Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Sodium hexamethyldisilazide"'
Autor:
Krishna Hari, Alagiri Kaliyamoorthy, Amritha Rayaroth, Rajat Kumar Singh, A V Kalyanakrishnan
Publikováno v:
Organic & Biomolecular Chemistry. 18:3354-3359
1,1,2-Triarylethanes embedded with an azaarene unit were prepared in a single step at ambient temperature via the sodium hexamethyldisilazide mediated 1,6-conjugate addition of unactivated alkylazaarenes on para-quinone methides (p-QMs). The extent o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::97e211e8921133dbf0ac16d454711476
https://doi.org/10.1039/d0ob00419g
https://doi.org/10.1039/d0ob00419g
Akademický článek
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Publikováno v:
Tetrahedron. 55:13983-13998
The use of enantiomerically pure sultams (+)-1 and (−)-1 as practical chiral auxiliaries for asymmetric alkylation reactions is described in full. Deprotonation of the N-acylated products derived from the auxiliaries with sodium hexamethyldisilazid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa7d98f4c4666971b474688be2229aef
https://doi.org/10.1016/s0040-4020(99)00872-8
https://doi.org/10.1016/s0040-4020(99)00872-8
Publikováno v:
Phosphorus, Sulfur, and Silicon and the Related Elements. 148:11-19
Reactions of 2-aminophosphonium salts with methyliodide in the presence of sodium hexamethyldisilazide(NaHMDS) gave N-methylated phosphonium salts which reacted benzaldehyde and isocyanates in the presence of NaHMDS to give ω-N-methyl-aminoalkenes a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a0f58ffcc06cbe5121079fa38a371b3
https://doi.org/10.1080/10426509908036996
https://doi.org/10.1080/10426509908036996
Publikováno v:
Tetrahedron Letters. 39:5465-5468
Mixed acyclic imides are assembled using amide anions and pentafluorophenyl esters reacted in THF at low temperature. Sodium hexamethyldisilazide deprotonates lactam 4 followed by addition of pentafluorophenyl (PFP) esters to give imides in high yiel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e480b8d56c5f038de400a10f4010629
https://doi.org/10.1016/s0040-4039(98)01112-5
https://doi.org/10.1016/s0040-4039(98)01112-5
Publikováno v:
ChemInform. 31
The use of enantiomerically pure sultams (+)-1 and (−)-1 as practical chiral auxiliaries for asymmetric alkylation reactions is described in full. Deprotonation of the N-acylated products derived from the auxiliaries with sodium hexamethyldisilazid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c87223b78fda8681ce0189fbf0c195b1
https://doi.org/10.1002/chin.200010030
https://doi.org/10.1002/chin.200010030
Publikováno v:
Helvetica Chimica Acta, Vol. 75, No 6 (1992) pp. 1965-1978
Successive treatment of N-acylsultams 3 with sodium hexamethyldisilazide, 1-chloro-1-nitrosocyclohexane (1), and aq. HCl gave diastereoisomerically pure, crystalline N-hydroxyamino-acid derivatives 5. These were converted into various amino acids 7,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a6f4e3008d7d5027ae12316ffdaa2f2b
https://doi.org/10.1002/hlca.19920750622
https://doi.org/10.1002/hlca.19920750622
Autor:
Gilbert Stork, Kang Zhao
Publikováno v:
ChemInform. 20
The iodomethylphosphonium iodide (I) is employed in the Wittig olefination of the aldehydes (II) or (IV) and the ketone (VI) in the presence of sodium hexamethyldisilazide, yielding the target compounds (III), (V), or (VII).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a4f52d348c222c85d73a6919804dcf16
https://doi.org/10.1002/chin.198945106
https://doi.org/10.1002/chin.198945106