Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Norbert Krass"'
Autor:
Norbert Krass, Dieter Isert, Rolf Horlein, Fischer Gerd, Theo Wollmann, Uwe Gerlach, Ulrich Stache, Elisabeth Defoßa, Rudolf Lattrell
Publikováno v:
Liebigs Annalen. 1996:1743-1749
HR 916 K (5), the 1-(S)-(pivaloyloxy)ethyl prodrug ester of the cephalosporin cefdaloxime, exhibits a significantly higher oral bioavailability than the 1-(R) diastereomer HR 916 J. An efficient synthesis of HR 916 K was developed. The separation of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7ced9b6c375c1c441b4b7c9c015448a6
https://doi.org/10.1002/jlac.199619961107
https://doi.org/10.1002/jlac.199619961107
Publikováno v:
Tetrahedron Letters. 34:289-292
The Michael addition of optically active 3, 4-diphenyloxazolidinone 5 to 2′-substituted 2-chloro-2-cyclopropylideneacetates yields 2′-substituted 2-cyclopropyl-1′-(2-oxo-3, 4-diphenyloxazolidin-3-yl)acetates 6-R with excellent trans-selectivity
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6479ab477258ae058535a4f0978c484b
https://doi.org/10.1016/s0040-4039(00)60569-5
https://doi.org/10.1016/s0040-4039(00)60569-5
Publikováno v:
ChemInform. 23
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cae7956f6336e254d90b5a0bc6157a64
https://doi.org/10.1002/chin.199229252
https://doi.org/10.1002/chin.199229252
Publikováno v:
Chemische Berichte. 125:867-882
Alkyl 2-chloro-2-cyclopropylideneacetates 2 serve as universal starting materials for a new general synthesis of cyclopro-pylglycines by a simple three- to four-step methodology. 1,4-Addition of nucleophiles, substitution with azide ion, and mild cat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f8968ac8c7597ae3cf3128c1570a046a
https://doi.org/10.1002/cber.19921250418
https://doi.org/10.1002/cber.19921250418
Publikováno v:
Synlett. 1992:962-964
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4820aae7b8739175e514221410fa9b0e
https://doi.org/10.1055/s-1992-21545
https://doi.org/10.1055/s-1992-21545
Publikováno v:
Synlett. 1991:39-40
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0bd0e2d0cb504b1ee416976a16fd2d66
https://doi.org/10.1055/s-1991-20621
https://doi.org/10.1055/s-1991-20621
Publikováno v:
Strain and Its Implications in Organic Chemistry ISBN: 9789401069076
Cyclopropane amino acids have attracted the attention of synthetically and biologically oriented chemists throughout the last decade. Most efforts have been directed towards 1-aminocyclopropane carboxyclic acid (ACC), the natural precursor of the phy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f335e137ab26ea90588447fea6e5305
https://doi.org/10.1007/978-94-009-0929-8_42
https://doi.org/10.1007/978-94-009-0929-8_42
Publikováno v:
Diabetes, Obesity & Metabolism; Mar2018, Vol. 20 Issue 3, p709-717, 9p