Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Akitake Yamaguchi"'
Publikováno v:
Molecules, Vol 17, Iss 2, Pp 1617-1634 (2012)
Catalytic asymmetric Corey-Chaykovsky epoxidation of various ketones with dimethyloxosulfonium methylide using a heterobimetallic La-Li3-BINOL complex (LLB) is described. The reaction proceeded smoothly at room temperature in the presence of achiral
Externí odkaz:
https://doaj.org/article/4f5a8b2253ff441b9c0014d4a39419d3
Publikováno v:
Chemical Communications. 55:10567-10570
Macrocyclization of linear peptide precursors using the Petasis borono-Mannich reaction affords a diverse range of macrocycles with an endocyclic amine. Analysis of the corresponding macrocyclic structures underscores that the hydrogen bond between a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::938471ce508306b5957c8ef6f48fa64f
https://doi.org/10.1039/c9cc05934b
https://doi.org/10.1039/c9cc05934b
Publikováno v:
Molecules, Vol 17, Iss 2, Pp 1617-1634 (2012)
Molecules
Molecules; Volume 17; Issue 2; Pages: 1617-1634
Molecules
Molecules; Volume 17; Issue 2; Pages: 1617-1634
Catalytic asymmetric Corey-Chaykovsky epoxidation of various ketones with dimethyloxosulfonium methylide using a heterobimetallic La-Li3-BINOL complex (LLB) is described. The reaction proceeded smoothly at room temperature in the presence of achiral
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::99c952de58d098a2e6def950576b4757
http://www.mdpi.com/1420-3049/17/2/1617/
http://www.mdpi.com/1420-3049/17/2/1617/
Autor:
Shinya Handa, Noriyuki Yamagiwa, Mari Sugita, Akitake Yamaguchi, Shigeki Matsunaga, Masakatsu Shibasaki
Publikováno v:
Bulletin of the Chemical Society of Japan. 79:1906-1912
Full details of syn-selective catalytic asymmetric direct Mannich-type reactions of aromatic and heteroaromatic hydroxy ketones promoted by Y[N(SiMe3)2]3/linked-BINOL complexes are described. From ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ba9c0df28509782c628c7aa39206ec35
https://doi.org/10.1246/bcsj.79.1906
https://doi.org/10.1246/bcsj.79.1906
Publikováno v:
Tetrahedron Letters. 47:3985-3989
A direct catalytic asymmetric Mannich-type reaction of isomerizable aliphatic imines is described. A Et2Zn/(S,S)-linked-BINOL complex was suitable for chemoselective enolate formation from a hydroxyketone in the presence of isomerizable aliphatic N-d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3b407767475bd99242a9872a3c0ccf47
https://doi.org/10.1016/j.tetlet.2006.04.016
https://doi.org/10.1016/j.tetlet.2006.04.016
Autor:
Shinji Harada, Akitake Yamaguchi, Shigeki Matsunaga, Hiroyuki Morimoto, Zhihua Chen, Masakatsu Shibasaki, Sean H. Wiedemann
Publikováno v:
Angewandte Chemie International Edition. 45:3146-3150
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::044e36af136773447344acb5ab9388ac
https://doi.org/10.1002/anie.200600227
https://doi.org/10.1002/anie.200600227
Autor:
Shigeki Matsunaga, Shinya Handa, Noriyuki Yamagiwa, Mari Sugita, Masakatsu Shibasaki, Akitake Yamaguchi
Publikováno v:
Organic Letters. 7:5339-5342
Chiral Y{N(SiMe3)2}3/linked-BINOL catalyst generated Y-enolate in situ from various hydroxyketones (R2 = aryl, heteroaryl). β-Amino-α-hydroxy ketones (R1 = aryl, heteroaryl, alkenyl) were obtained ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d89078113dd4f1563ba04e10d9ad8dba
https://doi.org/10.1021/ol052384+
https://doi.org/10.1021/ol052384+
Publikováno v:
ChemInform. 41
A Ba-catalyzed dynamic kinetic asymmetric transformation (DYKAT) involving a direct aldol/retro-aldol reaction of β,γ-unsaturated ester donors is described. A Ba(O-iPr)2/BINOL complex promoted the direct aldol reaction/isomerization sequence, and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2083bd8da4699afe8899372532a6b789
https://doi.org/10.1002/chin.201001089
https://doi.org/10.1002/chin.201001089
Publikováno v:
Journal of the American Chemical Society. 131(31)
A Ba-catalyzed dynamic kinetic asymmetric transformation (DYKAT) involving a direct aldol/retro-aldol reaction of beta,gamma-unsaturated ester donors is described. A Ba(O-iPr)(2)/BINOL complex promoted the direct aldol reaction/isomerization sequence
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::07598c88e37aec34f3bfce81d09436dc
https://pubmed.ncbi.nlm.nih.gov/19722664
https://pubmed.ncbi.nlm.nih.gov/19722664
Publikováno v:
ChemInform. 39
Catalytic asymmetric Corey−Chaykovsky epoxidation of ketones with dimethyloxosulfonium methylide 2 using an LLB 1a + Ar3P═O complex proceeded smoothly at room temperature, and 2,2-disubstituted terminal epoxides were obtained in high enantioselec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a0d4803aae5ba5d54a7d04cc335cbb9
https://doi.org/10.1002/chin.200849095
https://doi.org/10.1002/chin.200849095