科研之友
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摘要
We report the synthesis of the hitherto unknown zwitterionic alkoxyamino cyanoboranes by reduction of O-alkyloximes with sodium cyanoborohydride; unprecedented cyanoboronated N-alkoxyformamidines were also isolated as by-products. Boronated alkoxyamines were found to be efficient cyanoborane transfer agents towards more basic amines, including amino-sugars; they were also successfully transformed into neoglycoconjugates by the neoglycorandomization reaction with reducing sugars.
- 出版日期2011
