- Interrupted aza-Wittig reactions using iminophosphoranes to synthesize 11C-carbonyls
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A direct CO2-fixation methodology couples structurally diverse iminophosphoranes with various nucleophiles to synthesize ureas, carbamates, thiocarbamates, and amides, and is amenable for 11C radiolabeling. This methodology is practical, as demonstrated by the synthesis of >35 products and isolation of the molecular imaging radiopharmaceuticals [11C]URB694 and [11C]glibenclamide. This journal is
- Ismailani, Uzair S.,Munch, Maxime,Mair, Braeden A.,Rotstein, Benjamin H.
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supporting information
p. 5266 - 5269
(2021/06/06)
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- Indium-Mediated Blaise-Type Reaction of Bromomalonates with Nitriles and Isocyanates
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The indium-mediated Blaise-type reaction of bromomalonates with nitriles and isocyanates is described. The choice of the solvent is crucial for the successful reaction; the dependency on dichloromethane proved to be nonplussed. The reaction with nitriles
- Babaoglu, Emre,Harms, Klaus,Hilt, Gerhard
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supporting information
p. 1820 - 1823
(2016/07/16)
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- The chemistry of 5-oxodihydroisoxazoles V: The photolysis of 2-phenylisoxazol-5(2H)-one ln alcohols
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Ethyl 5-oxo-2-phenyl-2,5-dihydroisoxazole-4-carboxylate (1) has been photolysed in methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, t-butyl alcohol, allyl alcohol and propargyl alcohol, and the products characterised. Two types of photo products are formed: methanetricarboxylic acid derivatives resulting from alcohol capture of the first formed ketene, and 2-alkoxy-3-phenylaminoacrylates, formed by capture, by the alcohol, of the imino-carbene arising from (1) by loss of carbon dioxide.
- Ang, Kiah H.,Prager, Rolf H.
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p. 9073 - 9084
(2007/10/02)
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- The Photolysis Of Ethyl 5-Oxo-2-Phenyl-2,5-Dihydroisoxazole-4-Carboxylate In Amines And Alcohols
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Ethyl 5-oxo-2-phenyl-2,5-dihydroisoxazole-4-carboxylate (1) has been photolysed at 300 nm in a variety of alcohols and amines.The products suggest two competing photolytic pathways: reversible photoisomerisation to a ketene, and a loss of carbon dioxide t
- Ang, Kiah H.,Prager, Rolf H.
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p. 2845 - 2846
(2007/10/02)
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