Synthesis and spectral properties of fluorescent photochromic diarylethenes with 6,6a-dihydropentalene-2(1H)-one ethene “bridge” Научная публикация
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Dyes and Pigments
ISSN: 1873-3743 , E-ISSN: 0143-7208 |
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| Вых. Данные | Год: 2014, Том: 109, Страницы: 105-112 Страниц : 8 DOI: 10.1016/j.dyepig.2014.04.040 | ||
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Реферат:
An alternative synthetic strategy for the preparation of 6,6a-dihydropentalene-2(1H)-one derivatives comprising the stage of the regioselective α-bromination of cyclopentenone system has been proposed. The method along with the bromination process includes the alkylation of ethyl 4-aryl-3-oxobutanoate with bromocyclopentenones and intramolecular carbocyclization reaction of alkylated product. The cyclization reaction has been studied in detail and it was found that the yields of the main and side products depend strongly on alkali concentration, and the method can be also used to design 8,8a-dihydrocyclopenta[a]inden-2(1H)-one unit. The spectral properties of the compounds obtained have been studied, and it was found that pentalenone derivatives as well as starting cyclopentenones, exhibit photochromic properties; in addition, the former, unlike the latter, are also fluorescent.
Библиографическая ссылка:
Lonshakov D.V.
, Shirinian V.Z.
, Zavarzin I.V.
, Lvov A.G.
, Krayushkin M.M.
Synthesis and spectral properties of fluorescent photochromic diarylethenes with 6,6a-dihydropentalene-2(1H)-one ethene “bridge”
Dyes and Pigments. 2014. V.109. P.105-112. DOI: 10.1016/j.dyepig.2014.04.040 WOS Scopus OpenAlex
Synthesis and spectral properties of fluorescent photochromic diarylethenes with 6,6a-dihydropentalene-2(1H)-one ethene “bridge”
Dyes and Pigments. 2014. V.109. P.105-112. DOI: 10.1016/j.dyepig.2014.04.040 WOS Scopus OpenAlex
Идентификаторы БД:
| ≡ Web of science: | WOS:000339695400013 |
| ≡ Scopus: | 2-s2.0-84901841048 |
| ≡ OpenAlex: | W2033628235 |