06-04-2017 дата публикации
Номер: US20170096438A1
Принадлежит:
The present invention relates to a method for preparing functionalized cyclosiloxanes of Formula I, 2. The method according to claim 1 , wherein in Formula II m+n=3 claim 1 , 4 claim 1 , 5 or 6.3. The method according to claim 1 , wherein in Formula II n is 1 and m is 3.4. The method according to claim 1 , wherein R is selected from the group consisting of H claim 1 , unsubstituted or substituted phenyl claim 1 , hydroxyalkyl and R′ being unsubstituted Calkyl.5. The method according to claim 1 , wherein R is selected from the group consisting of H claim 1 , unsubstituted or substituted phenyl claim 1 , —(CH)—OH claim 1 , —(CR′OH)—CH claim 1 , —(CH)—COOH and —COO(CH)CH claim 1 , with p being 0 or an integer from 1 to 10 claim 1 , and R′ being unsubstituted Calkyl.6. The method according to claim 1 , wherein the cyclosiloxane of Formula I is(i) 2,2,4,4,6,6,8-heptamethyl-8-(1-phenylvinyl)-cyclotetrasiloxane (3B);(ii) 2,2,4,4,6,6,8-heptamethyl-8-(2-phenylvinyl)-cyclotetrasiloxane (3A);(iii) ethyl 2-(2,4,4,6,6,8,8-heptamethyl-cyclotetrasiloxan-2-yl)acrylate (4B);(iv) ethyl 3-(2,4,4,6,6,8,8-heptamethyl-cyclotetrasiloxan-2-yl)prop-2-enoate (4A);(v) 4-(2,4,4,6,6,8,8-heptamethyl-cyclotetrasiloxan-2-yl)pent-4-en-1-ol (5B);(vi) 5-(2,4,4,6,6,8,8-heptamethyl-cyclotetrasiloxan-2-yl)pent-4-en-1-ol (5A);(vii) 3-(2,4,4,6,6,8,8-heptamethyl-cyclotetrasiloxan-2-yl)-2-methylbut-3-en-2-ol (6B);(viii) 4-(2,4,4,6,6,8,8-heptamethyl-cyclotetrasiloxan-2-yl)-2-methylbut-3-en-2-ol (6A);(ix) 4-(2,4,4,6,6,8,8-heptamethyl-cyclotetrasiloxan-2-yl)pent-4-enoic acid (7B);(x) 5-(2,4,4,6,6,8,8-heptamethyl-cyclotetrasiloxan-2-yl)pent-4-enoic acid (7A);(xi) 2,2,4,4,6,6,8-heptamethyl-8-(1-(4-(trifluoromethyl)phenyl)vinyl)-cyclotetrasiloxane (8B);(xii) 2,2,4,4,6,6,8-heptamethyl-8-(2-(4-(trifluoromethyl)phenyl)vinyl)-cyclotetrasiloxane (8A);(xiii) 2,4,6,8-tetramethyl-2,4,6,8-tetrakis(1-phenylvinyl)-cyclotetrasiloxane (9a);(xiv) (E/Z)-2,4,6,8-tetramethyl-2,4,6-tris(1-phenylvinyl)-8-styryl-cyclotetrasiloxane ( ...
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