New Living Aromatizing Polymerization-Synthesis of Helical Poly(2,3-quinoxaline)s.
نویسندگان
چکیده
منابع مشابه
New and Efficient Rout for One Pot Synthesis of acenaphtho[1,2-b] quinoxalines
Acenaphtho derivatives have been reported as antitumor agents. So, the reaction of acenaphthylene-1,2-dione with 3,4-diaminobenzenethiol, and then with the alkyl chloride derivatives for the synthesis of acenaphtho [1,2-b] quinoxalines are reviewed. Excellent yields of the products, short reaction times and simple work-up are attractive features of this suitable protocol.
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در این تحقیق روشی جهت سنتز یک سری از کمپلکس های پلاتین (ii) حاوی لیگاند های دهنده ی فسفری شامل فسفیت و فسفین ارائه شده است. واکنش پیش ماده ی پلاتین (ii)،trans/cis- [ptcl2(sme2)2] ، با 2 اکی مولار از لیگاند p(oph)3در حلال بنزن کمپلکس1، cis-[ptcl2(p(oph)3)2] را تولید می نماید. جهت سنتز کمپلکس سایکلو متال فسفیتی، کمپلکس 1 با 1 اکی والان واکنشگر ptcl2 در حلال زایلن در شرایط رفلاکس زیر گاز آرگون م...
Gold-catalyzed oxidation of arylallenes: Synthesis of quinoxalines and benzimidazoles
A gold-catalyzed oxidation of arylallenes to form α-diketones and aldehydes in good yields is presented. Further directed synthesis of quinoxalines and benzimidazoles, via the condensation of the resulting α-diketones and aldehydes with benzene-1,2-diamine, was achieved in high yields.
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A facile synthetic route to prepare the dual-functional molecule, 2,5bis(40-carboxyphenyl)styrene, was developed. The esterification of this compound with chiral alcohols, that is, (S)-(þ)-sec-butanol/(R)-( )-sec-butanol, (S)-(þ)-secoctanol/(R)-( )-sec-octanol, and D-(þ)-menthol/L-( )-menthol, respectively, yielded three enantiomeric pairs of novel vinyl monomers, which underwent radical polyme...
متن کاملOne-pot synthesis of pyrrolo[1,2-a]quinoxalines.
A transition metal-free process for the regioselective synthesis of pyrrolo[1,2-a]quinoxalines under mild conditions in one-pot is described. The reaction afforded a variety of products in good to excellent yields. Indolo[1,2-a]quinoxalines were also synthesized from indole-2-carboxamides under the same conditions.
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ژورنال
عنوان ژورنال: Kobunshi
سال: 1995
ISSN: 0454-1138,2185-9825
DOI: 10.1295/kobunshi.44.431