Výsledky vyhledávání - "Masako Akaji"

Solution Structure of Intracellular Signal-Transducing Peptide Derived from Human β2-Adrenergic Receptor

Autor: Yuji Kobayashi, Masako Akaji, Tooru Taga, Osamu Matsumoto, Ayumu Okuda, Tadayasu Ohkubo

Publikováno v: Biochemical and Biophysical Research Communications. 291:1297-1301

The structure of intracellular third loop peptide (betaIII-2: RRSSKFCLKEKKALK) was studied by CD and NMR spectroscopy. According to the CD study, this peptide forms a helix in the TFE solution. The three-dimensional molecular structure in TFE was det

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a8976847e0ddf412a3129e9f84956553
https://doi.org/10.1006/bbrc.2002.6606

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Synthesis of cyclic RGD derivatives via solid phase macrocyclization using the Heck reaction

Autor: Masako Akaji, Kenta Teruya, Saburou Aimoto, Kenichi Akaji

Publikováno v: Tetrahedron. 57:2293-2303

A novel intramolecular macrocyclization reaction on a solid support using the Heck reaction has been achieved. For head to tail cyclization on a solid support, the linear precursor was anchored to a chlorotrityl chloride resin via an ester linkage us

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::298c2615b8c96fe6e976c4ca188f6797
https://doi.org/10.1016/s0040-4020(01)00113-2

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One-pot transformation of p-toluenesulfonates of 2,3-epoxy alcohols into allyic alcohols

Autor: Nobutaka Fujii, Hiromu Habashita, Takeshi Kawasaki, Hirokazu Tamamura, Masako Akaji, Tetsutaro Kimachi, Toshiro Ibuka

Publikováno v: Tetrahedron Letters. 38:8307-8310

A convenient and efficient method for the synthesis of synthetically useful non-racemic allylic alcohols from 4-methylbenzenesulfonates of non-racemic 2,3-epoxy alcohols is described. Satisfactory yields are obtained by treatment of 4-methylbenzenesu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ce8f9df7701b474532bbfaaedd196825
https://doi.org/10.1016/s0040-4039(97)10208-8

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A Thermodynamic Preference of Chiral N-Methanesulfonyl and N-Arenesulfonyl 2,3-cis-3-Alkyl-2-Vinylaziridines over Their 2,3-Trans-Isomers: Useful Palladium(0)-Catalyzed Equilibration Reactions for the Synthesis of (E)-Alkene Dipeptide Isosteres

Autor: Kazuo Nakai, Nobutaka Fujii, Hiroaki Ohno, Hirokazu Tamamura, Norio Mimura, Yoshinori Yamamoto, Hiroshi Aoyama, Tooru Taga, Masako Akaji, Toshiro Ibuka, Yoshihisa Miwa

Publikováno v: The Journal of Organic Chemistry. 62:999-1015

Palladium(0)-catalyzed reactions of N-methanesulfonyl- or N-(arenesulfonyl)-3-alkyl-2-vinylaziridines reveal that 2,3-cis-isomers are more stable than the corresponding 2,3-trans-isomers in accord ...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bf754c4afd4a68b5e2c7fbb768cf6ece
https://doi.org/10.1021/jo961760o

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An aza-Payne rearrangement-epoxide ring opening reaction of 2-aziridinemethanols in a one-pot manner: A regio- and stereoselective synthetic route to diastereomerically pure N-protected 1,2-amino alcohols

Autor: Nobutaka Fujii, Toshiro Ibuka, Masako Akaji, Hirokazu Tamamura, Kazuo Nakai, Yoshinori Yamamoto

Publikováno v: Tetrahedron. 52:11739-11752

A regio- and stereoselective synthetic route to diastereomerically pure 1,2-amino alcohols via a one-pot aza-Payne rearrangement - epoxide ring opening reaction of 2-aziridinemethanols is reported.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e14947baf497bff0097978eaf8e67a63
https://doi.org/10.1016/0040-4020(96)00682-5

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A thermodynamic preference of chiral cis-γ,δ-epimino-(E)-α,β-unsaturated esters over other stereoisomers: Synthetically useful Pd(0)-catalyzed equilibrated reactions of aziridines bearing an α,β-unsaturated ester group

Autor: Toshiro Ibuka, Yoshinori Yamamoto, Hirokazu Tamamura, Norio Mimura, Nobutaka Fujii, Kazuo Nakai, Masako Akaji, Hiromu Habashita

Publikováno v: Tetrahedron Letters. 37:2849-2852

A practical synthesis of chiral N -arylsulfonyl- cis - γ , δ -epimino-( E )- α , β -enoates, key intermediates for the synthesis of ( E )-alkene dipeptide isosteres via Pd(0)-catalyzed equilibrated reactions, has been successfully achieved by exp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::df017879395720115c59ca8f0c7f7760
https://doi.org/10.1016/0040-4039(96)00403-0

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Monoterpenoid and phenylethanoid glycosides from Ligustrum pedunculare

Autor: Masako Akaji, Kenichiro Inoue, Zheng-Dan He, Tetsuro Fujita, Chong-Ren Yang, Shinichi Ueda

Publikováno v: Phytochemistry. 36:709-716

Two new phenylethanoid glycosides, lipedosides A-I and A-II as well as six new monoterpene glycosides, lipedosides B-I-B-VI were isolated together with three known constituents, osmanthuside B, anatolioside and linalool from Ligustrum pedunculare. Th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c1ff5fa11712b4d0f32e28db42cc3a96
https://doi.org/10.1016/s0031-9422(00)89802-7

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Secoiridoid glucosides from Fraxinus malacophylla

Autor: Kenichiro Inoue, Yang Chong-ren, Shinichi Ueda, Masako Akaji, He Zheng-Dan, Tetsuro Fujita

Publikováno v: Phytochemistry. 35:177-181

Two new secoiridoid glucosides, butyl isoligustrosidate and fraximalacoside, were isolated from the leaves pf Fraxinus malacophylla, together with the known constituents, isoligustroside, fraxiformoside, isoligustrosidic acid, 1'''-0-beta-D-glucosylf

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8f5218ab243633029eea89bd79d7e06c
https://doi.org/10.1016/s0031-9422(00)90529-6

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