Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Masahiro Bougauchi"'
Autor:
Masakatsu Shibasaki, Yukari Kobayashi, Takayoshi Arai, Hiroaki Sasai, Masahiro Bougauchi, Shizue Watanabe
Publikováno v:
Tetrahedron Letters. 39:7353-7356
The Yb-BINOL-complex-catalyzed enantioselective epoxidation of α,β-unsaturated ketones (enones) was greatly improved by addition of a small amount of water (ca. 5 equiv to Yb). Optimized conditions and a plausible mechanism of the role of water and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b06d0b76fee3da902e706d357a60f427
https://doi.org/10.1016/s0040-4039(98)01578-0
https://doi.org/10.1016/s0040-4039(98)01578-0
Publikováno v:
Tetrahedron Letters. 38:2717-2720
LaLi 3 tris(binaphthoxide) catalyst (LLB), which is prepared from LaCl 3 ·7H 2 O (1 mol equiv), ( R )- or ( S )-BINOL dilithium salt (2.7 mol equiv), and NaO- t -Bu (0.3 mol equiv), is effective for the hydrophosphonylation of various aldehydes to g
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b07048260b703ec986812096b30331cf
https://doi.org/10.1016/s0040-4039(97)00437-1
https://doi.org/10.1016/s0040-4039(97)00437-1
Autor:
Takeshi Nishiguchi, Masahiro Bougauchi
Publikováno v:
ChemInform. 22
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8f4d765e18eb9d53476e28bcc41dd41
https://doi.org/10.1002/chin.199107077
https://doi.org/10.1002/chin.199107077
Publikováno v:
ChemInform. 27
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8dfa28ec5ef55119139822d70e689645
https://doi.org/10.1002/chin.199636183
https://doi.org/10.1002/chin.199636183
Publikováno v:
ChemInform. 28
LaLi 3 tris(binaphthoxide) catalyst (LLB), which is prepared from LaCl 3 ·7H 2 O (1 mol equiv), ( R )- or ( S )-BINOL dilithium salt (2.7 mol equiv), and NaO- t -Bu (0.3 mol equiv), is effective for the hydrophosphonylation of various aldehydes to g
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::714115ff84ab382b835f077e6379af48
https://doi.org/10.1002/chin.199731052
https://doi.org/10.1002/chin.199731052
Autor:
Yukari Kobayashi, Hiroaki Sasai, Takayoshi Arai, Masakatsu Shibasaki, Shizue Watanabe, Masahiro Bougauchi
Publikováno v:
ChemInform. 29
The Yb-BINOL-complex-catalyzed enantioselective epoxidation of α,β-unsaturated ketones (enones) was greatly improved by addition of a small amount of water (ca. 5 equiv to Yb). Optimized conditions and a plausible mechanism of the role of water and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b6de9e57c208de4e6a5ab7224359bf14
https://doi.org/10.1002/chin.199851122
https://doi.org/10.1002/chin.199851122
Publikováno v:
ChemInform. 30
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40c3534a129e3663baa4b66d28ed6a23
https://doi.org/10.1002/chin.199914124
https://doi.org/10.1002/chin.199914124
Publikováno v:
Tetrahedron Letters. 33:1629-1632
Porphyrins substituted with four sugar moieties are prepared, which are freely soluble in water and show the efficient photosensitizing activity.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::792a97760726b75a264adaa20bd9b415
https://doi.org/10.1016/s0040-4039(00)91692-7
https://doi.org/10.1016/s0040-4039(00)91692-7
Autor:
Takeshi Nishiguchi, Masahiro Bougauchi
Publikováno v:
The Journal of Organic Chemistry. 55:5606-5609
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db484406ef63b102d52606ef4795bbce
https://doi.org/10.1021/jo00308a018
https://doi.org/10.1021/jo00308a018
Publikováno v:
Tetrahedron. 46:7483-7496
A new porphyrin synthesis starting from nitroalkenes or their equivalents is described. For example, octaethylporphyrin, coproporphyrin, porphyrin-1,2,3,4,5,6,7,8 octapropionic acid, and 2,7,12,17 tetraarylporphyrin are prepared in good yield from re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::080bc19ed2960111a2aed1c3be85dac7
https://doi.org/10.1016/s0040-4020(01)89062-1
https://doi.org/10.1016/s0040-4020(01)89062-1