Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Alagappan Thenappan"'
Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry
Journal of Polymer Science Part A: Polymer Chemistry, Wiley, 2014, 52, pp.1714-1720. ⟨10.1002/pola.27172⟩
Journal of Polymer Science Part A: Polymer Chemistry, Wiley, 2014, 52, pp.1714-1720. ⟨10.1002/pola.27172⟩
The radical copolymerization of chlorotrifluoroethylene (CTFE) with 3,3,4,4-tetrafluoro-4-bromobut-1-ene (BTFB) initiated by tert-butylperoxypivalate is presented. The microstructures of the obtained copolymers are determined by means of NMR spectros
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::37b3f994666226fdae39e0d22afb9cde
https://doi.org/10.1002/pola.27172
https://doi.org/10.1002/pola.27172
Autor:
Chun Gao, Bruno Ameduri, Gérald Lopez, Peter L. Rinaldi, Linlin Li, Alagappan Thenappan, Faith J. Wyzgoski
Publikováno v:
Polymer Chemistry
Polymer Chemistry, Royal Society of Chemistry-RSC, 2015, 6, pp.3790-3799. ⟨10.1039/c5py00271k⟩
Polymer Chemistry, Royal Society of Chemistry-RSC, 2015, 6, pp.3790-3799. ⟨10.1039/c5py00271k⟩
International audience; The radical copolymerization of chlorotrifluoroethylene (CTFE) with vinylidene chloride (VDC) was investigated. A surfactant-free emulsion polymerization process was used to obtain poly(CTFE-co-VDC) copolymers of high molecula
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::79261b31577a1f82a10bd9638d4d82e6
https://hal.archives-ouvertes.fr/hal-01142700
https://hal.archives-ouvertes.fr/hal-01142700
Publikováno v:
ACS Macro Letters
ACS Macro Letters, Washington, D.C : American Chemical Society, 2014, 4, pp.16−20. ⟨10.1021/mz5006712⟩
ACS Macro Letters, Washington, D.C : American Chemical Society, 2014, 4, pp.16−20. ⟨10.1021/mz5006712⟩
Methods for the synthesis of CTFE-based block copolymers through iodine transfer polymerization are disclosed. In an exemplary embodiment, a method includes reacting a fluoromonomer "M" with a chain transfer agent of the formula X-Y or Y-X-Y, wherein
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::03464c91fb7caf61969f9419fc8c463d
https://hal.archives-ouvertes.fr/hal-01091808
https://hal.archives-ouvertes.fr/hal-01091808
Autor:
Donald J. Burton, Alagappan Thenappan
Publikováno v:
Journal of Fluorine Chemistry. 77:45-50
Fluorocarboethoxymethylene tri-n-butylphosphorane, Bu3P=CFCOOEt (3), reacts with per- and poly-fluoroalkyl-substituted carboxylic acid esters, ethyl formate and γ-butyrolactone to give the corresponding enol ethers, RFC (OEt)=CFCOOEt (4), in good yi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::25211662aa7fc328e1e41aee432b7121
https://doi.org/10.1016/0022-1139(95)03382-3
https://doi.org/10.1016/0022-1139(95)03382-3
Autor:
Alagappan Thenappan, Harry S. Tung, Timothy R. Demmin, G. V. Bindu Madhavan, Michael Van Der Puy
Publikováno v:
Journal of Fluorine Chemistry. 76:49-54
1,1,1 -Trichlorotrifluoroethane was added to ethylene using the catalyst system Fe/triethylphosphite, which eliminated the need for a solvent and avoided the corrosion problems inherent in CuCl-catalyzed reactions. The adduct, CF 3 CCl 2 CH 2 CH 2 Cl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4d20237b808962ef46cc94c5ec3a63c5
https://doi.org/10.1016/0022-1139(95)03326-2
https://doi.org/10.1016/0022-1139(95)03326-2
Publikováno v:
Phosphorus, Sulfur, and Silicon and the Related Elements. 105:205-212
Acylation of [(EtO)2P(O)CFCO2Et]−Li+ 1 with acid chlorides RC(O)Cl or phosgene ClC(O)Cl and subsequent reaction of the acylated phosphonate with organometallic reagents (R'M) provide unsymmetrical and symmetrical tetrasubstituted α-fluoro-α,β-un
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::357b9ffed4040ada80b5a20c29b0f404
https://doi.org/10.1080/10426509508042064
https://doi.org/10.1080/10426509508042064
Publikováno v:
The Journal of Organic Chemistry. 59:7085-7091
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f551ff6697e5be28cb2f7d56f8f3f9ef
https://doi.org/10.1021/jo00102a038
https://doi.org/10.1021/jo00102a038
Autor:
Donald J. Burton, Alagappan Thenappan
Publikováno v:
The Journal of Organic Chemistry. 56:273-277
(Fluorocarbethoxymethylene) tri-n-butylphosphorane (3) reacts with acid chlorides and anhydrides to form the corresponding carbon acylated phosphonium salts 4, and hydrolysis of 4 under mild basic conditions provides RCOCFHCOOEt (8) in moderate yield
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c90665bdc5c47f24fbe3a0791d5e5a3
https://doi.org/10.1021/jo00001a052
https://doi.org/10.1021/jo00001a052
Autor:
Donald J. Burton, Alagappan Thenappan
Publikováno v:
The Journal of Organic Chemistry. 55:4639-4642
A reduction-olefination sequence has been used to convert esters to α-fluoro α,β-unsaturated esters. In the presence of diisobutylaluminum hydride, esters are reduced to aldehydes that react in situ with [(EtO) 2 P(O)−CFC(O)OEt] − Li + to form
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::97d9889c9f6d368971e598531dda7822
https://doi.org/10.1021/jo00302a030
https://doi.org/10.1021/jo00302a030
Autor:
Donald J. Burton, Alagappan Thenappan
Publikováno v:
Journal of Fluorine Chemistry. 48:153-157
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3bca4b1f9fa5d78ee6462920615297d6
https://doi.org/10.1016/s0022-1139(00)82611-1
https://doi.org/10.1016/s0022-1139(00)82611-1