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Statements

Subject Item
n2:RIV%2F00216224%3A14310%2F05%3A00012346%21RIV10-MSM-14310___
rdf:type
skos:Concept n19:Vysledek
dcterms:description
Synthesis and photochemistry of a photochemically removable protecting group for alcohols and phenols, based on the 2,5-dimethylphenacyl (DMP) chromophore, is described. DMP carbonates release the corresponding hydroxy group containing molecules in high isolated yields (>70%), with quantum yields = 0.1-0.2 in methanol and = 0.36-0.51 in cyclohexane. The reactions proceed predominantly by the triplet pathway via E-photoenols, the lifetimes of which of approximately 2 s or 3 ms in cyclohexane or methanol, respectively, were determined by laser flash photolysis. Synthesis and photochemistry of a photochemically removable protecting group for alcohols and phenols, based on the 2,5-dimethylphenacyl (DMP) chromophore, is described. DMP carbonates release the corresponding hydroxy group containing molecules in high isolated yields (>70%), with quantum yields = 0.1-0.2 in methanol and = 0.36-0.51 in cyclohexane. The reactions proceed predominantly by the triplet pathway via E-photoenols, the lifetimes of which of approximately 2 s or 3 ms in cyclohexane or methanol, respectively, were determined by laser flash photolysis.
dcterms:title
2,5-Dimethylphenacyl carbonates: A photoremovable protecting group for alcohols and phenols 2,5-Dimethylphenacyl carbonates: A photoremovable protecting group for alcohols and phenols
skos:prefLabel
2,5-Dimethylphenacyl carbonates: A photoremovable protecting group for alcohols and phenols 2,5-Dimethylphenacyl carbonates: A photoremovable protecting group for alcohols and phenols
skos:notation
RIV/00216224:14310/05:00012346!RIV10-MSM-14310___
n4:aktivita
n6:Z n6:P
n4:aktivity
P(GA203/05/0641), Z(MSM0021622413)
n4:cisloPeriodika
1
n4:dodaniDat
n11:2010
n4:domaciTvurceVysledku
n13:1626418 n13:9308695
n4:druhVysledku
n8:J
n4:duvernostUdaju
n15:S
n4:entitaPredkladatele
n18:predkladatel
n4:idSjednocenehoVysledku
552697
n4:idVysledku
RIV/00216224:14310/05:00012346
n4:jazykVysledku
n10:eng
n4:klicovaSlova
photochemistry; phenacyl; protecting group
n4:klicoveSlovo
n9:protecting%20group n9:phenacyl n9:photochemistry
n4:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n4:kontrolniKodProRIV
[7799F62882E3]
n4:nazevZdroje
Photochemical and Photobiological Sciences
n4:obor
n14:CC
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
3
n4:projekt
n16:GA203%2F05%2F0641
n4:rokUplatneniVysledku
n11:2005
n4:svazekPeriodika
4
n4:tvurceVysledku
Literák, Jaromír Wirz, Jakob Klán, Petr
n4:wos
000225889800005
n4:zamer
n12:MSM0021622413
s:issn
1474-905X
s:numberOfPages
4
n17:organizacniJednotka
14310