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Synthesis 2004(5): 671-674
DOI: 10.1055/s-2004-815982
DOI: 10.1055/s-2004-815982
PAPER
© Georg Thieme Verlag Stuttgart · New York
Alkaline Protease from Bacillus subtilis Catalyzed Michael Addition of Pyrimidine Derivatives to α,β-Ethylenic Compounds in Organic Media
Weitere Informationen
Received
17 November 2003
Publikationsdatum:
19. Februar 2004 (online)
Publikationsverlauf
Publikationsdatum:
19. Februar 2004 (online)
Abstract
Michael addition reactions of pyrimidine derivatives to α,β-ethylenic compounds were catalyzed by an alkaline protease from Bacillus subtilis in DMSO at 50 ºC. The structure of adducts were determined by IR, NMR and MS. The yields were from 20% to 84%.
Key words
enzymes - nucleobases - Michael additions - catalysis - alkaline protease
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