Search Results - "Ye, Yue Qi"

Transient NOE driven signal enhancement of INADEQUATE solid-state NMR spectroscopy for the structural analysis of rubbers by Yan, Zhiwei, Ye, Yue-Qi, Zhang, Rongchun

“…INADEQUATE (Incredible Natural Abundance DoublE QUAntum Transfer Experiment) is one of the most important techniques in revealing the carbon skeleton of…”
Get full text

2D HETCOR Solid-State NMR Spectroscopy for Multiphase Materials with Mobility Contrast by Yan, Zhiwei, Ye, Yue-Qi, Zhang, Rongchun

“…Two-dimensional heteronuclear chemical shift correlation experiments (HETCOR) under magic angle spinning (MAS) can provide the isotropic chemical shift and the…”
Get full text

Vialinin A, a Novel Potent Inhibitor of TNF-α Production from RBL-2H3 Cells by Onose, Jun-ichi, Xie, Chun, Ye, Yue Qi, Sugaya, Kouichi, Takahashi, Shunya, Koshino, Hiroyuki, Yasunaga, Katsuaki, Abe, Naoki, Yoshikawa, Kunie

“…Thelephora vialis is a mushroom that grows in symbiosis with pine trees in Yunnan, China, a place known to have some of the richest and most diverse…”
Get full text

Structural Revision of Thelephantin G by Total Synthesis and the Inhibitory Activity against TNF-α Production by Ye, Yue Qi, Koshino, Hiroyuki, Onose, Jun-ichi, Negishi, Chiemi, Yoshikawa, Kunie, Abe, Naoki, Takahashi, Shunya

“…This paper describes the total synthesis of thelephantin G, thus revising the proposed structure 1 to 2. The key steps involved a double Suzuki−Miyaura…”
Get full text

Synthesis of Atromentin and Its O-Alkylated Natural Products by YE, Yue Qi, KOSHINO, Hiroyuki, ABE, Naoki, NAKAMURA, Takemichi, HASHIZUME, Daisuke, TAKAHASHI, Shunya

“…The structure of a long-known natural pigment, atromentin, was established by a total synthesis based on double Suzuki-Miyaura coupling and by a single-crystal…”
Get full text

Ubiquitin-specific peptidase 5, a target molecule of vialinin A, is a key molecule of TNF-α production in RBL-2H3 cells by Yoshioka, Yasukiyo, Ye, Yue Qi, Okada, Kiyoshi, Taniguchi, Kayoko, Yoshida, Ayaka, Sugaya, Kouichi, Onose, Jun-ichi, Koshino, Hiroyuki, Takahashi, Shunya, Yajima, Arata, Yajima, Shunsuke, Abe, Naoki

“…Tumor necrosis factor alpha (TNF-α), a central mediator of the inflammatory response, is released from basophilic cells and other cells in response to a…”
Get full text

Synthesis and biological activity of both enantiomers of kujigamberol isolated from 85-million-years-old Kuji amber by Ye, Yue Qi, Koshino, Hiroyuki, Hashizume, Daisuke, Minamikawa, Yuki, Kimura, Ken-ichi, Takahashi, Shunya

“…The full-structure of a norlabdane terpenoid, kujigamberol (1) was determined by total synthesis. Key features of the total synthesis are (1) installation of…”
Get full text

Simple and efficient synthesis of highly functionalized cyclohexanes; formal total synthesis of ovalicin and fumagillin by Takahashi, Shunya, Hongo, Yayoi, Ye, Yue Qi, Koshino, Hiroyuki

“…Two chiral cyclohexanes 4 and 6, which are key intermediates for the total synthesis of ovalicin 1 and fumagillin 2, respectively, were synthesized from (2 R,3…”
Get full text

Studies on natural p-terphenyls: Total syntheses of vialinin A and terrestrin B by Ye, Y.Q., RIKEN, Wako, Saitama (Japan), Koshino, H, Onose, J, Yoshikawa, K, Abe, N, Takahashi, S

“…A powerful inhibitor of TNF-α production, vialinin A, was synthesized from sesamol through a series of reactions involving double Suzuki-Miyaura coupling,…”
Get full text

Design and synthesis of a vialinin A analog with a potent inhibitory activity of TNF-α production and its transformation into a couple of bioprobes by Ye, Yue Qi, Onose, Jun-ichi, Abe, Naoki, Koshino, Hiroyuki, Takahashi, Shunya

“…Vialinin A (1) is an extremely potent inhibitor against tumor necrosis factor (TNF)-α production in rat basophilic leukemia (RBL-2H3) cells. This Letter…”
Get full text

Maximizing the sensitivity in 13C cross-polarization magic-angle-spinning solid-state NMR measurements with flip-back pulses by Ye, Yue-Qi, Martineau-Corcos, Charlotte, Taulelle, Francis, Nishiyama, Yusuke

“…[Display omitted] •CPMAS experiment with a flip-back pulse is investigated.•An optimal repetition delay and a sensitivity gain are estimated from 1H T1 and 1H…”
Get full text

Maximizing the sensitivity in 13 C cross-polarization magic-angle-spinning solid-state NMR measurements with flip-back pulses by Ye, Yue-Qi, Martineau-Corcos, Charlotte, Taulelle, Francis, Nishiyama, Yusuke

“…The flip-back pulse combined with cross-polarization magic-angle spinning (CPMAS-FB) has been widely used to reduce the optimal repetition delay, resulting in…”
Get full text

Improving the solubility of dexlansoprazole by cocrystallization with isonicotinamide by Li, Jianhui, Wang, Lianyan, Ye, Yue Qi, Fu, Xue, Ren, Qinghua, Zhang, Hailu, Deng, Zongwu

“…Cocrystallization of an active pharmaceutical ingredient (API) with a cocrystal former (co-former) is widely used to tailor the physicochemical properties of…”
Get full text

Structural elucidation and synthesis of vialinin C, a new inhibitor of TNF-α production by Ye, Yue Qi, Negishi, Chiemi, Hongo, Yayoi, Koshino, Hiroyuki, Onose, Jun-ichi, Abe, Naoki, Takahashi, Shunya

“…A new inhibitor of TNF-α production (IC50=0.89μM) named vialinin C (1) was isolated from dry fruiting bodies of an edible Chinese mushroom, Thelephora vialis…”
Get full text

Vialinin A is a ubiquitin-specific peptidase inhibitor by Okada, Kiyoshi, Ye, Yue Qi, Taniguchi, Kayoko, Yoshida, Ayaka, Akiyama, Tomonori, Yoshioka, Yasukiyo, Onose, Jun-ichi, Koshino, Hiroyuki, Takahashi, Shunya, Yajima, Arata, Abe, Naoki, Yajima, Shunsuke

“…Vialinin A, a small compound isolated from the Chinese mushroom Thelephora vialis, exhibits more effective anti-inflammatory activity than the widely used…”
Get full text

Expeditious Synthesis of Vialinin B, an Extremely Potent Inhibitor of TNF-α Production by Ye, Yue Qi, Koshino, Hiroyuki, Onose, Jun-ichi, Yoshikawa, Kunie, Abe, Naoki, Takahashi, Shunya

“…A first total synthesis of vialinin B, a powerful inhibitor (IC50 20 pM) of TNF-α production, is described. The key reactions include a double Suzuki−Miyaura…”
Get full text

Kujigamberol, a new dinorlabdane diterpenoid isolated from 85 million years old Kuji amber using a biotechnological assay by KIMURA, Ken-Ichi, MINAMIKAWA, Yuki, OGASAWARA, Yukiko, YOSHIDA, Jun, SAITOH, Kei-Ichi, SHINDEN, Hisao, YUE QI YE, TAKAHASHI, Shunya, MIYAKAWA, Tokichi, KOSHINO, Hiroyuki

“…A new compound, 15,20-dinor-5,7,9-labdatriene-18-ol (1), named kujigamberol, was isolated from amber, fossilized tree resin from the Kuji area in Japan, has…”
Get full text

Rapid measurement of multidimensional 1H solid-state NMR spectra at ultra-fast MAS frequencies by Ye, Yue Qi, Malon, Michal, Martineau, Charlotte, Taulelle, Francis, Nishiyama, Yusuke

“…[Display omitted] •We showed each 1H shows different T1 relaxation times at ultra fast MAS.•RFDR during relaxation delay pumps the magnetization to 1H with…”
Get full text

Inhibitory effects of vialinin A and its analog on tumor necrosis factor-α release and production from RBL-2H3 cells by Onose, Jun-ichi, Yoshioka, Yasukiyo, Ye, Yue Qi, Sugaya, Kouichi, Yajima, Arata, Taniguchi, Kayoko, Okada, Kiyoshi, Yajima, Shunsuke, Takahashi, Shunya, Koshino, Hiroyuki, Abe, Naoki

“…► Vialinin A and DMT inhibited TNF-α release in a dose-dependent manner. ► Vialinin A and DMT inhibited TNF-α production at low concentration. ► Vialinin A and…”
Get full text

Ubiquitin-Specific Peptidase 5, a Target Molecule of Vialinin A, Is a Key Molecule of TNF-[alpha] Production in RBL-2H3 Cells by Yoshioka, Yasukiyo, Ye, Yue Qi, Okada, Kiyoshi, Taniguchi, Kayoko, Yoshida, Ayaka, Sugaya, Kouichi, Onose, Jun-ichi, Koshino, Hiroyuki, Takahashi, Shunya, Yajima, Arata, Yajima, Shunsuke, Abe, Naoki

“…Tumor necrosis factor alpha (TNF-[alpha]), a central mediator of the inflammatory response, is released from basophilic cells and other cells in response to a…”
Get full text