Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Keisuke Hosoya"'
Publikováno v:
Chemistry Letters.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80642ba3c99efdced24fea484d3120f2
https://doi.org/10.1246/cl.230106
https://doi.org/10.1246/cl.230106
Publikováno v:
Journal of the American Chemical Society. 143:2699-2704
We report the first enantioselective total syntheses of the hasubanan alkaloid (-)-metaphanine and the norhasubanan alkaloid (+)-stephadiamine. Key features of these syntheses include diastereoselective oxidative phenolic coupling reaction and subseq
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9630cce9ce0e2a3cb5ebbda83227e11d
https://doi.org/10.1021/jacs.1c00047
https://doi.org/10.1021/jacs.1c00047
Autor:
Tatsuya Orihara, Minami Odagi, Ryosuke Tsutsumi, Masaki Kawaguchi, Masahiro Yamanaka, Kazuo Nagasawa, Keisuke Hosoya
Publikováno v:
The Journal of Organic Chemistry. 85:15232-15240
An organocatalytic enantioselective epoxidation of 2,3-disubstituted naphthoquinones with tert-butyl hydroperoxide as an oxidant was developed using a guanidine-urea bifunctional catalyst lacking C2 symmetry, which was designed based upon the insight
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2adf394f46b47f43768a3eecf9edb102
https://doi.org/10.1021/acs.joc.0c02084
https://doi.org/10.1021/acs.joc.0c02084
Publikováno v:
The Journal of organic chemistry. 85(18)
Hydrocarbazole derivatives bearing a quaternary stereogenic center at C4a were synthesized by means of intramolecular oxidative dearomatization of diarylamines using hypervalent iodine in moderate to good yields. The hydrocarbazole bearing a cyclohex
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::353bb76cf7eb17456f66045d6597038b
https://pubmed.ncbi.nlm.nih.gov/32830499
https://pubmed.ncbi.nlm.nih.gov/32830499
Publikováno v:
Tetrahedron Letters. 59:687-696
Guanidine-containing molecules have been employed as organocatalysts, and chiral guanidines have been widely explored as catalysts for mediating asymmetric reactions by constructing an asymmetric reaction environment. Currently, many guanidine-cataly
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3e452f2e4baae1a5423d491d00ab42ec
https://doi.org/10.1016/j.tetlet.2017.12.058
https://doi.org/10.1016/j.tetlet.2017.12.058
Publikováno v:
Synlett. 28:1305-1309
We present an enantioselective synthesis of cis-fused tricyclic 1-tetralones via oxidative kinetic resolution in the presence of cumene hydroperoxide (CHP) and guanidine–bisurea bifunctional organocatalyst. This reaction affords the corresponding
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::375222ae9f1af189ab0991f15e104d79
https://doi.org/10.1055/s-0036-1588151
https://doi.org/10.1055/s-0036-1588151
Autor:
Masaki Kawaguchi, Katsuhiro Nakano, Keisuke Hosoya, Tatsuya Orihara, Masahiro Yamanaka, Minami Odagi, Kazuo Nagasawa
Publikováno v:
Organic Letters; 5/18/2018, Vol. 20 Issue 10, p2811-2815, 5p
Publikováno v:
Journal of Japan Society of Civil Engineers, Ser. D3 (Infrastructure Planning and Management). 71:I_589-I_604
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8860436c07f03755deb207b0b2e71c05
https://doi.org/10.2208/jscejipm.71.i_589
https://doi.org/10.2208/jscejipm.71.i_589
Publikováno v:
Journal of Japan Society of Civil Engineers, Ser. D3 (Infrastructure Planning and Management). 71:I_773-I_784
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3835560ac03799e68aef4afb4e0c1f77
https://doi.org/10.2208/jscejipm.71.i_773
https://doi.org/10.2208/jscejipm.71.i_773
Publikováno v:
Synlett; 2017, Vol. 28 Issue 11, p1305-1309, 5p