Synthesis of chitobioses with different N-protecting groups (ePub)
(Sprache: Englisch)
Diploma Thesis from the year 2007 in the subject Chemistry - Organic Chemistry, grade: 2,1, University of Potsdam, language: English, abstract: The use of four different N-protected derivatives of 2-amino-2-deoxy-Dglucose
as donors and acceptors in...
as donors and acceptors in...
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Diploma Thesis from the year 2007 in the subject Chemistry - Organic Chemistry, grade: 2,1, University of Potsdam, language: English, abstract: The use of four different N-protected derivatives of 2-amino-2-deoxy-Dglucose
as donors and acceptors in glycosylation reactions were described in this work. It was formed the N-benzyloxycarbonyl (Cbz), N-pnitrobenzyloxycarbonyl (PNZ), N-phthalimido (Phth) and Ntetrachlorophthalimido (TCP) protecting glycosides. These were transformed into trichloroacetimidates as glycosyl donors. With the same N-protecting groups were syntheses also the 4-O-unprotected glycosyl acceptors in a one-pot reaction.
The glycosylation reactions were performed in the presence of BF3·Et3O as the
catalyst. The reactions with the chosen donors and acceptors furnished b(1-4)-
linked disaccharides in good yields.[...]
as donors and acceptors in glycosylation reactions were described in this work. It was formed the N-benzyloxycarbonyl (Cbz), N-pnitrobenzyloxycarbonyl (PNZ), N-phthalimido (Phth) and Ntetrachlorophthalimido (TCP) protecting glycosides. These were transformed into trichloroacetimidates as glycosyl donors. With the same N-protecting groups were syntheses also the 4-O-unprotected glycosyl acceptors in a one-pot reaction.
The glycosylation reactions were performed in the presence of BF3·Et3O as the
catalyst. The reactions with the chosen donors and acceptors furnished b(1-4)-
linked disaccharides in good yields.[...]
Bibliographische Angaben
- Autor: Gerit Brüning
- 2008, 1. Auflage, 81 Seiten, Englisch
- Verlag: GRIN Verlag
- ISBN-10: 3640138309
- ISBN-13: 9783640138302
- Erscheinungsdatum: 14.08.2008
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Englisch
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