Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Christo Jossifov"'
Publikováno v:
Macromolecular Symposia. 212:555-562
Soluble poly(diphenylacetylene)s (PDA) capped with PhCO- groups (PDA-C) and Ph 2 C= groups (PDA-P) were prepared via McMurry reductive coupling of benzil and carbonyl-olefin exchange reaction of tetraphenylethene and benzil, respectively. Fluoren-9-y
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eaf02eff713bdd1d43f93f754b0d30ff
https://doi.org/10.1002/masy.200450872
https://doi.org/10.1002/masy.200450872
Autor:
Olga Ilieva, Christo Jossifov
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 190:235-239
For the first time, the conjugated dicarbonyl compound benzoquinone has been copolymerized with the strained cyclo-olefin norbornene using catalytic amounts of the Friedel-Crafts metathesis catalytic system WOCl 4 +AlCl 3 . All analyses reveal that t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3012a5660ca023eb0da950fcb24bfef2
https://doi.org/10.1016/s1381-1169(02)00249-2
https://doi.org/10.1016/s1381-1169(02)00249-2
Autor:
Christo Jossifov
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 135:263-267
A very simple one-pot synthesis of a copolymer consisting of conjugated fragments connected by aliphatic segments is presented. The copolymerization of terephthalaldehyde with norbornene proceeds under the influence of the binary system TiCl3+AlCl3.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae00ab3198e3e7ae137352ca3832c333
https://doi.org/10.1016/s1381-1169(98)00002-8
https://doi.org/10.1016/s1381-1169(98)00002-8
Autor:
Ileana Dragutan, Morgan Hans, Francois Nicks, Valerian Dragutan, Yannick Borguet, Christo Jossifov, Lionel Delaude, Quentin Willem, Dario Bicchielli, Albert Demonceau
Publikováno v:
ChemInform. 43
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3bc9d8c9a0cd8b2d400cd9416d41ac29
https://doi.org/10.1002/chin.201236219
https://doi.org/10.1002/chin.201236219
Autor:
Christo Jossifov
Publikováno v:
European Polymer Journal. 29:9-13
A mechanism is suggested for the reaction of 1,2,3,3-tetra-phenylprop-2-en-1-one (1) under the influence of some tungsten compounds containing WO or WC bonds. The processes involved in the polymerization of 1 are described as redistribution of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::efdaebefd9844b52b3dd345f00d64c59
https://doi.org/10.1016/0014-3057(93)90265-h
https://doi.org/10.1016/0014-3057(93)90265-h
Autor:
Lionel Delaude, Yannick Borguet, Radostina Kalinova, Ileana Dragutan, Xavier Sauvage, Francois Nicks, Valerian Dragutan, Albert Demonceau, Dario Bicchielli, Christo Jossifov
Publikováno v:
Green Metathesis Chemistry ISBN: 9789048134311
During the last decade or so, the emergence of the metathesis reaction in organic synthesis has revolutionised the strategies used for the construction of complex molecular structures. Olefin metathesis is indeed particularly suited for the construct
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1160bb2020f2911de16f4266693a313b
https://doi.org/10.1007/978-90-481-3433-5_15
https://doi.org/10.1007/978-90-481-3433-5_15
Autor:
Radostina Kalinova, Christo Jossifov
Publikováno v:
Green Metathesis Chemistry ISBN: 9789048134311
A new carbon—carbon double bond forming reaction (carbonyl olefin exchange reaction) mediated by transition metal catalytic systems has been discovered. The catalytic systems used (transition metal halides or oxohalides alone or in combination with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6cc5197262a7baedbcc6f7df212d5499
https://doi.org/10.1007/978-90-481-3433-5_19
https://doi.org/10.1007/978-90-481-3433-5_19
Publikováno v:
ChemInform. 40
The metathesis carbon-carbon bond forming reactions mediated by transition metal catalysts (all variants of olefin metathesis, metathesis and metathesis polymerization of alkynes, σ-bond metathesis, etc.) are powerful tools in organic synthesis. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2dbb78e43dbcf357c7b5b8ad57d9df4f
https://doi.org/10.1002/chin.200945253
https://doi.org/10.1002/chin.200945253
Autor:
Christo Jossifov, Ivan Schopov
Publikováno v:
Die Makromolekulare Chemie. 192:857-861
The influence of experimental conditions and the nature of the catalytic system on the yield of products insoluble in methanol from the carbonyl-olefin exchange reaction (COER) was investigated. It was established that the COER of some α, β-unsatur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99402fe352420092a709a69effc264c5
https://doi.org/10.1002/macp.1991.021920410
https://doi.org/10.1002/macp.1991.021920410
Autor:
Ivan Schopov, Christo Jossifov
Publikováno v:
Die Makromolekulare Chemie. 192:863-866
The processes which take place with the α,β-unsaturated compound 1,2,3,3-tetraphenyl-2-propen-1-one (1) under the influence of WCl6 were investigated. Special attention was paid to the low-molecular-weight products. It was established that beside p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::469e35877d367e66da4acae0043e8d6b
https://doi.org/10.1002/macp.1991.021920411
https://doi.org/10.1002/macp.1991.021920411