2002
DOI: 10.1016/s0040-4020(02)00756-1
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SET photochemistry of phthalimide anion and its reactivity with hydrogen donors

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Cited by 30 publications
(16 citation statements)
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“…[119] This procedure was further developed and could be extended to ethers, alkylbenzenes,a nd amines,t hereby affording addition products with phthalimide (Scheme 35). [120] Theu se of 4-methylanisole afforded ap roduct mixture (66.8 a-b), as H-atom abstraction is possible from the methoxy group or the benzylic position. In alkaline solution, phthalimide 64 is in equilibrium with its conjugate base 64 À .T he photoinduced electron transfer from *64 À to ground-state phthalimide is at hermodynamically favorable process.T hus,the authors propose the phthalimidyl radical 64C as the hydrogen atom abstracting intermediate,which evolves from the excited anion *64 À upon PET to phthalimide 64.…”
Section: Utilizing Phthalimide Anions For H-atom Abstractionmentioning
confidence: 99%
See 1 more Smart Citation
“…[119] This procedure was further developed and could be extended to ethers, alkylbenzenes,a nd amines,t hereby affording addition products with phthalimide (Scheme 35). [120] Theu se of 4-methylanisole afforded ap roduct mixture (66.8 a-b), as H-atom abstraction is possible from the methoxy group or the benzylic position. In alkaline solution, phthalimide 64 is in equilibrium with its conjugate base 64 À .T he photoinduced electron transfer from *64 À to ground-state phthalimide is at hermodynamically favorable process.T hus,the authors propose the phthalimidyl radical 64C as the hydrogen atom abstracting intermediate,which evolves from the excited anion *64 À upon PET to phthalimide 64.…”
Section: Utilizing Phthalimide Anions For H-atom Abstractionmentioning
confidence: 99%
“…This procedure was further developed and could be extended to ethers, alkylbenzenes, and amines, thereby affording addition products with phthalimide (Scheme 35). [120] The use of 4‐methylanisole afforded a product mixture ( 66.8 a – b ), as H‐atom abstraction is possible from the methoxy group or the benzylic position. In alkaline solution, phthalimide 64 is in equilibrium with its conjugate base 64 − .…”
Section: Excited Anionic Compounds As Reagentsmentioning
confidence: 99%
“…In den darauffolgenden Jahren wurde diese Methode weiterentwickelt und konnte auf Ether, Alkylbenzole und Amine ausgeweitet werden, wobei die Additionsprodukte des Phthalimids isoliert wurden (Schema 35). [120] Der Einsatz von 4‐Methylanisol führte zu einem Produktgemisch ( 66.8 a – b ) da die Abstraktion eines H‐Atoms sowohl an der Methoxygruppe als auch in benzylischer Position möglich ist. In alkalischer Lösung liegt Phthalimid 64 im Gleichgewicht mit der konjugierten Base 64 − vor.…”
Section: Angeregte Anionische Verbindungen Als Reagenzienunclassified
“…[119] In den darauffolgenden Jahren wurde diese Methode weiterentwickelt und konnte auf Ether, Alkylbenzole und Amine ausgeweitet werden, wobei die Additionsprodukte des Phthalimids isoliert wurden (Schema 35). [120] Der Einsatz von 4-Methylanisol führte zu einem Produktgemisch (66.8 a-b)da die Abstraktion eines H-Atoms sowohl an der Methoxygruppe als auch in benzylischer Position mçglich ist. In alkalischer Lçsung liegt Phthalimid 64 im Gleichgewicht mit der konjugierten Base 64 À vor.D er PET ausgehend vom angeregten *64 À auf Phthalimid im Grundzustand ist dabei ein thermodynamisch mçglicher Prozess.D ie Autoren schlagen daher das Phthalimid-Radikal 64C als das H-Atom-Transferreagenz vor, welches durch PET vom angeregten Anion *64 À auf das ungeladene Phthalimid 64 entsteht.…”
Section: Aufsätzeunclassified
“…With respect to the mechanism described in Scheme 1 , the authors suggest that t -BuOH (or Ph 3 CH) could act as H-atom donor that quenches the radical intermediate. However, this interpretation is opened to discussion because olefin functionalities also can undergo isomerization via anionic intermediates [ 35 ] and radicals usually abstract hydrogen atoms preferentially from the alkyl groups of t -BuOH [ 36 – 38 ]. Therefore t -BuOH could act as a proton donor and so prevent the olefin isomerization.…”
Section: Reviewmentioning
confidence: 99%