Zobrazeno 1 - 10
of 112
pro vyhledávání: '"Shouji Iwatsuki"'
Publikováno v:
Journal of Polymer Science Part C: Polymer Symposia. 23:753-759
The microstructure of the copolymer of butadiene with maleic anhydride has been shown by IR spectra to be rich in cis-1,4 structure (about 70% at 60°C.), whereas the butadiene homopolymer by radical mechanism is rich in trans-1,4 structure. The copo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::031fae8c18b4e4c9262e9ef54db157cd
https://doi.org/10.1002/polc.5070230230
https://doi.org/10.1002/polc.5070230230
Publikováno v:
Designed Monomers and Polymers. 2:311-324
7,8-Bis(benzyloxycarbonyl)-7,8-dicyanoquinodimethane (1d) was prepared successfully as isolable crystals at room temperature and determined to have an anti-form by 1H-NMR spectroscopy. When 1d was dissolved in basic polar solvents such as acetonitril
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::23ddeff187486fa4b2ebc931f5cf144b
https://doi.org/10.1163/156855599x00115
https://doi.org/10.1163/156855599x00115
Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry. 36:1929-1936
1,4-Dicarbonyl-1,4-dihydronaphthalene (1) was synthesized by the dehydrochlorination reaction of 1,4-dihydronaphthalene-1,4-dicarbonyl chloride with triethylamine and obtained as its very dilute solution, but it easily polymerized in the concentratio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::200fbdcb0ba93d4c04a763540f4130ec
https://doi.org/10.1002/(sici)1099-0518(199808)36:11<1929::aid-pola28>3.0.co
https://doi.org/10.1002/(sici)1099-0518(199808)36:11<1929::aid-pola28>3.0.co
Autor:
Takeshi Hishida, Takahito Itoh, Masataka Kubo, Nobuaki Kamei, Hiroyuki Okuno, Shouji Iwatsuki, Akira Inokuchi, T. Sato
Publikováno v:
Tetrahedron. 53:15247-15261
Attempts were made to prepare novel 7-alkoxycarbonyl-7,8,8-tricyanoquinodimethanes (ethoxy(5a), isopropoxy(5b), and tert-butoxy(6c)), 7,7-bis(alkoxycarbonyl)-8,8-dicyanoquinodimethanes (ethoxy(6a), isopropoxy(6b), and tert-butoxy(6c)), and 1-(2,2-dim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2b13e5689b98777ca15f8ea597dec84b
https://doi.org/10.1016/s0040-4020(97)00961-7
https://doi.org/10.1016/s0040-4020(97)00961-7
Autor:
Takahito Itoh, Shouji Iwatsuki
Publikováno v:
Macromolecular Chemistry and Physics. 198:1997-2016
This article describes the polymerization behavior of electron-accepting substituted quinodimethanes. Chlorine-substituted quinodimethanes (la-c) behave differently depending on the number of chlorine substituents. Strong electron-accepting substitut
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0f751afc4ee660ecda47e0341314e1cb
https://doi.org/10.1002/macp.1997.021980701
https://doi.org/10.1002/macp.1997.021980701
Publikováno v:
Polymer Bulletin. 37:155-160
Titanium-induced dicarbonyl-coupling reaction of 5-hexyloxybenzo[c]thiophene-1,3-dicarbaldehyde (9) was carried out to obtain poly(5-hexyloxybenzo[c]thiophene-1,3-diylvinylene) (10), which was characterized by 1H NMR, IR, UV-vis, and elemental analys
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a97c0fe09f5016e2d77bcc025788379
https://doi.org/10.1007/bf00294116
https://doi.org/10.1007/bf00294116
Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry. 34:963-969
7,7-Bis(methoxycarbonyl)-, 7,7-bis(ethoxycarbonyl)-, and 7,7-bis(isopropoxycarbonyl)-1,4-benzoquinone methides (4a, 4b, and 4c) were successfully prepared as pure, isolable yellow-orange needles. The values of the first reduction potential for 4a, 4b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1566827c77f153afbc2ba125dfbb6f70
https://doi.org/10.1002/(sici)1099-0518(19960430)34:6<963::aid-pola5>3.0.co
https://doi.org/10.1002/(sici)1099-0518(19960430)34:6<963::aid-pola5>3.0.co
Publikováno v:
Macromolecules. 28:8363-8367
The Wittig reactions of 2,5-bis(dodecyloxy)-p-xylylenebis(triphenylphosphonium bromide) (6c) with thiophene-2,5-dicarbaldehyde (1a), selenophene-2,5-dicarbaldehyde (1b), tellurophene-2,5-dicarbaldehyde (1c), and benzo[c]thiophene-1,3-dicarbaldehyde (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7ccadea24b28d4cb02b5ec9b6203e7f6
https://doi.org/10.1021/ma00128a053
https://doi.org/10.1021/ma00128a053
Publikováno v:
Polymer Bulletin. 35:615-619
Vapor deposition polymerization of 1,9-bis(trimethylsilyloxy)[2.2]paracyclophane (Me3SiO-PC) was carried out to obtain poly(7-trimethylsilyloxy-p-xylylene) (Me3SiO-PPX) as a colorless tough film. The Me3SiO-PPX film was successfully converted to poly
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fbf98fb0b055ea158858c9344cc3f390
https://doi.org/10.1007/bf00324116
https://doi.org/10.1007/bf00324116
Publikováno v:
Polymer Bulletin. 35:307-313
The polymerizations of three nitrogen-containing heterophanes such as [2.2](2,5)pyridinophane (1), [2.2](2,5)pyrazinophane (2) and N, N′-dimethyl-[2.2](2,5)pyrrolophane (3) by the vapor deposition method were carried out. Compounds1, 2 and3 gave po
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0436d8f98f667f25c5926431eb12aa4a
https://doi.org/10.1007/bf00963128
https://doi.org/10.1007/bf00963128