Zobrazeno 1 - 10
of 39
pro vyhledávání: '"N. P. Erchak"'
Publikováno v:
Chemistry of Heterocyclic Compounds. 31:553-556
A series of azomethine derivatives was obtained by condensation of 2-thiophenaldehyde and 5-substituted (alkyl, bromine, tert-butyl, trimethylsilyl)-2-thiophenaldehydes withsemicarbazide, thiosemicarbazide, aminohydantoin, and 2-semicarbazide acetic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff2cb5e777f1118aafed989f8a22e99f
https://doi.org/10.1007/bf01166328
https://doi.org/10.1007/bf01166328
Publikováno v:
Chemistry of Heterocyclic Compounds. 30:279-282
The condensation of diamines with the corresponding aldehydes gave bis(2-thenylidene)diamines and their silyl derivatives. The structure of the compounds has been confirmed by their PMR spectra. It has been shown that the introduction of the trimethy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e8a48bd10652ce4ca6fef43ef5a3547e
https://doi.org/10.1007/bf01165691
https://doi.org/10.1007/bf01165691
Publikováno v:
Chemistry of Heterocyclic Compounds. 29:1277-1280
The electronic structure of the pyridine molecule has been investigated by x-ray emission spectroscopy. The NKαy and CKαy emission spectra have been measured. Ab initio and MNDO calculations have been carried out and individual bands in the spectra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::73fe639bb9c775fe61daf04906ec5de5
https://doi.org/10.1007/bf00532024
https://doi.org/10.1007/bf00532024
Publikováno v:
Organic Mass Spectrometry. 28:1309-1312
The interaction of the π electron system of furyl and thienyl substituents with the silicon (or germanium) atom is less significant in fragmentation under fast atom bombardment than under electron impact. Under fast atom bombardment the primary frag
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::51678b08313ad7e075c4ca8898d66f28
https://doi.org/10.1002/oms.1210281104
https://doi.org/10.1002/oms.1210281104
Publikováno v:
Chemistry of Heterocyclic Compounds. 29:1142-1146
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5bbb6dd01165e6ac97327d2b98594e7a
https://doi.org/10.1007/bf00538057
https://doi.org/10.1007/bf00538057
Publikováno v:
Chemistry of Heterocyclic Compounds. 29:1012-1016
The electronic structure of the furan molecule was investigated by x-ray spectroscopy. A quantum-chemical calculation (ab initio) was undertaken, and the results were compared with the experimental data. The interpretation of the x-ray spectra of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::471ae5ba3b2ef315feb16b979bd3b3e7
https://doi.org/10.1007/bf00534383
https://doi.org/10.1007/bf00534383
Publikováno v:
Chemistry of Heterocyclic Compounds. 29:926-931
Successive alkylation of 3-pyridinecarboxaldehyde with allyl bromide and reaction of 1-allyl-3-formylpyridinium bromide with thiosemicarbazide gave 1-allyl-3-formylpyridinium bromide semicarbazone. X-ray diffraction analysis and quantum-chemical calc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9bace9c543173234e167d772112cb4c8
https://doi.org/10.1007/bf00534271
https://doi.org/10.1007/bf00534271
Publikováno v:
ChemInform. 25
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::70399f6fd686aab89b63613cbb56584d
https://doi.org/10.1002/chin.199433212
https://doi.org/10.1002/chin.199433212
Publikováno v:
ChemInform. 26
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d12579bb8a3b8f2142f6162be96b5714
https://doi.org/10.1002/chin.199512139
https://doi.org/10.1002/chin.199512139
Publikováno v:
ChemInform. 27
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a51766c4fc2c0c3d4b1868dfebd7e00f
https://doi.org/10.1002/chin.199604143
https://doi.org/10.1002/chin.199604143