Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Shinji Nishii"'
Publikováno v:
Tetrahedron. 56:2821-2831
The diastereoselectivity in the conjugate addition of organocopper reagents to γ-aryl α,β-unsaturated carbonyl derivatives 8–14 was investigated. The syn -diastereoselectivity was obtained irrespective of the reagents type in the addition of 8,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f1dcca92cdb7bba47018a0eeb2395929
https://doi.org/10.1016/s0040-4020(00)00137-x
https://doi.org/10.1016/s0040-4020(00)00137-x
Publikováno v:
ChemInform. 23
The chiral steroidal acetals 2(S–R, R isomer) and 3(S–S, S isomer) were prepared from the reaction of the steroidal aldehyde 1 with (2R, 4R)-(–)-pentane-2,4-diol and with (2S, 4S)-(+)-pentane-2,4-diol, respectively. The TiCl4 mediated reaction
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::22221301eff5c8a8e7505090517f24dc
https://doi.org/10.1002/chin.199212252
https://doi.org/10.1002/chin.199212252
Publikováno v:
ChemInform. 24
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f9b82bdd97fcbd687ec9b1fbdae4d5a
https://doi.org/10.1002/chin.199303111
https://doi.org/10.1002/chin.199303111
Publikováno v:
Journal of the American Chemical Society. 114:7652-7660
Systematic investigations of the diatereoselectivity of organocopper conjugate addition to γ-alkoxy trans enoates (3), cis enoates (4), and diesters (5) revealed that the selectivity highly depended on the substrate structure and the reagent type. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::556159729558f227f0225061f4b01263
https://doi.org/10.1021/ja00046a008
https://doi.org/10.1021/ja00046a008
Publikováno v:
ChemInform. 32
The diastereoselectivity in the conjugate addition of organocopper reagents to γ-aryl α,β-unsaturated carbonyl derivatives 8–14 was investigated. The syn -diastereoselectivity was obtained irrespective of the reagents type in the addition of 8,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b1f62d35d5885fe90bcac002266b1f52
https://doi.org/10.1002/chin.200114067
https://doi.org/10.1002/chin.200114067
Publikováno v:
ChemInform. 21
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::73206c3b00c034bac23e4497f786b487
https://doi.org/10.1002/chin.199005221
https://doi.org/10.1002/chin.199005221
Publikováno v:
The Journal of Organic Chemistry. 54:4055-4061
La reaction de t-butyldimethylsiloxy mesyloxy pentene-2oate ou -butyrate de methyle avec des cuprates donne les t-butyldimethylsiloxy alkyl pentene-3oates ou -hexene-3oates de methyle. La reaction est effectuee egalement sur des pentoses proteges en
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e4bb4392398dd1f8d576bc49d66104b
https://doi.org/10.1021/jo00278a015
https://doi.org/10.1021/jo00278a015
Publikováno v:
Journal of the American Chemical Society. 111:4864-4872
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::142e80f3bb56a873e8730f344425089f
https://doi.org/10.1021/ja00195a045
https://doi.org/10.1021/ja00195a045
Autor:
Yoshinori Yamamoto, Shinji Nishii
Publikováno v:
The Journal of Organic Chemistry. 53:3597-3603
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e0da47e053ae69e19155345ec778d760
https://doi.org/10.1021/jo00250a034
https://doi.org/10.1021/jo00250a034
Publikováno v:
The Journal of Organic Chemistry. 53:3947-3952
La reaction de t-butyldimethylsiloxy-3α pregnenes-17(20)- et -pregnadienes-5,17(20)oates d'ethyle avec des agents alkylants fournit principalement des methyl-20(S) pregnenes-16 ou -pregnadienes-5,16
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c4a17643b42175ba54ec3bb87c629d26
https://doi.org/10.1021/jo00252a013
https://doi.org/10.1021/jo00252a013