Zobrazeno 1 - 6
of 6
pro vyhledávání: '"F. H. Meppelder"'
Autor:
F. H. Meppelder, H. C. Beck
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 94:149-150
The 1H and 31P nmr spectra of the title compounds are reported. The geometrical isomers are assigned from their proton spectra in the vinylene region. A π-interaction between the P atom and the CC bond is indicated by the difference in the geminal P
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3b8e6897ef85428f08bd23abf95ead23
https://doi.org/10.1002/recl.19750940702
https://doi.org/10.1002/recl.19750940702
Publikováno v:
Applied Spectroscopy. 28:146-151
Nuclear magnetic resonance spectra of benzal compounds, Z—C6H4—CH=C(X)Y, have been determined in carbon tetrachloride, chloroform, acetone, and benzene solutions. Group X, trans to the ring, was one of NO2, COOEt, COCH3, CONH2, the series compris
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6526c0f612327ee25ce6e2d9646f6ea2
https://doi.org/10.1366/000370274774332669
https://doi.org/10.1366/000370274774332669
Autor:
H. C. Beck, F. H. Meppelder
Publikováno v:
Chemischer Informationsdienst. 6
The 1H and 31P nmr spectra of the title compounds are reported. The geometrical isomers are assigned from their proton spectra in the vinylene region. A π-interaction between the P atom and the CC bond is indicated by the difference in the geminal P
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6bf27eaf91c5a851c4ba619daf829953
https://doi.org/10.1002/chin.197547323
https://doi.org/10.1002/chin.197547323
Publikováno v:
Chemischer Informationsdienst. Organische Chemie. 1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5a980402764cc2768708076c030a6ba1
https://doi.org/10.1002/chin.197013335
https://doi.org/10.1002/chin.197013335
Publikováno v:
Journal of the Chemical Society D: Chemical Communications. :33b
Stereospecific reactions of optically pure menthyl methylphosphinate with sulphur and with NN-diethylmethanesulphenamide are described.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3929bc008e6fea73f364f20b0ee27be1
https://doi.org/10.1039/c2970000033b
https://doi.org/10.1039/c2970000033b
Publikováno v:
Journal of the Chemical Society D: Chemical Communications. :431
The large difference (4·3 p.p.m.) in the 31P n.m.r. chemical shifts of the epimers of menthyl methyl-phosphinate is explained by assuming unequal π-interactions between the bridge-oxygen atom and the phosphorus atom in the down-conformations.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a1b167df5f6bc3a7cc7d53d9a748497d
https://doi.org/10.1039/c29700000431
https://doi.org/10.1039/c29700000431