- PURIFICATION TAGS OF SYNTHETIC PEPTIDES AND PROTEINS
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The present invention relates to a series of compounds useful for effecting purification, in particular for use in purification of synthetic peptides and proteins. The compounds of the invention are particularly efficient at securely anchoring peptides or
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Paragraph 0041; 0042
(2013/08/28)
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- Palladium-catalysed reactions of 8-hydroxy- and 8-benzyloxy-5,7- diiodoquinoline under aminocarbonylation conditions
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Various 5-carboxamido-7-iodo-8-benzyloxyquinolines were synthesised via selective aminocarbonylation of 5,7-diiodo-8-benzyloxyquinoline in the presence of 'in situ' generated palladium(0) catalysts. Under similar conditions (50 °C, 80 bar CO), 5,7-bis(N-tert-butyl-glyoxylamido)-8-hydroxyquinoline was obtained using tert-butylamine as N-nucleophile. The unprotected 5,7-diiodo-8-hydroxyquinoline underwent dehydroiodination resulting in 8-hydroxyquinoline as the major product.
- Takács, Attila,Szilágyi, Antal,ács, Péter,Márk, László,Peixoto, Andreia F.,Pereira, Mariette M.,Kollár, László
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experimental part
p. 2402 - 2406
(2011/04/26)
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