irikawa, Hajime, Okumura, Yasuaki, Hirata, Yoshimasa

Journal:

Bulletin of the Chemical Society of Japan

Year:

1975

File:

PDF, 661 KB

1975

18

Carbon-13 NMR Spectra of Octahydro-1,4-naphthoquinones and of Their Derivatives

Irikawa, Hajime, Okumura, Yasuaki

Journal:

Bulletin of the Chemical Society of Japan

Year:

1978

File:

PDF, 681 KB

1978

19

The Reaction of Methyl cis -Decahydro-5,8-dioxonaphthalene-1-carboxylates

Irikawa, Hajime, Koyama, Tsuyoshi, Okumura, Yasuaki

Journal:

Bulletin of the Chemical Society of Japan

Year:

1979

File:

PDF, 350 KB

1979

20

Oxidative Formation of a Blue Pigment from a Dihydropyrrolo[2,1- a ]isoquinolin-3(2 H )-one Derivative

Irikawa, Hajime, Ooe, Sumio, Okumura, Yasuaki

Journal:

Bulletin of the Chemical Society of Japan

Year:

1988

File:

PDF, 375 KB

1988

21

FIVE NEW ALKALOIDS FROM DAPHNIPHYLLUM GRACILE GAGE

Yamamura, Shosuke, Lamberton, J. A., Irikawa, Hajime, Okumura, Yasuaki, Hirata, Yoshimasa

Journal:

Chemistry Letters

Year:

1975

Language:

english

File:

PDF, 6.86 MB

english, 1975

22

SYNTHESIS AND EPIMERIZATION OF 11b-SUBSTITUTED-INDOLIZINO[8,7- b ]INDOLE-5-CARBOXYLIC ACID METHYL ESTERS

Irikawa, Hajime, Okumura, Yasuaki

Journal:

Chemistry Letters

Year:

1983

Language:

english

File:

PDF, 5.06 MB

english, 1983

23

Isolation of Four 2,3,5,6,11,11b-Hexahydro-3-oxo-1 H -indolizino[8,7- b ]indole-5-carboxylic Acids from Clerodendron Trichotomum Thunb and Properties of Their Derivatives

Irikawa, Hajime, Toyoda, Yasuhiro, Kumagai, Hiroaki, Okumura, Yasuaki

Journal:

Bulletin of the Chemical Society of Japan

Year:

1989

File:

PDF, 1.38 MB

1989

24

Synthesis, Properties, and Crystal Structure of a 1,1′-Bis(ethoxycarbonyl)trichotomine Derivative

Irikawa, Hajime, Enomoto, Masanori, Shimoda, Yoshinori, Atsumi, Tadashi, Okumura, Yasuaki, Iijima, Kinya

Journal:

Bulletin of the Chemical Society of Japan

Year:

1994

File:

PDF, 889 KB

1994

25

ISOLATION OF FOUR INDOLIZINO[8,7- b ]INDOLE-5-CARBOXYLIC ACIDS FROM CLERODENDRON TRICHOTOMUM THUNB

Toyoda, Yasuhiro, Kumagai, Hiroaki, Irikawa, Hajime, Okumura, Yasuaki

Journal:

Chemistry Letters

Year:

1982

Language:

english

File:

PDF, 4.72 MB

english, 1982

26

Reaction of Methyl 2,3,5,6,11,11b-Hexahydro-3-oxo-1 H -indolizino[8,7- b ]indole-5-carboxylate and Its Derivatives with N -Bromosuccinimide

Irikawa, Hajime, Mutoh, Susumu, Uehara, Masahiro, Okumura, Yasuaki

Journal:

Bulletin of the Chemical Society of Japan

Year:

1989

File:

PDF, 510 KB

1989

27

Preparation and Properties of 1,1′-Disubstituted Trichotomine Derivatives with a Twisted C=C Bond

Irikawa, Hajime, Kanke, Satoru, Mito, Kousuke, Kobayashi, Yasuhiro, Akasaka, Tomoko, Atsumi, Tadashi, Arimoto, Hirokazu, Okumura, Yasuaki

Journal:

Bulletin of the Chemical Society of Japan

Year:

1996

File:

PDF, 970 KB

1996

28

Preparation and Properties of 1,1′-Disubstituted Δ 2,2′ -Bi-5,6-dihydropyrrolo[2,1- a ]isoquinolin-3(2 H )-one Dimers with a Twisted C=C Bond

Irikawa, Hajime, Ishikawa, Kaori, Akasaka, Tomoko

Journal:

Bulletin of the Chemical Society of Japan

Year:

1996

File:

PDF, 1.01 MB

1996

29

Formation and Structures of Dimeric Compounds from an ( E )-5,5′-Diphenyl-2,2′,3,3′-tetrahydro-3,3′-bipyrrolylidene-2,2′-dione

Irikawa, Hajime, Shiratori, Kimiaki, Adachi, Norihide, Adachi, Keiichi, Kawata, Satoshi

Journal:

Bulletin of the Chemical Society of Japan

Year:

2001

Language:

english

File:

PDF, 194 KB

english, 2001

30

Inclusion Properties of 11b-Substituted 2,3,5,6,11,11b-Hexahydro-3-oxo-1 H -indolizino[8,7- b ]indole-5-carboxylic Acid Esters. New Chiral Host Compounds Derived from L-Tryptophan

Morinaga, Masanori, Taniguchi, Masahiro, Sonogi, Tsuyoshi, Watanabe, Gou, Kitawaki, Takaya, Kondo, Mitsuru, Irikawa, Hajime

Journal:

Bulletin of the Chemical Society of Japan

Year:

2006

Language:

english

File:

PDF, 687 KB

english, 2006

31

A New Chiral Host, (5 S-trans )-11b-(1,1-Dimethylethyl)-2,3,5,6,11,11b-hexahydro-3-oxo-1 H -indolizino[8,7- b ]indole-5-carboxylic Acid Methyl Ester: Complexation by a Helical Network

Irikawa, Hajime, Morinaga, Masanori, Kondo, Mitsuru

Journal:

Chemistry Letters

Year:

2003

Language:

english

File:

PDF, 422 KB

english, 2003

32

Daphniphyllum Alkaloids

TODA, Masaki, IRIKAWA, Hajime, YAMAMURA, Shosuke, HIRATA, Yoshimasa

Journal:

Nippon kagaku zassi

Year:

1970

File:

PDF, 1.14 MB

1970

33

ChemInform Abstract: THE STRUCTURE OF YUZURIMINE-C

YAMAMURA, SHOSUKE, IRIKAWA, HAJIME, OKUMURA, YASUAKI, HIRATA, YOSHIMASA

Journal:

Chemischer Informationsdienst

Year:

1975

File:

PDF, 84 KB

1975

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