Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Ieva R. Politzer"'
Publikováno v:
Journal of Chromatographic Science. 33:316-320
The addition of alpha-, beta-, gamma-, and hydroxypropyl-beta-cyclodextrins to aqueous mobile phases can be used to enhance the migration of p-nitroanilines and their analogues on thin-layer chromatography. Urea, which is used to solubilize the cyclo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::18de9f8d6a585a306fadfde91e3051d8
https://doi.org/10.1093/chromsci/33.6.316
https://doi.org/10.1093/chromsci/33.6.316
Publikováno v:
Talanta. 39:953-958
The addition of β-cyclodextrin and substituted hydroxyethyl and hydroxypropyl-β-cyclodextrins to aqueous urea-containing mobile phases, can be used to enhance the migration of various laser dyes on thin layer chromatography. Selected laser dyes fro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::778ef75173767bde583f576a77078242
https://doi.org/10.1016/0039-9140(92)80277-k
https://doi.org/10.1016/0039-9140(92)80277-k
Autor:
W. Emile Coleman, Keith Amos, Kathleen T. Crago, Jocelyn Joseph, Wendy Benjamin, Ieva R. Politzer
Publikováno v:
Archives of Environmental Contamination and Toxicology. 20:371-374
Cyclodextrins form inclusion complexes with a wide range of guest molecules which wholly, or in part, fit into their hydrophobic cavity. Since no covalent bonds are formed in this complexation, the guests can subsequently be eluted. The possibility o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1f4098525c6f050ee4cb81412b174284
https://doi.org/10.1007/bf01064405
https://doi.org/10.1007/bf01064405
Autor:
Mayur Shah, Ieva R. Politzer, Theodore G. Pavlopoulos, Kannappan Thangaraj, Mou-Ling Soong, Joseph H. Boyer, Lionel T. Wolford
Publikováno v:
Heteroatom Chemistry. 1:389-399
Condensations between 3-X-2,4-dimethylpyrroles (X = H, CH3, C2H5, and CO2C2H5) and acyl chlorides gave derivatives of 3,5,3′,5′-tetramethylpyrromethene (isolated as their hydrochloride salts): 6-methyl, 6-ethyl, 4,4′,6-trimethyl, 4,4′-diethyl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fcc6339ecc174acf6ded16ec10230ff2
https://doi.org/10.1002/hc.520010507
https://doi.org/10.1002/hc.520010507
Autor:
Chun M. Lau, Kannappan Thangaraj, Govindarajulu Kumar, Vayalakkavoor T. Ramakrishnan, Edwin D. Stevens, Joseph H. Boyer, Ieva R. Politzer, Theodore G. Pavlopoulos
Publikováno v:
Heteroatom Chemistry. 1:195-209
The conversion of 3-methyl-4-benzyl-4-chloro-2-pyrazolin-5-one 10b was catalyzed by a mixture of potassium fluoride and alumina to give syn- (methyl,benzyl)bimane 6 (62%) without detectable formation of the anti isomer A6(a 1:1 mixture (87%) of the i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ee07d4fa75808542db2939c9cea54d68
https://doi.org/10.1002/hc.520010302
https://doi.org/10.1002/hc.520010302
Autor:
Albert I. Meyers, Ieva R. Politzer
Publikováno v:
Organic Syntheses
Aldehydes from 2-benzyl-4,4,6-trimethyl-5,6-dihydro-1,3(4H)-oxazine: 1-phenylcyclopentanecarboxaldehyde reactant: 21.7 g. (0.100 mole) of 2-benzyl-4,4,6-trimethyl-5,6-dihydro-1,3(4H)-oxazine reactant: 1,4-Dibromobutane (23.8 g., 0.110 mole) intermedi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5ef7df9c19f752f5f2462a20d3c3bdd3
https://doi.org/10.1002/0471264180.os051.07
https://doi.org/10.1002/0471264180.os051.07
Publikováno v:
Carcinogenesis. 12:1979-1979
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5565e54ef4d0169ae0d1be251ed6e4c
https://doi.org/10.1093/carcin/12.10.1979
https://doi.org/10.1093/carcin/12.10.1979
Publikováno v:
Optics Communications. 64:367-372
Under flashlamp excitation, we observed laser action from 9, 10-dioxa-μ-bis(carboethoxy) methylene- syn -(methylene,methyl) bimane at 507 nm and 9, 10-dioxa- syn -(acetoxymethyl,methyl) bimane at 514 nm. 9, 10-dioxa- syn -(fluoromethyl,methyl) biman
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::12a44864d16efeb5fdefd493bc0538bb
https://doi.org/10.1016/0030-4018(87)90253-7
https://doi.org/10.1016/0030-4018(87)90253-7
Publikováno v:
Annals of the New York Academy of Sciences. 367:478-492
This paper has presented the initial results of a computational study of the chlorinated ethylenes and their epoxides. Particular attention was devoted to those properties which may be related to the reactivities, and specifically carcinogenicities,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cc6dc576e26ea5a30bea66d83ec779a3
https://doi.org/10.1111/j.1749-6632.1981.tb50585.x
https://doi.org/10.1111/j.1749-6632.1981.tb50585.x
Publikováno v:
Biological Mass Spectrometry. 3:77-80
Excellent resolution and subsequent identification of free organic acids extracted from mixed, unstimulated human saliva was obtained by gas chromatography using high resolution open tubular glass capillary columns coupled with mass spectrometry comp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::701552a2c98509cc65daa75e7538c66c
https://doi.org/10.1002/bms.1200030207
https://doi.org/10.1002/bms.1200030207