Y. Nakao

Carteramine A, an inhibitor of neutrophil chemotaxis, from the marine sponge Stylissa carteri. (2007)

Kobayashi, H., Kitamura, K., Nagai, K., Nakao, Y., Fusetani, N., ...

Abstract: A new dimeric oroidin derivative, carteramine A (1), was isolated as a neutrophil chemotaxis inhibitor from the marine sponge Stylissa carteri. The structure of 1 was elucidated by the...

Perplexing distribution of 3-alkylpyridines in haplosclerid sponges. (2007)

Becking, L.E., Nakao, Y., Voogd, N.J. De, Fusetani, N., Matsunaga, S.

Abstract: In this study we reviewed the natural product literature for the distribution of 3-alkylpyridines among sponge taxa. In parallel, we traced selected 3-alkylpyridines, amphitoxins, in three...

Total synthesis of azumamide A and azumamide E, evaluation as histone deacetylase inhibitors, and design of a more potent analogue (2007)

Wen, S.J., Carey, K.L., Nakao, Y., Fusetani, N., Packham, G., Ganesan, A.

The unprecedented diastereoselective Mannich reaction of a Z-allylsulfoximine was a key step in the total synthesis of the marine natural products azumamide A and E, and an unnatural analogue. Their...

Structural modifications caused by electrochemical lithium extraction for two types of layered LiVO2 (R(3)over-barm) (2007)

Ozawa, K., Nakao, Y., Wang, L., Cheng, Z., Fujii, H., Hase, M., ...

Alkenyl- and aryl[2-(hydroxymethyl)phenyl]dimethylsilanes: Tetraorganosilanes for the practical cross-coupling reaction (2006)

Nakao, Y, Sahoo, AK, Imanaka, H, Yada, A, Hiyama, T

Regio- and stereoselective decarbonylative carbostannylation of alkynes catalyzed by Pd/C (2006)

Nakao, Y, Satoh, J, Shirakawa, E, Hiyama, T

Allylcyanation of alkynes: Regio- and stereoselective access to functionalized di- or trisubstituted acrylonitriles (2006)

Nakao, Y, Yukawa, T, Hirata, Y, Oda, S, Satoh, J, Hiyama, T

Cyanoesterification of 1,2-dienes: Synthesis and transformations of highly functionalized alpha-cyanomethylacrylate esters (2006)

Nakao, Y, Hirata, Y, Hiyama, T

Hydroheteroarylation of alkynes under mild nickel catalysis (2006)

Nakao, Y, Kanyiva, KS, Oda, S, Hiyama, T

Ruthenium(II)-catalyzed hydrogenation of carbon dioxide to formic acid. Theoretical study of significant acceleration by water molecules (2006)

Ohnishi, Y, Nakao, Y, Sato, H, Sakaki, S

A new analysis of molecular orbital wave functions based on resonance theory (2006)

Ikeda, A, Nakao, Y, Sato, H, Sakaki, S

Theoretical study of rhenium dinuclear complexes: Re-Re bonding nature and electronic structure (2006)

Saito, K, Nakao, Y, Sato, H, Sakaki, S

Discrete sandwich compounds of monolayer palladium sheets (2006)

Murahashi, T, Fujimoto, M, Oka, M, Hashimoto, Y, Uemura, T, Tatsumi, Y, ...

Silapropargyl/silaallenyl and silylene acetylide complexes of [CpCO)(2)W](+). Theoretical study of their interesting bonding nature and formation reaction (2006)

Ray, M, Nakao, Y, Sato, H, Sakaba, H, Sakaki, S

Deep blue mixed-valent (PtPtPtII)-Pt-III-Pt-III complex [Pt3Br2(mu-pz)(6)] (pz = pyrazolate) showing valence-detrapping behavior in solution (2006)

Umakoshi, K, Kojima, T, Kim, YH, Onishi, M, Nakao, Y, Sakaki, S

Arylcyanation of norbornene and norbornadiene catalyzed by nickel (2006)

Nakao, Y, Yada, A, Satoh, J, Ebata, S, Oda, S, Hiyama, T

Biaryl synthesis using highly stable aryl[2-(hydroxymethyl)phenyl]dimethylsilanes and aryl iodides under fluoride-free conditions (2006)

Nakao, Y, Sahoo, AK, Yada, A, Chen, JS, Hiyama, T

Axinelloside, A, an unprecedented highly sufated lipopolysaccharide inhibiting Telomerase, from the marine sponge, Axinella infundibula. (2005)

Warabi, K., Hamada, T., Nakao, Y., Matsunaga, S., Hirota, H., ...

Stabilization of vinylidene-type and acetylene-type Si2H2 species by coordination with rhodium(I) and platinum(0) complexes. Theoretical proposals (2005)

Kuramoto, Y, Sawai, N, Fujiwara, Y, Sumimoto, M, Nakao, Y, Sato, H, ...

Theoretical study of CP2Zr-, (MeO)(2)Zr-, and M(PH3)-mediated coupling reactions of acetylenes (M = Ni, Pt). Significant differences between early- and late-transition-metal complexes (2005)

Imabayashi, T, Fujiwara, Y, Nakao, Y, Sato, H, Sakaki, S

Theoretical study of M(PH3)(2) complexes of C-60, corannulene (C20H10), and sumanene (C2H12) (M = Pd or Pt). Unexpectedly large binding energy of M(PH3)(2)(C-60) (2005)

Karneno, Y, Ikeda, A, Nakao, Y, Sato, H, Sakaki, S

Theoretical study of silyl-bridged dinuclear palladium(I) and platinum(I) complexes, M-2 (mu-eta(2)-H center dot center dot center dot SiH2)(2)(PH3)(2) (M = Pd or Pt). New insight into the bonding nature (2005)

Nakajima, S, Sumimoto, M, Nakao, Y, Sato, H, Sakaki, S, Osakada, K

Facile synthesis of trifluoromethyl-substituted enynes: Remarkable reactivity and stereoselectivity of tributyl(3,3,3-trifluoropropynyl)stannane in carbostannylation of alkynes (2005)

Shimizu, M, Jiang, GF, Murai, M, Takeda, Y, Nakao, Y, Hiyama, T, ...

Alkenyl- and aryl[2-(hydroxymethyl)phenyl]dimethylsilanes: An entry to tetraorganosilicon reagents for the silicon-based cross-coupling reaction (2005)

Nakao, Y, Imanaka, H, Sahoo, AK, Yada, A, Hiyama, T

Stannylative cycloaddition of enynes catalyzed by palladium - Iminophosphine (2004)

Nakao, Y, Hirata, Y, Ishihara, S, Oda, S, Yukawa, T, Shirakawa, E, ...

Bis(mu-silylene)-bridged dinuclear rhodium(0) complex and its palladium(0) and platinum(0) analogues. Theoretical study of their electronic structure, bonding nature, and interconversion between mu-disilene-bridged form and bis(mu-silylene)-bridged form (2004)

Nakajima, S, Yokogawa, D, Nakao, Y, Sato, H, Sakaki, S

The pi -> pi* excited states of long linear polyenes studied by the CASCI-MRMP method (2004)

Kurashige, Y, Nakano, H, Nakao, Y, Hirao, K

Nickel-catalyzed tandem carbostannylation of alkynes and 1,2-dienes with alkynylstannanes (2004)

Shirakawa, E, Yamamoto, Y, Nakao, Y, Oda, S, Tsuchimoto, T, Hiyama, T

Cross-coupling of triallyl(aryl)silanes with aryl bromides and chlorides: An alternative convenient biaryl synthesis (2004)

Sahoo, AK, Oda, T, Nakao, Y, Hiyama, T

A highly effective and practical biaryl synthesis with triallyl(aryl)silanes and aryl chlorides (2004)

Sahoo, AK, Nakao, Y, Hiyama, T

Nickel-catalyzed acylstannylation and alkynylstannylation of 1,2-dienes (2004)

Nakao, Y, Shirakawa, E, Tsuchimoto, T, Hiyama, T

Nickel-catalyzed arylcyanation of alkynes (2004)

Nakao, Y, Oda, S, Hiyama, T

Palladium-iminophosphine-catalyzed homocoupling of alkynylstannanes and other organostannanes using allyl acetate or air as an oxidant (2003)

Shirakawa, E, Nakao, Y, Murota, Y, Hiyama, T

Triallyl(aryl)silanes serve as a convenient agent for silicon-based cross-coupling reaction of aryl halides (2003)

Nakao, Y, Oda, T, Sahoo, AK, Hiyama, T

Nobiloside, a new neuraminidase inhibitory Triterpenoidal Saponin from the marine sponge Erylus nobilis (2002)

Takada, K., Nakao, Y., Matsunaga, S., Fusetani, N.

Callyspongynic acid, a polyacetylenic acid which inhibits alpha-Glucosidase, from the marine sponge Callyspongia truncata (2002)

Nakao, Y., Uehara, T., Matsunaga, S., Fusetani, N.

Synthesis of polycyclic compounds utilizing the nickel-catalysed alkynylstannylation of 1,2-dienes (2002)

Shirakawa, E, Nakao, Y, Tsuchimoto, T, Hiyama, T

Ancorinosides B-D, inhibitors of membrane type 1 matrix metalloproteinase (MT1-MMP), from the marine sponge Penares sollasi Thiele. (2001)

Fujita, M., Nakao, Y., Matsunaga, S., Seiki, M., Itoh, Y., ...

Three new bromotyrosine derivatives lethal to crab from the marine sponge, Pseudoceratina purpurea (2001)

Fusetani, N., Masuda, Y., Nakao, Y., Matsunaga, S.

Nickel-catalysed acylstannylation of 1,2-dienes: synthesis and reactions of alpha-(acylmethyl)vinylstannanes (2001)

Shirakawa, E, Nakao, Y, Hiyama, T

Dimerization-carbostannylation of alkynes catalyzes by a palladium-diimine complex: Regioselectivity, stereoselectivity and mechanism (2001)

Yoshida, H, Shirakawa, E, Nakao, Y, Honda, Y, Hiyama, T

Transition metal-catalysed acylation of alpha,beta-unsaturated carbonyl compounds with acylstannanes (2001)

Shirakawa, E, Yamamoto, Y, Nakao, Y, Tsuchimoto, T, Hiyama, T

Penarolide sulfates A1 and A2, new alpha-glucosidase inhibitors from a marine sponge Penares sp. (2000)

Nakao, Y., Maki, T., Matsunaga, S., Fusetani, N.

Nickel-catalyzed acylstannylation of 1,3-dienes: Synthesis and reaction of epsilon-oxoallylstannanes (2000)

Shirakawa, E, Nakao, Y, Yoshida, H, Hiyama, T

Mechanistic aspects of palladium-catalyzed allylstannylation of alkynes (2000)

Shirakawa, E, Yoshida, H, Nakao, Y, Hiyama, T

Palladium-iminophosphine-catalyzed alkynylstannylation of alkynes (2000)

Yoshida, H, Shirakawa, E, Kurahashi, T, Nakao, Y, Hiyama, T

Koshikamide A1, a new cytotoxic linear peptide isolated from a marine sponge Theonella sp (1999)

Fusetani, N., Warabi, K., Nogata, Y., Nakao, Y., Matsunaga, S.

STUDY ON THE WELDABILITY OF NI BASE SUPERALLOY (PART 5)-INQUIRING INTO CAUSES OF WELD CRACKINGS IN INCONEL 713. (1998)

IKAA,H., SIN,S., NAKAO,Y.

STUDY ON THE WELDABILITY OF NI BASE SUPERALLOY (PART 6)--METALLURGICAL INVESTIGATION ON WHITE CONSTITUENTS. (1998)

IKAWA,H., SHIN,S., NAKAO,Y.

Research on Joining of Ceramics in Japan. (1998)

Nakao, Y.

Trends on joining ceramics to ceramics and to metals in Japan in recent 5 years are described in this report. Research items reviewed are as follows;(1) wetting phenomena, (2) interfacial reaction...

Structures of oligosaccharides on b-galactosidase from Aspergillus oryzae (1987)

Vliegenthart, J.F.G., Nakao, Y., Kozutsumi, Y., Funakoshi, I., Kawasaki, T., Yamashina, I., ...

EXAFS AND XANES STUDIES ON La1-xSrxCoO3 COMPOUNDS (x=0, 0.2, 0.5) (1986)

Kageyama, H., Kamijo, N., Narukawa, M., Maruyama, F., Nakao, Y., Taniguchi, K.

The local structure around the Sr and the Co atoms in the title compounds calcined at 850°C-900°C were investigated by EXAFS and XANES spectroscopy. Both the main absorption peak and the threshold...

EXAFS AND XANES STUDY ON RARE-EARTH CHROMITES OF Gd1-xSrxCrO3 (1986)

Kamijo, N., Kageyama, H., Narukawa, M., Maruyama, F., Nakao, Y., Taniguchi, K., ...

EXAFS and XANES measurements are made for Gd1-xSrxCrO3 system (x=0,0.2,0.5) at 60 K and 300 K for Sr K-edge and Gd L3-edge respectively, and for Cr K-edge at 300 K to elucidate their oxygen defect...

EXAFS AND XANES STUDIES ON La1-xSrxCoO3 COMPOUNDS (x=0, 0.2, 0.5) (1986)

Kageyama, H., Kamijo, N., Narukawa, M., Maruyama, F., Nakao, Y., Taniguchi, K.

The local structure around the Sr and the Co atoms in the title compounds calcined at 850°C-900°C were investigated by EXAFS and XANES spectroscopy. Both the main absorption peak and the threshold...

EXAFS AND XANES STUDY ON RARE-EARTH CHROMITES OF Gd1-xSrxCrO3 (1986)

Kamijo, N., Kageyama, H., Narukawa, M., Maruyama, F., Nakao, Y., Taniguchi, K., ...

EXAFS and XANES measurements are made for Gd1-xSrxCrO3 system (x=0,0.2,0.5) at 60 K and 300 K for Sr K-edge and Gd L3-edge respectively, and for Cr K-edge at 300 K to elucidate their oxygen defect...

EXAFS AND XANES STUDIES ON La1-xSrxCoO3 COMPOUNDS (x=0, 0.2, 0.5) (1986)

Kageyama, H., Kamijo, N., Narukawa, M., Maruyama, F., Nakao, Y., Taniguchi, K.

The local structure around the Sr and the Co atoms in the title compounds calcined at 850°C-900°C were investigated by EXAFS and XANES spectroscopy. Both the main absorption peak and the threshold...

EXAFS AND XANES STUDY ON RARE-EARTH CHROMITES OF Gd1-xSrxCrO3 (1986)

Kamijo, N., Kageyama, H., Narukawa, M., Maruyama, F., Nakao, Y., Taniguchi, K., ...

EXAFS and XANES measurements are made for Gd1-xSrxCrO3 system (x=0,0.2,0.5) at 60 K and 300 K for Sr K-edge and Gd L3-edge respectively, and for Cr K-edge at 300 K to elucidate their oxygen defect...

Structures of oligomannoside chains of a-mannosidase from porcine kidney (1986)

Vliegenthart, J.F.G., Kozutsumi, Y., Nakao, Y., Teramura, T., Kawasaki, T., Yamashina, I., ...

Oligosaccharides on cathepsin D from porcine spleen (1984)

Vliegenthart, J.F.G., Nakao, Y., Kozutsumi, Y., Kawasaki, T., Yamashina, I., Halbeek, H. Van

Modes of transmission and evidence for viral latency from studies of human T-cell lymphotrophic virus type I in Japanese migrant populations in Hawaii.

Blattner, W A, Nomura, A, Clark, J W, Ho, G Y, Nakao, Y, Gallo, R, ...

Human T-cell lymphotrophic virus type I (HTLV-I) seroprevalence was 20% among Hawaiian Japanese migrants (issei) and their offspring (nisei) from Okinawa compared to 35% in similarly aged men who...

Natural antibodies to the structural core protein (p24) of the human T-cell leukemia (lymphoma) retrovirus found in sera of leukemia patients in Japan

Kalyanaraman, V. S., Sarngadharan, M. G., Nakao, Y., Ito, Y., Aoki, T., Gallo, R. C.

In Japan, adult T-cell leukemias and lymphomas are more common than in the United States and Europe, and in the southwest part of Japan these T-cell malignancy cases appear in clusters. Therefore, we...

Modes of transmission and evidence for viral latency from studies of human T-cell lymphotrophic virus type I in Japanese migrant populations in Hawaii.

Blattner, W A, Nomura, A, Clark, J W, Ho, G Y, Nakao, Y, Gallo, R, ...

Human T-cell lymphotrophic virus type I (HTLV-I) seroprevalence was 20% among Hawaiian Japanese migrants (issei) and their offspring (nisei) from Okinawa compared to 35% in similarly aged men who...

Natural antibodies to the structural core protein (p24) of the human T-cell leukemia (lymphoma) retrovirus found in sera of leukemia patients in Japan

Kalyanaraman, V. S., Sarngadharan, M. G., Nakao, Y., Ito, Y., Aoki, T., Gallo, R. C.

In Japan, adult T-cell leukemias and lymphomas are more common than in the United States and Europe, and in the southwest part of Japan these T-cell malignancy cases appear in clusters. Therefore, we...

Regulation of tumour necrosis factor production by mouse peritoneal macrophages: the role of cellular cyclic AMP.

Katakami, Y, Nakao, Y, Koizumi, T, Katakami, N, Ogawa, R, Fujita, T

We have studied the role of cyclic adenosine 3':5' monophosphate (cAMP) in the regulation of lipopolysaccharide (LPS)-induced tumour necrosis factor (TNF) production by mouse peritoneal macrophages....

C-myc expression in lymphocytes of MRL/MP-lpr mice activated by A23187 and TPA.

Koizumi, T, Nakao, Y, Matsui, T, Katakami, Y, Mihara, K, Takahashi, R, ...

In order to analyse the molecular mechanism of lymphocyte activation defect in MRL/MP-lpr (MRL/1) mice, c-myc proto-oncogene expression was examined in MRL/1 lymph node cells stimulated by various...

Synergistic induction by calcium ionophore and phorbol ester of interleukin-2 (IL-2) receptor expression, IL-2 production, and proliferation in autoimmune MRL/MP-lpr mice.

Koizumi, T, Nakao, Y, Matsui, T, Katakami, Y, Nakagawa, T, Fujita, T

MRL/MP-lpr/lpr (MRL/l) mice spontaneously develop an age-related autoimmune disease concomitant with interleukin-2 (IL-2) defects. Induction of IL-2 receptor (IL-2R), IL-2 production and subsequent...

IgG heavy chain allotype (Gm), a genetic marker for human chromosome 14q32, and haematopoietic malignancies.

Nakao, Y, Matsumoto, H, Tsuji, K, Miyazaki, T, Masaoka, T, Nakayama, S, ...

IgG heavy chain constant region allotypes, Gm, the genetic marker of human chromosome 14q32, are markers for susceptibility to certain diseases. We tested Gm allotypes in 365 patients with various...

Primary hepatocellular carcinoma and IgG heavy chain allotypes.

Nakao, Y, Matsumoto, H, Okubo, A, Miyazaki, T, Iwasaki, Y, Okimoto, K, ...

We studied Gm typing of serum samples from 838 donors; 177 had chronic hepatitis, 166 liver cirrhosis, 113 primary hepatocellular carcinoma, 21 alcoholic hepatitis, 18 fatty liver and 343 were...

Genetic and clinical studies of serum beta 2-microglobulin levels in haematological malignancies.

Nakao, Y, Matsumoto, H, Miyazaki, T, Watanabe, S, Masaoka, T, Takatsuki, K, ...

Sera from 244 patients with haematological malignancies were examined for beta 2-microglobulin (beta 2m) levels. There were 142 leukaemias, 32 malignant lymphomas, three immunoblastic lymphomas, two...

Immunologic studies on Werner's syndrome.

Nakao, Y, Hattori, T, Takatsuki, K, Kuroda, Y, Nakaji, T, Fujiwara, Y, ...

Five patients with Werner's syndrome were studied to elucidate the relationship between the immune system and the ageing process. Three of five patients had neoplasms such as fibrosarcoma, meningioma...

IgG heavy chain allotypes (Gm) in autoimmune diseases.

Nakao, Y, Matsumoto, H, Miyazaki, T, Nishitani, H, Takatsuki, K, Kasukawa, R, ...

Serum samples from 100 patients with myasthenia gravis, 322 with Graves' disease, 113 with Hashimoto's disease, 132 with systemic lupus erythematosus (SLE), 192 with insulin-dependent juvenile...

Inotropic effects of Ca2+ channel agonist and antagonists in neuraminidase-treated left atria of rats.

Hattori, Y., Hazama, S., Kanno, M., Nakao, Y.

The effects of removal of sialic acid from cardiac sarcolemma on contractile functions and on inotropic responses to Ca2+ channel agonist and antagonists were investigated in rat left atria. About...