Zobrazeno 1 - 10 of 14 pro vyhledávání: '"Abraham Deshe"'
1
Functional macrocyclic polysulfones via aminomethylpolysulfone
Autor: Abraham Warshawsky, Rina Arad-Yellin, Abraham Deshe, Nava Kahana
Publikováno v: Journal of Polymer Science Part A: Polymer Chemistry. 28:3303-3315
Amidoalkylation of polysulfone (PS) with N-chloromethylphthalimide (CMPi) to polymer 2/2a (PiPs), followed by hydrazinolysis of PiPs in CHCl3 with neat N2H4 + H2O (RT 3 days) to aminomethylpolysulfone (3, AMPS). Condensation of AMPS with 4-chlorosulf
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d1fffc8540388caed749474e2bd99b7e
https://doi.org/10.1002/pola.1990.080281210
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2
Halomethylated polysulfone: Reactive intermediates to neutral and ionic film-forming polymers
Autor: Abraham Deshe, Nava Kahana, Abraham Warshawsky, Hugo E. Gottlieb, Rina Arad-Yellin
Publikováno v: Journal of Polymer Science Part A: Polymer Chemistry. 28:2885-2905
Halomethylation of polysulfone (PS) with C8H17OCH2X (X = Cl, Br) in the presence of SnX4 (X = Cl, Br) led to PS–CH2X (X = Cl or Br or both) (Scheme 1). Under controlled conditions, PS–CH2X could be isolated and retains the good film forming prope
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c139ef58a5de346397f131da558008b9
https://doi.org/10.1002/pola.1990.080281101
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4
ChemInform Abstract: Bifunctional Chelating Agents. Part 3. 4,5-Bis(di(carboxymethyl)amino)-N-(aminoalkyl)valeramide, an EDTA with an Amine Functionality and Amide-Type Linker Arm
Autor: Meir Wilchek, N. Shoef, Abraham Deshe, Rina Arad-Yellin, Abraham Warshawsky, Hugo E. Gottlieb, Janina Altman, Nava Kahana
Publikováno v: ChemInform. 21
Synthesis of bifunctional EDTA compounds with an Iµ-amino functionality linked through an amidoalkyl linker group derived from the previously described 4,5-diaminovaleric acid. Protection of the vicinal diamine with Boc groups and chain extension wi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7d5cc1e1c2e671299c31bf0a42ad84c7
https://doi.org/10.1002/chin.199004091
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5
Structural transformations during chloromethylation of flexible polystyrene networks
Autor: Raya Glozman, S. Belfer, Abraham Deshe, Abraham Warshawsky
Publikováno v: Journal of Applied Polymer Science. 25:2241-2263
Strong morphologic variations were noted in the chloromethylation of styrene copolymers incorporating TAT or DVB as crosslinking agents. In the first case control over the chloromethylation conditoins (solvent, temperature, time) can be applied in or
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c2b0de5442b7dae2ef411c9876503143
https://doi.org/10.1002/app.1980.070251012
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7
Synthesis of polymeric crown ethers and thermoregulated ion complexation effects
Autor: Abraham Warshawsky, Abraham Deshe, Nava Kahana
Publikováno v: Journal of Polymer Science: Polymer Chemistry Edition. 23:231-253
The alkylation of catechol with (chloromethyl)styrene–divinylbenzene copolymer 1 produces the polymer-bound catechol 2, which upon reaction with a series of polyglycol dihalides affords macrocyclic polymeric benzo crown ethers 3, in fair yields. Th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e915eeba4e4c280d7c0e8d03fe4990ef
https://doi.org/10.1002/pol.1985.170230123
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8
Safe halomethylation of aromatic polymers via BCME-free long chain haloalkylethers
Autor: Abraham Warshawsky, Abraham Deshe, Rodika Gutman
Publikováno v: British Polymer Journal. 16:234-238
Synthese d'ethers halomethylalkyles a chaine longue sans bis-chloromethylether et leur application comme agents d'halomethylation
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1d4dea3553e0fcf13efe9a83b8568c51
https://doi.org/10.1002/pi.4980160415
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9
Functionalization of polysterene. II synthesis of chelating polymers by alkylation of 4-aminomethylpolystyrene
Autor: Guy Rossey, Abraham Warshawsky, Abraham Patchornik, Abraham Deshe
Publikováno v: Reactive Polymers, Ion Exchangers, Sorbents. 2:301-314
A synthetic strategy to obtain chelating polymers via a one-step functionalization of selected macromolecular networks, such as macroporous styrene-divinylbenzene copolymers, is presented. The conversion of chloromethylpolystyrene to aminomethylpolys
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7ae3318a6c04589d37565d36f359c9d5
https://doi.org/10.1016/0167-6989(84)90096-5
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10
Transition Metal-Chelating Phase Transfer Agents from 3,4-Disubstituted Benzylhalides
Autor: Abraham Warshawsky, Abraham Deshe, Yehiel Shai
Publikováno v: Israel Journal of Chemistry. 26:48-55
A unified approach to the synthesis of chelating phase transfer agents which uses attachment of various side-chains to a single chelating molecular precursor (such as 2-acetyl-4-chloromethyl phenol, 4-chloromethyl salicylaldehyde, 5-chloromethyl-8-hy
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d337499e4c03c7ee363f4934d84b3d1f
https://doi.org/10.1002/ijch.198500067
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