crta
Hrvatska znanstvena Sekcija img
bibliografija
3 gif
 Naslovna
 O projektu
 FAQ
 Kontakt
4 gif
Pregledavanje radova
Jednostavno pretraživanje
Napredno pretraživanje
Skupni podaci
Upis novih radova
Upute
Ispravci prijavljenih radova
Ostale bibliografije
Slični projekti
 Bibliografske baze podataka

Pregled bibliografske jedinice broj: 433377

Ostalo

Autori: Basarić, Nikola; Horvat, Margareta; Mlinarić-Majerski, Kata; Görner, Helmut; Warzecha, Klaus-Dieter; Neudörfl, Jörg; G. Griesbeck, Axel
Naslov: Photo-initiated Domino Reactions of Adamantyl-phthalimides: Product Study and Investigation by Time-resolved Spectroscopy
Izvornik: Gordon Research Conference on Photochemistry, Bryant University, Smithfield, RI, U.S.A.
Vrsta: Poster
Godina: 2009
Ključne riječi: Phtalimides; H-abstraction; electron transfer
Sažetak:
Within the framework of developing sustainable technologies, chemists are obliged to find new environment-friendly production procedures. Domino reactions [1] initiated by photons appear to be particularly interesting in the context of green chemistry. However, not many examples of domino reactions initiated by photons are known. Recently we reported a novel photoinitiated domino process of N-(1-adamantyl)phthalimide (1) that gives rise to a methanoadamantane-benzazepine derivative via two consecutive photochemical hydrogen abstractions. [2] Herein we report an investigation of factors which determine the photochemical reactivity on the series of six N-(adamantyl)phthalimides, giving rise to the thermal and the photochemical domino processes. The investigated phthalimides undergo photochemical reactions on direct and sensitized irradiation and give rise to products that were isolated and characterized. The lowest triplet state of phthalimides was characterized in several solvents upon direct and acetone sensitized excitation. Electrochemical measurements showed that intramolecular electron transfer from the adamantyl group to the lowest triplet state of the phthalimides is not feasible. The formation of products can be explained by intramolecular H-abstraction from the (alkyl)adamantane to the excited phthalimide, either from the excited singlet state or a hidden upper excited triplet state.
Projekt / tema: 098-0982933-2911
Izvorni jezik: ENG
Znanstvena područja:
Kemija
Upisao u CROSBI: eluksa@irb.hr (eluksa@irb.hr), 10. Stu. 2009. u 12:06 sati



Verzija za printanje   za tiskati


upomoc
foot_4