Zobrazeno 1 - 10
of 239
pro vyhledávání: '"R A, Dieter"'
Publikováno v:
Exper.Astron. 13 (2002) 101-117
We propose an object detection algorithm which is efficient and fast enough to be used in (almost) real time with the limited computer capacities onboard satellites. For stars below the saturation limit of the CCD detectors it is based on a four neig
Externí odkaz:
http://arxiv.org/abs/astro-ph/0301611
Autor:
Yuan, Shiming, Alme, Johan, R��hrich, Dieter, Richter, Matthias, Ersdal, Magnus Rentsch, Giubilato, Piero, Rinella, Gianluca Aglieri, Velure, Arild, Lupi, Matteo, Schambach, Johann Joachim
A Large Ion Collider Experiment (ALICE) is one of the four major experiments conducted at the CERN Large Hadron Collider (LHC). The ALICE detector is currently undergoing an upgrade for the upcoming Run 3 at the LHC. The new Inner Tracking System (IT
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1431eaf09545b28ed89e9f0e9dc0b7ad
http://arxiv.org/abs/2011.03815
http://arxiv.org/abs/2011.03815
Publikováno v:
Antarctica-A Key To Global Change
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=intech______::ef5bd3b383637f639036b707214eb666
http://www.intechopen.com/articles/show/title/the-climate-of-the-antarctic-peninsula-during-the-twentieth-century-evidence-from-ice-cores
http://www.intechopen.com/articles/show/title/the-climate-of-the-antarctic-peninsula-during-the-twentieth-century-evidence-from-ice-cores
Publikováno v:
The Journal of Organic Chemistry. 81:1391-1400
(Z) Enol triflates 6, 11b-d, (E) enol triflate 11e, and phenol triflate 11a, derived from β-keto esters or 2-carboalkoxy phenols, respectively, react with N-Boc 2-lithiopyrrolidine (5a), N-Boc N-methylaminomethyllithium (5b), or 2-lithio-1,3-dithian
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7d01c8baf9fe0c3cfc9aef2dd9064403
https://doi.org/10.1021/acs.joc.5b02350
https://doi.org/10.1021/acs.joc.5b02350
Autor:
Emmanuel Amoah, R. Karl Dieter
Publikováno v:
The Journal of organic chemistry. 82(6)
Alkyl Grignard reagents (Et, nBu, iPr, cyclohexyl), with the exception of tBuMgCl, undergo exclusive or exceptionally highly regioselective 1,4-addition reactions to α,β–γ,δ-unsaturated ketones, while aryl and heteroaryl Grignard reagents give
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::786af076123cf5de31e3421b4c464068
https://pubmed.ncbi.nlm.nih.gov/28221034
https://pubmed.ncbi.nlm.nih.gov/28221034
Autor:
Alfredo Picado, R. Karl Dieter
Publikováno v:
The Journal of Organic Chemistry. 79:11125-11138
The reactions of (Z)- and (E)-ethyl 2-chloro-3-octenoate (4a and 17) and (E)- and (Z)-diethyl (1-cyano-2-heptenyl)phosphate (21a and 21b) with organocuprates were investigated as potential substrates for preparing γ-substituted α,β-enoates and ene
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a7cbbb8de26661de3b79e0ea2d90fcbe
https://doi.org/10.1021/jo502111c
https://doi.org/10.1021/jo502111c
Autor:
R. Karl Dieter, Ramesh C. Dhakal
Publikováno v:
The Journal of Organic Chemistry. 78:12426-12439
Organozincates or Grignard reagents in the presence of zinc catalysts undergo Michael initiated ring closure (MIRC) reactions with γ,δ-epoxy-α,β-enoates, enones, enesulfones, and enamides to afford 1,2,3-trisubstituted cyclopropanes. The directio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::36e296520c5d309cbe4537cfdb2f90de
https://doi.org/10.1021/jo402075d
https://doi.org/10.1021/jo402075d
Publikováno v:
The Journal of Nursing Administration, 1975 Jun 01. 5(5), 17-26.
Externí odkaz:
https://www.jstor.org/stable/26806048
Publikováno v:
Tetrahedron. 61:3221-3230
Scalemic 2-pyrrolidinylcuprates generated via asymmetric deprotonation of N-Boc-pyrrolidine followed by treatment with THF soluble CuCN·2LiCl react with ω-functionalized vinyl halides to afford 2-alkenyl-N-Boc-pyrrolidines. N-Boc deprotection and c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f959f48420546becdf9f98cb47c04a48
https://doi.org/10.1016/j.tet.2005.01.094
https://doi.org/10.1016/j.tet.2005.01.094
Publikováno v:
The Journal of Organic Chemistry. 70:2109-2119
[reaction: see text] Carbamate deprotonation followed by treatment with CuCN.2LiCl affords alpha-(N-carbamoyl)alkylcuprates which react with propargyl halides, mesylates, tosylates, phosphates, acetates, and epoxides to give alpha-(N-carbamoyl) allen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::60d160dc8e31a54982529dd1bfc61483
https://doi.org/10.1021/jo0481405
https://doi.org/10.1021/jo0481405