Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Emil M. Georgiev"'
Autor:
Nicholas J. Wolf, Emil M. Georgiev, H. Fred Koch, Alexander T. Yordanov, Bruce R. Whittlesey, D. Max Roundhill
Publikováno v:
Polyhedron. 18:885-896
The calixarene amides 5,11,17,23- tert -butyl-25,27-(carbamoylmethoxy) calix[4]arene 1 , 5,11,17,23- tert -butyl-25,27-( N , N -diethyl-2-carbamoylmethoxy) calix[4]arene 3 , 5,11,17,23- tert -butyl-25,27-methoxy-26,28-( N , N -diethyl-2-carbamoyletho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ca67930f189b7831466b52c87f1976cd
https://doi.org/10.1016/s0277-5387(98)00375-1
https://doi.org/10.1016/s0277-5387(98)00375-1
Autor:
Alexander T. Yordanov, Emil M. Georgiev, H. Fred Koch, D. Max Roundhill, Nicholas J. Wolf, Olusegun M. Falana
Publikováno v:
Comments on Inorganic Chemistry. 20:163-175
Calix[4]arenes with 2-methylthioethoxy, 2-thiophenecarboxyethoxy, 2-N,N-dimethyl-dithiocarbamoylethoxy and 2-mercaptoethoxy groups on the lower rim, and with methanethiomethyl and N,N-dimethyldithiocarbamoylmethyl groups on the upper rim, have been u
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dc40d5528780d41181fa67dd80767110
https://doi.org/10.1080/02603599908021442
https://doi.org/10.1080/02603599908021442
Autor:
D. Max Roundhill, Emil M. Georgiev
Publikováno v:
Inorganica Chimica Acta. 258:93-96
The compound 5,11,17,23-tert-butyl-25,26,27,28-carbomoyloxymethoxycalix[4]arene (1) has been evaluated as a ligand for potential use as a magnetic resonance imaging agent with gadolinium(III). The assessment procedures include high fueld relaxitivity
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7894b6c5b003f3effad8dc1020859b5
https://doi.org/10.1016/s0020-1693(96)05489-8
https://doi.org/10.1016/s0020-1693(96)05489-8
Publikováno v:
Polyhedron. 16:1581-1584
The compound 5,11,17,23-tetra-tert-butyl-25,27-bis(2-aminoethoxy)-26,28-dihydroxycalix[4]arene ( 2 ) has been synthesized by the borane reduction of 5,11,17,23-tetra-tert-butyl-25,27-bis(2-dicyanomethoxy)-26,28-dihydroxycalix[4]arene ( 1 ). The proto
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e1797fd3bc0d44c4d65ae48f224d005
https://doi.org/10.1016/s0277-5387(96)00410-x
https://doi.org/10.1016/s0277-5387(96)00410-x
Publikováno v:
Inorganica Chimica Acta. 227:293-296
A series of new 2-aminoethoxy and carbamoyloxy substituted calix[4]arenes and calix[6]arenes has been synthesized and used to complex Eu3+ and Tb3+ ions. Emissive complexes in methanol solvent are obtained. The Tb3+ complexes are strongly emissive fr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f22165cb4ae9357a3e3ef117f0a6507
https://doi.org/10.1016/s0020-1693(00)84023-2
https://doi.org/10.1016/s0020-1693(00)84023-2
Publikováno v:
Journal of Organometallic Chemistry. 482:39-44
The hydrogenolysis of carbon tetrachloride to chloroform, and of trichlorofluoromethane to hydrodichlorofluoromethane, are catalysed by the complexes RuCl 2 (PPh 3 ) 3 and RuCl 2 (dppe) 2 . The conversion of carbon tetrachloride into chloroform is mo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::479e0ec09fb87f3517ed4b3fbc3077b9
https://doi.org/10.1016/0022-328x(94)88181-2
https://doi.org/10.1016/0022-328x(94)88181-2
Publikováno v:
The Journal of Organic Chemistry. 59:5990-5998
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ccc55b780a8b99239c0164d9bbab3768
https://doi.org/10.1021/jo00099a032
https://doi.org/10.1021/jo00099a032
Publikováno v:
Phosphorus, Sulfur, and Silicon and the Related Elements. 92:101-107
Primary diamines have been alkylated by esters of phosphonic, methanephosphonic and phosphoric acids, and the reaction products characterized by a combination of 1H, 31P and 13C NMR spectroscopy. The diamines undergo either single or multiple alkylat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fe3fed1b3738b3afd1d530f7f8098bd0
https://doi.org/10.1080/10426509408021462
https://doi.org/10.1080/10426509408021462
Publikováno v:
Phosphorus, Sulfur, and Silicon and the Related Elements. 88:139-145
It has been shown by 1H NMR spectroscopy that alkylmethylammonium salts of monomethyl esters of phosphonic acids having the general formula [RN+H2CH3][−OPH(O)(OCH3)] are unstable. At ambient temperature these salts convert into the corresponding al
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::97a8fa393953385211d442ae9d043b61
https://doi.org/10.1080/10426509408036914
https://doi.org/10.1080/10426509408036914
Autor:
Koljo Troev, D. Max Roundhill, Emil M. Georgiev, Krassimir Kossev, Galina Todorova, Raina Tzevi
Publikováno v:
Die Makromolekulare Chemie. 194:3261-3269
Poly(alkylene phosphate)s of low molecular weight were synthesized by polytransesterification of dialkyl phosphonates with poly(ethylene glycol)s (PEG). These poly(alkylene phosphonate)s were then converted into poly(alkylene phosphate)s by using the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d96c67a4a8611fc86e9051b36aa389bd
https://doi.org/10.1002/macp.1993.021941205
https://doi.org/10.1002/macp.1993.021941205