Aromatic nitro compounds are readily reduced by SnCl 2 , 2 H 2 O in alcohol or ethyl acetate or by anhydrous SnCl 2 in alcohol where other reducible or acid sensitive groups such as aldehyde, ketone, ester, cyano, halogen and O-benzyl remain unaffected. ... J. Org. Chem., 47 (1982), p. 3577 and references cited therein. ... J. Chem. Soc. (1936), p. 1614 describe anhydrous SnCl 2 in a 1 : 1 mixture of acetic anhydride;acetic acid as “a gentle, but effective cold ...