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Versatile and mild: The first general method for the title transformation has been developed (see scheme; 2-F-Py=2-fluoropyridine; Tf=trifluorosulfonyl). The amines are synthesized in good yields and the ketimine intermediates can be isolated before the reduction. This method should find applications in the synthesis of nitrogen-containing bioactive molecules and medicinal agents. Detailed facts of importance to specialist readers are published as ”Supporting Information”. Such documents are peer-reviewed, but not copy-edited or typeset. They are made available as submitted by the authors. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
Xiao et al. (Fri,) studied this question.