Zobrazeno 1 - 10
of 97
pro vyhledávání: '"Yasuo Hatanaka"'
Publikováno v:
Chemical Communications. 53:8996-8999
A catalytic enantioselective aza-Diels-Alder reaction of unactivated acyclic dienes with aryl-, alkenyl-, and alkyl-substituted imines is described. With 5-10 mol% loadings of a new Brønsted acid catalyst, the aza-Diels-Alder reaction of unactivated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f05b15ebfb9958ded9484f4364142f48
https://doi.org/10.1039/c7cc03010j
https://doi.org/10.1039/c7cc03010j
Publikováno v:
Tetrahedron Letters. 57:2985-2989
Epi-quinine-catalyzed asymmetric nitro-Michael addition of furanones to β,β,-disubstituted nitroalkenes is described. The reaction proceeded smoothly with 1–5 mol % loadings of epi-quinine catalysts at room temperature, giving the corresponding M
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de8d2d4f04b605f5d1cfe03e8e22a262
https://doi.org/10.1016/j.tetlet.2016.05.093
https://doi.org/10.1016/j.tetlet.2016.05.093
Publikováno v:
Organometallics. 32:3575-3582
The synthesis and structures of silaoxazolinium salts 2 and their application to the catalytic Mukaiyama aldol reaction are described. The reaction of (N-amidomethyl)dimethylchlorosilane (1a) or (N-amidomethyl)bis(trimethylsilyl)chlorosilane (1b) wit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c06b8f27d79ddb676b91c7d165fe9449
https://doi.org/10.1021/om400017f
https://doi.org/10.1021/om400017f
Publikováno v:
ChemInform. 47
Epi-quinine-catalyzed asymmetric nitro-Michael addition of furanones to β,β,-disubstituted nitroalkenes is described. The reaction proceeded smoothly with 1–5 mol % loadings of epi-quinine catalysts at room temperature, giving the corresponding M
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e2943c1fb4ca7569393e63113d20ec57
https://doi.org/10.1002/chin.201643101
https://doi.org/10.1002/chin.201643101
Publikováno v:
ChemInform. 47
Catalyst-controlled switching of diastereoselectivity from high syn-selectivity (>98/2 dr, syn) to anti-selectivity (up to 96/4 dr, anti) of the asymmetric nitro-Michael reaction of furanones is described. Anti-diastereoselectivity of the nitro-Micha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e046751b780bcf1848f94ed8487fb4be
https://doi.org/10.1002/chin.201627123
https://doi.org/10.1002/chin.201627123
Publikováno v:
Organic letters. 18(4)
Catalyst-controlled switching of diastereoselectivity from high syn-selectivity (>98/2 dr, syn) to anti-selectivity (up to 96/4 dr, anti) of the asymmetric nitro-Michael reaction of furanones is described. Anti-diastereoselectivity of the nitro-Micha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::93fae27a6fc56652719afcf227d4aad5
https://pubmed.ncbi.nlm.nih.gov/30457339
https://pubmed.ncbi.nlm.nih.gov/30457339
Publikováno v:
ChemInform. 46
A novel epi-quinine-derived organocatalyst is applied to the asymmetric nitro-Michael reaction of furanones, giving the Michael adducts in remarkably high diastereo- and enantioselectivity.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::88f208874e8d769d241cc4202f446579
https://doi.org/10.1002/chin.201544028
https://doi.org/10.1002/chin.201544028
Publikováno v:
Organic letters. 17(12)
High catalytic activity of novel epi-quinine-derived 3,5-bis(CF3)benzamide in the asymmetric nitro-Michael reaction is described. With 0.1-5 mol % loadings of this catalyst, the addition of 5-substituted 2(3-H)-furanones to a wide range of nitroalken
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::93c80ceb5782b77a9c8acd8474cc9210
https://pubmed.ncbi.nlm.nih.gov/26066417
https://pubmed.ncbi.nlm.nih.gov/26066417
Autor:
Yasuo Hatanaka
Publikováno v:
Journal of Organometallic Chemistry. 685:207-217
Synthesis, structures, and electronic properties of silicon polymers and oligomers having hypervalent silicon moieties, polar substituents, or transition metal moieties are reported. UV spectra of pentacoordinate silicon oligomers reveal that the int
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6f39a4be2e53f7d424321edfa0c31c19
https://doi.org/10.1016/s0022-328x(03)00652-1
https://doi.org/10.1016/s0022-328x(03)00652-1
Publikováno v:
ChemInform. 45
NMR Studies reveal that chiral pentacoordinate silyl triflimides derived from BINOL derivatives (I) with a silicon stereogenic center are highly configurationally unstable.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::02683b4e6fdbb6fbc50a197e3ee28d3b
https://doi.org/10.1002/chin.201416034
https://doi.org/10.1002/chin.201416034