ORGLIST: Reduction of nitro with SnCl2

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From: Jonas Nilsson (jonni$##$ifm.liu.se)
Date: Tue Dec 12 2000 - 07:56:13 EST

Can anybody point me to where to find the mechanism for reduction of
aromatic nitrocompounds to anilines using SnCl2*2H2O in DMF?

I've got a byproduct doing this reduction looking very similar to the right
product on 1H-NMR (the aromatic protons are the only difference).

However mass spectra looks weird. I've got a intensitypattern of approx
this:

733 4
734 3
735 2
736 10
737 7
738 3
739 1

749 1
759 0.5
751 0.3
752 0.8
753 0.4
754 0.2

759 1
760 0.5
761 0.3

any ideas?
/jN
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