Zobrazeno 1 - 10
of 59
pro vyhledávání: '"G. Ya. Kondrat'eva"'
Publikováno v:
Chemistry of Heterocyclic Compounds. 36:989-992
N,N-Disubstituted 2-aminooxazoles in acetic acid at 20°C undergo addition of maleinimide, converting to alkylidene succinimides or 1,2-oxazine derivatives.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::daa5368f9897086e16f225eb731fa753
https://doi.org/10.1007/bf02256987
https://doi.org/10.1007/bf02256987
Publikováno v:
Chemistry of Heterocyclic Compounds. 36:584-592
N,N-Disubstituted 2-aminooxazoles react with maleimide in two directions: heterodiene synthesis with the formation of imides of 2-aminopyridine-3,4-dicarboxylic acids and/or 1,3-cycloaddition, forming imides of 2-amino-5-acyl-Δ1-pyrrolidine-3,4-dica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c54045e6946c04bd635627d3c272243
https://doi.org/10.1007/bf02290850
https://doi.org/10.1007/bf02290850
Publikováno v:
Russian Chemical Bulletin. 49:701-704
Substituted dihydropyrroles were characterized by13C and1H NMR spectra. The spectral patterns of these compounds and reversible hydrogen—deuterium exchange are discussed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8ee0ba079345cffe3e1750ba7193588d
https://doi.org/10.1007/bf02495484
https://doi.org/10.1007/bf02495484
Publikováno v:
ChemInform. 32
N,N-Disubstituted 2-aminooxazoles react with maleimide in two directions: heterodiene synthesis with the formation of imides of 2-aminopyridine-3,4-dicarboxylic acids and/or 1,3-cycloaddition, forming imides of 2-amino-5-acyl-Δ1-pyrrolidine-3,4-dica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d750e27eadbb8c750556f2cbe59123e
https://doi.org/10.1002/chin.200130050
https://doi.org/10.1002/chin.200130050
Publikováno v:
ChemInform. 32
N,N-Disubstituted 2-aminooxazoles in acetic acid at 20°C undergo addition of maleinimide, converting to alkylidene succinimides or 1,2-oxazine derivatives.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cbe240241a89e7d293a1001792159934
https://doi.org/10.1002/chin.200118135
https://doi.org/10.1002/chin.200118135
Publikováno v:
ChemInform. 21
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a67f801c175a42b31c0c1a0391d31eaf
https://doi.org/10.1002/chin.199018150
https://doi.org/10.1002/chin.199018150
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 27:773-777
1. The synthesis of 5-methylphenylamino- and 5-diphenylaminooxazole fromα-N-acylated amino acids and secondary amines of the type C6H5NHR in the presence of dehydrating agents has been carried out. 2. According to the13C NMR and PMR data, the introd
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::184492d0a4cd79d84feeb9274c272cf9
https://doi.org/10.1007/bf00925305
https://doi.org/10.1007/bf00925305
Autor:
L. G. Vorontsova, V. S. Bogdanov, N. E. Agafonov, G. Ya. Kondrat'eva, M. G. Kurella, V. I. Andrianov
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 37:892-896
13C and1H NMR spectroscopy was used to determine the structures of 2-aryl-1,3-dibenzoyl-1, 3-diazabicyclo[3.3.1]nonanes and 2-aryl-1-benzyl-3-benzoyl-1,3-diazabicyclo[3.3.1]nonane. These compounds were found to exist predominantly in the boat-chair c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b3d5c6e7fb45265b893d8183fdf98284
https://doi.org/10.1007/bf00957054
https://doi.org/10.1007/bf00957054
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 29:725-735
1. The structure of the isomeric adducts obtained by condensation of 5-aminooxazoles and 5,5′-bisoxazolylalkylamines with the maleinimide has been established by13C and1H NMR spectroscopy. 2. By means of13C and1H NMR spectroscopy it is possible to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f0a64c1922a3e82197a54ed76baac38a
https://doi.org/10.1007/bf00949675
https://doi.org/10.1007/bf00949675
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 36:2354-2358
1. 5-Ethoxy-4-carbethoxymethyloxazole and 5-ethoxy-2-carbethoxy-4-carbethoxymethyl oxazole take part in condensations with CH2=CHX dienophiles to form 1,4-epoxy-4-ethoxy-1-(H, carbethoxy)-3-carbethoxymethylidene-exo and endo-5-X-piperidines. 2. Diffe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f550497764705c716520a6c3c6f9142
https://doi.org/10.1007/bf00957314
https://doi.org/10.1007/bf00957314